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Air quality by city: measured PM2.5 averages

Measured annual averages from the WHO Ambient Air Quality Database. The WHO guideline is 5 µg/m³.

Updated October 2026Methodology
PlacePM2.5Level
1Maui United States2 µg/m³ 2021Meets the WHO guideline
2Kiruna Sweden2.6 µg/m³ 2022Meets the WHO guideline
3Algarve Portugal2.9 µg/m³ 2024Meets the WHO guideline
4Faro Portugal2.9 µg/m³ 2024Meets the WHO guideline
5Honolulu United States3 µg/m³ 2021Meets the WHO guideline
6Nassau Bahamas3.2 µg/m³ 2020Meets the WHO guideline
7Prince Edward Island Canada4 µg/m³ 2023Meets the WHO guideline
8Uppsala Sweden4 µg/m³ 2020Meets the WHO guideline
9Tallinn Estonia4 µg/m³ 2022Meets the WHO guideline
10Edinburgh United Kingdom4.8 µg/m³ 2021Meets the WHO guideline
11Hobart Australia4.9 µg/m³ 2024Meets the WHO guideline
12Punta Arenas Chile5 µg/m³ 2019Meets the WHO guideline
13Stockholm Sweden5 µg/m³ 2021Meets the WHO guideline
14Trondheim Norway5 µg/m³ 2021Meets the WHO guideline
15Tampere Finland5 µg/m³ 2021Meets the WHO guideline
16Reykjavik Iceland5 µg/m³ 2020Meets the WHO guideline
17Vilnius Lithuania5 µg/m³ 2022Meets the WHO guideline
18Gran Canaria Spain5 µg/m³ 2013Meets the WHO guideline
19Madeira Portugal5 µg/m³ 2020Meets the WHO guideline
20Wellington New Zealand5 µg/m³ 2023Meets the WHO guideline
21Jackson Hole United States5 µg/m³ 2021Meets the WHO guideline
22Anchorage United States5 µg/m³ 2021Meets the WHO guideline
23Whistler Canada5 µg/m³ 2023Meets the WHO guideline
24Tartu Estonia5.3 µg/m³ 2025Fairly clean
25Glasgow United Kingdom5.3 µg/m³ 2021Fairly clean
26Boulder United States5.3 µg/m³ 2022Fairly clean
27Sunshine Coast Australia5.5 µg/m³ 2023Fairly clean
28Magnetic Island Australia5.6 µg/m³ 2024Fairly clean
29Gold Coast Australia5.6 µg/m³ 2024Fairly clean
30Cairns Australia5.8 µg/m³ 2024Fairly clean
31Portland United States5.8 µg/m³ 2022Fairly clean
32Fremantle Australia5.9 µg/m³ 2024Fairly clean
33Edmonton Canada6 µg/m³ 2020Fairly clean
34Poreč Croatia6 µg/m³ 2024Fairly clean
35Gothenburg Sweden6 µg/m³ 2020Fairly clean
36Bergen Norway6 µg/m³ 2021Fairly clean
37Stavanger Norway6 µg/m³ 2020Fairly clean
38Helsinki Finland6 µg/m³ 2021Fairly clean
39Monaco Monaco6 µg/m³ 2021Fairly clean
40Adelaide Australia6 µg/m³ 2019Fairly clean
41Auckland New Zealand6 µg/m³ 2021Fairly clean
42Denver United States6 µg/m³ 2022Fairly clean
43Vancouver Canada6 µg/m³ 2023Fairly clean
44Victoria Canada6 µg/m³ 2023Fairly clean
45Halifax Canada6 µg/m³ 2020Fairly clean
46Scottish Highlands United Kingdom6.1 µg/m³ 2013Fairly clean
47Seattle United States6.1 µg/m³ 2022Fairly clean
48Launceston Australia6.2 µg/m³ 2024Fairly clean
49Miami United States6.2 µg/m³ 2022Fairly clean
50Miami Beach United States6.2 µg/m³ 2022Fairly clean
51Okinawa Japan6.3 µg/m³ 2019Fairly clean
52Washington, D.C. United States6.3 µg/m³ 2022Fairly clean
53Silver Coast Portugal6.4 µg/m³ 2024Fairly clean
54Tromsø Norway6.4 µg/m³ 2017Fairly clean
55Boston United States6.4 µg/m³ 2022Fairly clean
56Minneapolis United States6.4 µg/m³ 2022Fairly clean
57Visby Sweden6.6 µg/m³ 2021Fairly clean
58Asheville United States6.6 µg/m³ 2022Fairly clean
59Orlando United States6.7 µg/m³ 2022Fairly clean
60Zell am See Austria6.8 µg/m³ 2024Fairly clean
61Groningen Netherlands7 µg/m³ 2020Fairly clean
62Black Forest Germany7 µg/m³ 2021Fairly clean
63Heidelberg Germany7 µg/m³ 2024Fairly clean
64Freiburg Germany7 µg/m³ 2021Fairly clean
65Cork Ireland7 µg/m³ 2021Fairly clean
66Killarney Ireland7 µg/m³ 2024Fairly clean
67Montpellier France7 µg/m³ 2021Fairly clean
68Lanzarote Spain7 µg/m³ 2021Fairly clean
69Perth Australia7 µg/m³ 2019Fairly clean
70Toronto Canada7 µg/m³ 2020Fairly clean
71Montreal Canada7 µg/m³ 2020Fairly clean
72Calgary Canada7 µg/m³ 2020Fairly clean
73Oxford United Kingdom7.1 µg/m³ 2021Fairly clean
74Newcastle United Kingdom7.1 µg/m³ 2021Fairly clean
75New York City United States7.1 µg/m³ 2022Fairly clean
76Bar Montenegro7.2 µg/m³ 2024Fairly clean
77Dubrovnik Croatia7.2 µg/m³ 2024Fairly clean
78Philadelphia United States7.2 µg/m³ 2022Fairly clean
79Tampa United States7.2 µg/m³ 2022Fairly clean
80St. Petersburg United States7.2 µg/m³ 2022Fairly clean
81Sendai Japan7.3 µg/m³ 2019Fairly clean
82Charleston United States7.3 µg/m³ 2022Fairly clean
83Belfast United Kingdom7.4 µg/m³ 2021Fairly clean
84Sintra Portugal7.4 µg/m³ 2024Fairly clean
85Cascais Portugal7.4 µg/m³ 2024Fairly clean
86Azores Portugal7.4 µg/m³ 2024Fairly clean
87Rothenburg ob der Tauber Germany7.5 µg/m³ 2024Fairly clean
88Cornwall United Kingdom7.5 µg/m³ 2021Fairly clean
89Rotorua New Zealand7.5 µg/m³ 2023Fairly clean
90Salt Lake City United States7.5 µg/m³ 2022Fairly clean
91Opatija Croatia7.6 µg/m³ 2021Fairly clean
92Rijeka Croatia7.6 µg/m³ 2022Fairly clean
93Cotonou Benin7.7 µg/m³ 2020Fairly clean
94Nashville United States7.7 µg/m³ 2022Fairly clean
95Detroit United States7.9 µg/m³ 2022Fairly clean
96Charlotte United States7.9 µg/m³ 2022Fairly clean
97Sapporo Japan7.9 µg/m³ 2022Fairly clean
98High Tatras Slovakia7.9 µg/m³ 2024Fairly clean
99Birmingham United Kingdom7.9 µg/m³ 2021Fairly clean
100Benidorm Spain7.9 µg/m³ 2013Fairly clean
101Melbourne Australia7.9 µg/m³ 2024Fairly clean
102Phoenix United States7.9 µg/m³ 2022Fairly clean
103Costa del Sol Spain8 µg/m³ 2021Fairly clean
104Innsbruck Austria8 µg/m³ 2021Fairly clean
105Aarhus Denmark8 µg/m³ 2020Fairly clean
106Sofia Bulgaria8 µg/m³ 2021Fairly clean
107Dublin Ireland8 µg/m³ 2021Fairly clean
108Málaga Spain8 µg/m³ 2021Fairly clean
109Las Palmas Spain8 µg/m³ 2021Fairly clean
110Salamanca Spain8 µg/m³ 2021Fairly clean
111Torremolinos Spain8 µg/m³ 2021Fairly clean
112Porto Portugal8 µg/m³ 2018Fairly clean
113Kingston Jamaica8 µg/m³ 2021Fairly clean
114Brisbane Australia8 µg/m³ 2019Fairly clean
115Cuenca Ecuador8 µg/m³ 2020Fairly clean
116Scottsdale United States8 µg/m³ 2021Fairly clean
117Niagara Falls Canada8 µg/m³ 2023Fairly clean
118Quebec City Canada8 µg/m³ 2023Fairly clean
119York United Kingdom8.1 µg/m³ 2021Fairly clean
120Suva Fiji8.1 µg/m³ 2015Fairly clean
121Pittsburgh United States8.1 µg/m³ 2022Fairly clean
122New Orleans United States8.2 µg/m³ 2022Fairly clean
123San Diego United States8.2 µg/m³ 2022Fairly clean
124Bristol United Kingdom8.3 µg/m³ 2021Fairly clean
125Leeds United Kingdom8.3 µg/m³ 2021Fairly clean
126Memphis United States8.4 µg/m³ 2022Fairly clean
127Cardiff United Kingdom8.5 µg/m³ 2021Fairly clean
128Cádiz Spain8.5 µg/m³ 2024Fairly clean
129Atlanta United States8.5 µg/m³ 2022Fairly clean
130Dallas United States8.5 µg/m³ 2022Fairly clean
131Liverpool United Kingdom8.6 µg/m³ 2019Fairly clean
132Tangier Morocco8.7 µg/m³ 2024Fairly clean
133Gozo Malta8.7 µg/m³ 2024Fairly clean
134Chicago United States8.7 µg/m³ 2022Fairly clean
135Limerick Ireland8.8 µg/m³ 2022Fairly clean
136Manchester United Kingdom8.8 µg/m³ 2021Fairly clean
137Provence France9 µg/m³ 2021Fairly clean
138Munich Germany9 µg/m³ 2021Fairly clean
139Leipzig Germany9 µg/m³ 2021Fairly clean
140Stuttgart Germany9 µg/m³ 2021Fairly clean
141Luxembourg City Luxembourg9 µg/m³ 2020Fairly clean
142Bern Switzerland9 µg/m³ 2021Fairly clean
143Lausanne Switzerland9 µg/m³ 2021Fairly clean
144Salzburg Austria9 µg/m³ 2021Fairly clean
145Malmö Sweden9 µg/m³ 2020Fairly clean
146Oslo Norway9 µg/m³ 2021Fairly clean
147Aix-en-Provence France9 µg/m³ 2021Fairly clean
148Tenerife Spain9 µg/m³ 2021Fairly clean
149Santiago de Compostela Spain9 µg/m³ 2021Fairly clean
150Lisbon Portugal9 µg/m³ 2020Fairly clean
151Cinque Terre Italy9 µg/m³ 2021Fairly clean
152Darwin Australia9 µg/m³ 2019Fairly clean
153Taupo New Zealand9 µg/m³ 2023Fairly clean
154Austin United States9 µg/m³ 2021Fairly clean
155San Antonio United States9 µg/m³ 2022Fairly clean
156Ottawa Canada9 µg/m³ 2023Fairly clean
157Osaka Japan9.4 µg/m³ 2022Fairly clean
158Nagoya Japan9.4 µg/m³ 2022Fairly clean
159Klaipėda Lithuania9.5 µg/m³ 2024Fairly clean
160Split Croatia9.6 µg/m³ 2023Fairly clean
161Bath United Kingdom9.7 µg/m³ 2020Fairly clean
162Las Vegas United States9.7 µg/m³ 2022Fairly clean
163Toledo Spain9.8 µg/m³ 2024Fairly clean
164Trogir Croatia9.9 µg/m³ 2024Fairly clean
165Kelowna Canada10 µg/m³ 2023Fairly clean
166Vlorë Albania10 µg/m³ 2019Fairly clean
167Oradea Romania10 µg/m³ 2021Fairly clean
168Calabria Italy10 µg/m³ 2021Fairly clean
169Costa Blanca Spain10 µg/m³ 2013Fairly clean
170French Riviera France10 µg/m³ 2021Fairly clean
171Normandy France10 µg/m³ 2021Fairly clean
172Brittany France10 µg/m³ 2021Fairly clean
173Kep Cambodia10 µg/m³ 2021Fairly clean
174Hamburg Germany10 µg/m³ 2021Fairly clean
175Frankfurt Germany10 µg/m³ 2021Fairly clean
176Cologne Germany10 µg/m³ 2021Fairly clean
177Düsseldorf Germany10 µg/m³ 2021Fairly clean
178Bremen Germany10 µg/m³ 2021Fairly clean
179Bruges Belgium10 µg/m³ 2020Fairly clean
180Zurich Switzerland10 µg/m³ 2021Fairly clean
181Geneva Switzerland10 µg/m³ 2021Fairly clean
182Lucerne Switzerland10 µg/m³ 2021Fairly clean
183Sibiu Romania10 µg/m³ 2021Fairly clean
184Nice France10 µg/m³ 2021Fairly clean
185Bordeaux France10 µg/m³ 2021Fairly clean
186Annecy France10 µg/m³ 2021Fairly clean
187Toulouse France10 µg/m³ 2021Fairly clean
188Loire Valley France10 µg/m³ 2021Fairly clean
189Avignon France10 µg/m³ 2021Fairly clean
190Antibes France10 µg/m³ 2021Fairly clean
191Nantes France10 µg/m³ 2021Fairly clean
192Madrid Spain10 µg/m³ 2021Fairly clean
193Bilbao Spain10 µg/m³ 2021Fairly clean
194Alicante Spain10 µg/m³ 2013Fairly clean
195Fuerteventura Spain10 µg/m³ 2021Fairly clean
196Syracuse Italy10 µg/m³ 2021Fairly clean
197Queenstown New Zealand10 µg/m³ 2023Fairly clean
198Christchurch New Zealand10 µg/m³ 2012Fairly clean
199Buenos Aires Argentina10.1 µg/m³ 2014Moderate
200Lake Maggiore Italy10.2 µg/m³ 2024Moderate
201Lhasa China10.3 µg/m³ 2024Moderate
202Piran Slovenia10.3 µg/m³ 2024Moderate
203Los Angeles United States10.5 µg/m³ 2022Moderate
204Palma Spain10.6 µg/m³ 2010Moderate
205Mombasa Kenya10.8 µg/m³ 2019Moderate
206Tokyo Japan10.8 µg/m³ 2019Moderate
207Kyoto Japan10.8 µg/m³ 2019Moderate
208Asunción Paraguay10.8 µg/m³ 2024Moderate
209Golden Sands Bulgaria10.9 µg/m³ 2025Moderate
210Yokohama Japan10.9 µg/m³ 2019Moderate
211Kamakura Japan10.9 µg/m³ 2019Moderate
212Varna Bulgaria10.9 µg/m³ 2025Moderate
213Maribor Slovenia11 µg/m³ 2020Moderate
214Umbria Italy11 µg/m³ 2021Moderate
215Rabat Morocco11 µg/m³ 2024Moderate
216Hiroshima Japan11 µg/m³ 2010Moderate
217Kobe Japan11 µg/m³ 2010Moderate
218Shangri-La China11 µg/m³ 2019Moderate
219Dresden Germany11 µg/m³ 2021Moderate
220Ghent Belgium11 µg/m³ 2020Moderate
221Antwerp Belgium11 µg/m³ 2020Moderate
222Leuven Belgium11 µg/m³ 2021Moderate
223Basel Switzerland11 µg/m³ 2021Moderate
224Lugano Switzerland11 µg/m³ 2021Moderate
225Vienna Austria11 µg/m³ 2021Moderate
226London United Kingdom11 µg/m³ 2019Moderate
227Lyon France11 µg/m³ 2021Moderate
228Marseille France11 µg/m³ 2021Moderate
229Strasbourg France11 µg/m³ 2021Moderate
230Seville Spain11 µg/m³ 2021Moderate
231Valencia Spain11 µg/m³ 2021Moderate
232Genoa Italy11 µg/m³ 2021Moderate
233Crete Greece11 µg/m³ 2025Moderate
234Guanajuato Mexico11 µg/m³ 2018Moderate
235Sydney Australia11 µg/m³ 2019Moderate
236Newcastle Australia11 µg/m³ 2019Moderate
237Rio de Janeiro Brazil11 µg/m³ 2015Moderate
238Jardín Colombia11.1 µg/m³ 2021Moderate
239Houston United States11.1 µg/m³ 2022Moderate
240Maspalomas Spain11.3 µg/m³ 2024Moderate
241Sanya China11.4 µg/m³ 2024Moderate
242Chania Greece11.4 µg/m³ 2025Moderate
243Kyiv Ukraine11.6 µg/m³ 2024Moderate
244Valletta Malta11.6 µg/m³ 2024Moderate
245St. Julian's Malta11.6 µg/m³ 2024Moderate
246Sliema Malta11.6 µg/m³ 2024Moderate
247Brighton United Kingdom11.8 µg/m³ 2021Moderate
248Jimbaran Indonesia11.9 µg/m³ 2021Moderate
249Bali Indonesia11.9 µg/m³ 2021Moderate
250Ubud Indonesia11.9 µg/m³ 2021Moderate
251Canggu Indonesia11.9 µg/m³ 2021Moderate
252Seminyak Indonesia11.9 µg/m³ 2021Moderate
253Kuta Indonesia11.9 µg/m³ 2021Moderate
254Nusa Dua Indonesia11.9 µg/m³ 2021Moderate
255Sanur Indonesia11.9 µg/m³ 2021Moderate
256Tuscany Italy12 µg/m³ 2021Moderate
257Singapore Singapore12 µg/m³ 2021Moderate
258Nuremberg Germany12 µg/m³ 2021Moderate
259Copenhagen Denmark12 µg/m³ 2015Moderate
260Cluj-Napoca Romania12 µg/m³ 2021Moderate
261Constanța Romania12 µg/m³ 2021Moderate
262Barcelona Spain12 µg/m³ 2021Moderate
263Córdoba Spain12 µg/m³ 2021Moderate
264Rome Italy12 µg/m³ 2021Moderate
265Florence Italy12 µg/m³ 2021Moderate
266Puglia Italy12 µg/m³ 2021Moderate
267Bari Italy12 µg/m³ 2021Moderate
268Gibraltar Gibraltar12 µg/m³ 2019Moderate
269San Miguel de Allende Mexico12 µg/m³ 2018Moderate
270Montevideo Uruguay12 µg/m³ 2018Moderate
271Manado Indonesia12.1 µg/m³ 2021Moderate
272Fes Morocco12.4 µg/m³ 2024Moderate
273San Jose United States12.5 µg/m³ 2022Moderate
274Durrës Albania12.6 µg/m³ 2024Moderate
275Marbella Spain12.6 µg/m³ 2020Moderate
276San Juan Puerto Rico12.6 µg/m³ 2018Moderate
277Fukuoka Japan12.7 µg/m³ 2019Moderate
278Gdansk Poland12.7 µg/m³ 2024Moderate
279Amalfi Coast Italy12.8 µg/m³ 2024Moderate
280Abruzzo Italy13 µg/m³ 2021Moderate
281Udon Thani Thailand13 µg/m³ 2021Moderate
282Kampot Cambodia13 µg/m³ 2021Moderate
283Berlin Germany13 µg/m³ 2021Moderate
284Utrecht Netherlands13 µg/m³ 2013Moderate
285Bratislava Slovakia13 µg/m³ 2021Moderate
286Mostar Bosnia and Herzegovina13 µg/m³ 2024Moderate
287Paris France13 µg/m³ 2021Moderate
288Lille France13 µg/m³ 2021Moderate
289Granada Spain13 µg/m³ 2021Moderate
290Sicily Italy13 µg/m³ 2021Moderate
291Pisa Italy13 µg/m³ 2021Moderate
292Palermo Italy13 µg/m³ 2021Moderate
293Catania Italy13 µg/m³ 2021Moderate
294Lecce Italy13 µg/m³ 2021Moderate
295Larnaca Cyprus13 µg/m³ 2016Moderate
296Querétaro Mexico13 µg/m³ 2018Moderate
297Santa Marta Colombia13 µg/m³ 2018Moderate
298Manali India13 µg/m³ 2021Moderate
299Nairobi Kenya13.1 µg/m³ 2021Moderate
300Sardinia Italy13.1 µg/m³ 2024Moderate
301Cagliari Italy13.1 µg/m³ 2024Moderate
302Meteora Greece13.1 µg/m³ 2025Moderate
303Murcia Spain13.2 µg/m³ 2024Moderate
304Kaunas Lithuania13.3 µg/m³ 2024Moderate
305Port of Spain Trinidad and Tobago13.4 µg/m³ 2019Moderate
306Lijiang China13.7 µg/m³ 2024Moderate
307Valparaíso Chile13.7 µg/m³ 2019Moderate
308Hue Vietnam13.8 µg/m³ 2020Moderate
309Biarritz France13.8 µg/m³ 2010Moderate
310Tobago Trinidad and Tobago13.8 µg/m³ 2022Moderate
311Paphos Cyprus13.9 µg/m³ 2024Moderate
312La Serena Chile14 µg/m³ 2019Moderate
313Naoshima Japan14 µg/m³ 2019Moderate
314Port Elizabeth South Africa14 µg/m³ 2021Moderate
315The Hague Netherlands14 µg/m³ 2013Moderate
316Riga Latvia14 µg/m³ 2021Moderate
317Budapest Hungary14 µg/m³ 2020Moderate
318Brașov Romania14 µg/m³ 2021Moderate
319Timișoara Romania14 µg/m³ 2021Moderate
320Minsk Belarus14 µg/m³ 2024Moderate
321Moscow Russia14 µg/m³ 2016Moderate
322Nicosia Cyprus14 µg/m³ 2021Moderate
323Guatemala City Guatemala14 µg/m³ 2019Moderate
324Panama City Panama14 µg/m³ 2013Moderate
325Canberra Australia14 µg/m³ 2019Moderate
326Viña del Mar Chile14 µg/m³ 2019Moderate
327Kagoshima Japan14.3 µg/m³ 2019Moderate
328Zakopane Poland14.3 µg/m³ 2024Moderate
329Veliko Tarnovo Bulgaria14.3 µg/m³ 2024Moderate
330Agadir Morocco14.6 µg/m³ 2024Moderate
331Mérida Mexico14.6 µg/m³ 2015Moderate
332Iași Romania14.7 µg/m³ 2024Moderate
333Lake Como Italy14.8 µg/m³ 2024Moderate
334Rimini Italy15 µg/m³ 2021Moderate
335Kota Kinabalu Malaysia15 µg/m³ 2012Moderate
336Amsterdam Netherlands15 µg/m³ 2013Moderate
337Rotterdam Netherlands15 µg/m³ 2013Moderate
338Graz Austria15 µg/m³ 2021Moderate
339Torun Poland15 µg/m³ 2020Moderate
340Pécs Hungary15 µg/m³ 2020Moderate
341Bucharest Romania15 µg/m³ 2021Moderate
342Naples Italy15 µg/m³ 2021Moderate
343Bologna Italy15 µg/m³ 2021Moderate
344Cuernavaca Mexico15.3 µg/m³ 2022Polluted
345Montego Bay Jamaica15.3 µg/m³ 2021Polluted
346Lublin Poland15.5 µg/m³ 2024Polluted
347Poznan Poland15.8 µg/m³ 2024Polluted
348Can Tho Vietnam16 µg/m³ 2020Polluted
349Warsaw Poland16 µg/m³ 2020Polluted
350Wroclaw Poland16 µg/m³ 2020Polluted
351Brno Czech Republic16 µg/m³ 2021Polluted
352Ljubljana Slovenia16 µg/m³ 2020Polluted
353Zagreb Croatia16 µg/m³ 2020Polluted
354Limassol Cyprus16 µg/m³ 2024Polluted
355Bogotá Colombia16 µg/m³ 2021Polluted
356Haifa Israel16 µg/m³ 2021Polluted
357Morelia Mexico16.4 µg/m³ 2020Polluted
358Tirana Albania16.6 µg/m³ 2013Polluted
359Durban South Africa17 µg/m³ 2021Polluted
360Phuket Thailand17 µg/m³ 2021Polluted
361Patong Thailand17 µg/m³ 2021Polluted
362Kanchanaburi Thailand17 µg/m³ 2021Polluted
363Hat Yai Thailand17 µg/m³ 2021Polluted
364Kata Beach Thailand17 µg/m³ 2021Polluted
365Rawai Thailand17 µg/m³ 2021Polluted
366Eindhoven Netherlands17 µg/m³ 2010Polluted
367Lodz Poland17 µg/m³ 2020Polluted
368Plovdiv Bulgaria17 µg/m³ 2021Polluted
369São Paulo Brazil17 µg/m³ 2019Polluted
370Barranquilla Colombia17 µg/m³ 2018Polluted
371Jerusalem Israel17 µg/m³ 2021Polluted
372Shenzhen China17.3 µg/m³ 2024Polluted
373Dali China17.6 µg/m³ 2019Polluted
374Antalya Turkey17.9 µg/m³ 2023Polluted
375Prague Czech Republic18 µg/m³ 2013Polluted
376Košice Slovakia18 µg/m³ 2021Polluted
377Quito Ecuador18 µg/m³ 2013Polluted
378Lake Garda Italy18.4 µg/m³ 2024Polluted
379Xiamen China18.8 µg/m³ 2024Polluted
380Ohrid North Macedonia18.8 µg/m³ 2025Polluted
381Phnom Penh Cambodia19 µg/m³ 2021Polluted
382Sihanoukville Cambodia19 µg/m³ 2021Polluted
383Bergamo Italy19 µg/m³ 2021Polluted
384Puebla Mexico19 µg/m³ 2018Polluted
385Beirut Lebanon19 µg/m³ 2016Polluted
386Jeju South Korea19.1 µg/m³ 2019Polluted
387Seogwipo South Korea19.1 µg/m³ 2019Polluted
388Kunming China19.6 µg/m³ 2024Polluted
389Casablanca Morocco19.8 µg/m³ 2024Polluted
390Cannes France19.9 µg/m³ 2010Polluted
391Tabriz Iran20 µg/m³ 2020Polluted
392Brussels Belgium20 µg/m³ 2010Polluted
393Milan Italy20 µg/m³ 2021Polluted
394Verona Italy20 µg/m³ 2021Polluted
395Turin Italy20 µg/m³ 2021Polluted
396Thessaloniki Greece20 µg/m³ 2021Polluted
397Tijuana Mexico20 µg/m³ 2018Polluted
398Medellín Colombia20 µg/m³ 2020Polluted
399Pondicherry India20 µg/m³ 2021Polluted
400Mysore India20 µg/m³ 2021Polluted
401Almaty Kazakhstan20 µg/m³ 2024Polluted
402Tbilisi Georgia20 µg/m³ 2017Polluted
403Addis Ababa Ethiopia20.5 µg/m³ 2019Polluted
404Cartagena Colombia20.6 µg/m³ 2016Polluted
405Villa de Leyva Colombia20.6 µg/m³ 2019Polluted
406Huangshan China20.7 µg/m³ 2024Polluted
407Ajman United Arab Emirates21 µg/m³ 2021Polluted
408Penang Malaysia21 µg/m³ 2019Polluted
409Busan South Korea21 µg/m³ 2019Polluted
410Guangzhou China21.1 µg/m³ 2024Polluted
411Belgrade Serbia21.3 µg/m³ 2024Polluted
412Algiers Algeria21.5 µg/m³ 2019Polluted
413Katowice Poland22 µg/m³ 2020Polluted
414Makati Philippines22 µg/m³ 2016Polluted
415Krakow Poland22 µg/m³ 2020Polluted
416Venice Italy22 µg/m³ 2021Polluted
417Mexico City Mexico22 µg/m³ 2016Polluted
418Oaxaca Mexico22 µg/m³ 2018Polluted
419Dharamshala India22 µg/m³ 2021Polluted
420Shimla India22 µg/m³ 2021Polluted
421Bishkek Kyrgyzstan22 µg/m³ 2024Polluted
422Ashgabat Turkmenistan22.1 µg/m³ 2019Polluted
423Lima Peru22.2 µg/m³ 2024Polluted
424Johannesburg South Africa22.7 µg/m³ 2018Polluted
425Incheon South Korea22.7 µg/m³ 2019Polluted
426Daegu South Korea22.9 µg/m³ 2019Polluted
427Skopje North Macedonia22.9 µg/m³ 2025Polluted
428BGC Philippines23 µg/m³ 2016Polluted
429Bangkok Thailand23 µg/m³ 2021Polluted
430Monterrey Mexico23 µg/m³ 2018Polluted
431Cali Colombia23 µg/m³ 2018Polluted
432Bhaktapur Nepal23 µg/m³ 2019Polluted
433Tel Aviv Israel23 µg/m³ 2019Polluted
434San Salvador El Salvador23.3 µg/m³ 2024Polluted
435Colombo Sri Lanka23.6 µg/m³ 2019Polluted
436Trabzon Turkey24 µg/m³ 2020Polluted
437Izmir Turkey24.2 µg/m³ 2023Polluted
438Yellowknife Canada25 µg/m³ 2023Polluted
439Madurai India25 µg/m³ 2021Polluted
440Malacca Malaysia25 µg/m³ 2019Polluted
441Guadalajara Mexico25 µg/m³ 2018Polluted
442Santiago Chile25 µg/m³ 2019Polluted
443Shiraz Iran25 µg/m³ 2020Polluted
444Ankara Turkey25.3 µg/m³ 2025Very polluted
445Seoul South Korea25.4 µg/m³ 2019Very polluted
446Vientiane Laos25.8 µg/m³ 2019Very polluted
447Jeonju South Korea26 µg/m³ 2019Very polluted
448Goa India26 µg/m³ 2021Very polluted
449Chennai India26 µg/m³ 2021Very polluted
450Chiang Mai Thailand26.5 µg/m³ 2021Very polluted
451Qingdao China26.7 µg/m³ 2024Very polluted
452Guilin China26.9 µg/m³ 2024Very polluted
453Lagos Nigeria27 µg/m³ 2010Very polluted
454Ho Chi Minh City Vietnam27 µg/m³ 2019Very polluted
455Puerto Varas Chile27 µg/m³ 2016Very polluted
456Yangon Myanmar28 µg/m³ 2021Very polluted
457Darjeeling India28 µg/m³ 2020Very polluted
458Kuala Lumpur Malaysia28.3 µg/m³ 2019Very polluted
459Shanghai China28.4 µg/m³ 2024Very polluted
460Nanjing China28.5 µg/m³ 2024Very polluted
461Manila Philippines29 µg/m³ 2016Very polluted
462San José Costa Rica29 µg/m³ 2020Very polluted
463Amman Jordan29 µg/m³ 2021Very polluted
464Yazd Iran29 µg/m³ 2020Very polluted
465Mashhad Iran29 µg/m³ 2020Very polluted
466Fujairah United Arab Emirates29.2 µg/m³ 2024Very polluted
467Sharjah United Arab Emirates29.4 µg/m³ 2024Very polluted
468Zhangjiajie China29.6 µg/m³ 2024Very polluted
469Isfahan Iran29.9 µg/m³ 2016Very polluted
470Khon Kaen Thailand30 µg/m³ 2021Very polluted
471Kochi India30 µg/m³ 2021Very polluted
472Belo Horizonte Brazil30.1 µg/m³ 2024Very polluted
473Hangzhou China30.2 µg/m³ 2024Very polluted
474Zlatibor Serbia30.5 µg/m³ 2024Very polluted
475Beijing China31 µg/m³ 2024Very polluted
476Bangalore India31 µg/m³ 2021Very polluted
477Tehran Iran31 µg/m³ 2020Very polluted
478Antananarivo Madagascar32 µg/m³ 2020Very polluted
479Chiang Rai Thailand32 µg/m³ 2021Very polluted
480Chengdu China32 µg/m³ 2024Very polluted
481Banja Luka Bosnia and Herzegovina32.3 µg/m³ 2024Very polluted
482Islamabad Pakistan32.3 µg/m³ 2020Very polluted
483Bandung Indonesia33 µg/m³ 2014Very polluted
484Chongqing China33.2 µg/m³ 2024Very polluted
485Suzhou China33.2 µg/m³ 2024Very polluted
486Jakarta Indonesia33.8 µg/m³ 2021Very polluted
487Kovalam India35 µg/m³ 2016Very polluted
488Battambang Cambodia35 µg/m³ 2021Very polluted
489Havana Cuba35 µg/m³ 2015Very polluted
490Wuhan China35.8 µg/m³ 2024Severely polluted
491Pokhara Nepal36.1 µg/m³ 2020Severely polluted
492Patan Nepal37 µg/m³ 2020Severely polluted
493Siem Reap Cambodia37 µg/m³ 2021Severely polluted
494Kathmandu Nepal37 µg/m³ 2020Severely polluted
495Marrakech Morocco38 µg/m³ 2024Severely polluted
496Doha Qatar38 µg/m³ 2021Severely polluted
497Tianjin China38.4 µg/m³ 2024Severely polluted
498Mecca Saudi Arabia38.4 µg/m³ 2022Severely polluted
499Hyderabad India39 µg/m³ 2021Severely polluted
500Changsha China39.2 µg/m³ 2024Severely polluted
501Harbin China40.3 µg/m³ 2024Severely polluted
502Riyadh Saudi Arabia41.6 µg/m³ 2022Severely polluted
503Dakar Senegal42 µg/m³ 2018Severely polluted
504Tashkent Uzbekistan42 µg/m³ 2019Severely polluted
505Gaziantep Turkey43.1 µg/m³ 2023Severely polluted
506Abu Dhabi United Arab Emirates43.7 µg/m³ 2022Severely polluted
507Xi'an China44 µg/m³ 2024Severely polluted
508Karachi Pakistan44.3 µg/m³ 2019Severely polluted
509Medina Saudi Arabia44.5 µg/m³ 2022Severely polluted
510Pushkar India45 µg/m³ 2021Severely polluted
511Pune India45 µg/m³ 2021Severely polluted
512Ahmedabad India46 µg/m³ 2021Severely polluted
513Kuwait City Kuwait47 µg/m³ 2019Severely polluted
514Pereira Colombia47.7 µg/m³ 2021Severely polluted
515Hanoi Vietnam47.9 µg/m³ 2016Severely polluted
516Kolkata India48 µg/m³ 2021Severely polluted
517Dammam Saudi Arabia48.2 µg/m³ 2022Severely polluted
518Baghdad Iraq48.5 µg/m³ 2021Severely polluted
519Manama Bahrain49 µg/m³ 2019Severely polluted
520Mumbai India49.5 µg/m³ 2021Severely polluted
521Istanbul Turkey50.5 µg/m³ 2025Severely polluted
522Dubai United Arab Emirates50.8 µg/m³ 2022Severely polluted
523Amritsar India51 µg/m³ 2021Severely polluted
524Bodh Gaya India52 µg/m³ 2021Severely polluted
525Udaipur India55 µg/m³ 2021Severely polluted
526Santo Domingo Dominican Republic56 µg/m³ 2021Severely polluted
527Jaipur India58 µg/m³ 2021Severely polluted
528Ulaanbaatar Mongolia60 µg/m³ 2019Severely polluted
529Varanasi India60 µg/m³ 2021Severely polluted
530Astana Kazakhstan60 µg/m³ 2024Severely polluted
531Kampala Uganda60.1 µg/m³ 2019Severely polluted
532Sosúa Dominican Republic66 µg/m³ 2021Severely polluted
533Puerto Plata Dominican Republic66 µg/m³ 2021Severely polluted
534Dushanbe Tajikistan71.5 µg/m³ 2019Severely polluted
535Jodhpur India75 µg/m³ 2021Severely polluted
536Agra India85 µg/m³ 2021Severely polluted
537Dhaka Bangladesh86 µg/m³ 2019Severely polluted
538Kashgar China90.2 µg/m³ 2019Severely polluted
539Delhi India107 µg/m³ 2021Severely polluted
540Srinagar India113 µg/m³ 2016Severely polluted
541Kabul Afghanistan119.8 µg/m³ 2019Severely polluted
542Gurgaon India120 µg/m³ 2016Severely polluted
543Lahore Pakistan124 µg/m³ 2019Severely polluted
544Aswan Egypt313 µg/m³ 2016Severely polluted