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2020 World air quality report
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Rank | City | 2020 AVG | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | 2019 AVG | 2018 AVG | 2017 AVG |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
351 | ![]() Santa Barbara, USA | 10 | 7 | 9.1 | 4.3 | 6.3 | 7.5 | 7.1 | 9.3 | 14.1 | 20.7 | 18.7 | 8.9 | 6.6 | 8.4 | 8.7 | - |
352 | ![]() Thousand Oaks, USA | 10 | 7.5 | 8.4 | 3.7 | 5.9 | 7.1 | 8.7 | 9.8 | 14.2 | 19.2 | 19.7 | 8.8 | 6 | 8.2 | 9.4 | 9.2 |
353 | ![]() Apple Valley, USA | 9.9 | 10.5 | 7.7 | 4.6 | 6.1 | 5.2 | 7.3 | 6.2 | 13.8 | 19.9 | 15.2 | 9.2 | 10.6 | 7 | - | - |
354 | ![]() Banning, USA | 9.9 | 7.6 | 8 | 5.2 | 7 | 9.8 | 10.9 | 10.7 | 13.3 | 16.4 | 14.1 | 7.7 | 7.7 | 9.6 | 11 | 12 |
355 | ![]() Berkeley, USA | 9.9 | 6.4 | 8.1 | 4.4 | 4 | 4 | 5.7 | 6.6 | 15.8 | 29.1 | 14.6 | 9.6 | 11 | 7.1 | - | - |
356 | ![]() Corte Madera, USA | 9.9 | 6.3 | 7.1 | 4.7 | 3.8 | 3.4 | 3.9 | 5.8 | 15.5 | 30.2 | 15.1 | 7.9 | 11.5 | 6.1 | - | - |
357 | ![]() Fillmore, USA | 9.9 | 5.7 | 6.2 | 3.6 | 5.7 | 6.5 | 8.2 | 10.1 | 15 | 20.9 | 19.9 | 7.4 | 5.7 | 7.6 | 9.9 | 8.4 |
358 | ![]() Hollister, USA | 9.9 | 7.2 | 7.7 | 4.7 | 4.5 | 4.4 | 5.1 | 7.1 | 21.4 | 23.3 | 16.1 | 7.4 | 9.4 | 5.6 | 7.3 | 5.6 |
359 | ![]() Oak View, USA | 9.9 | 5.6 | 7.4 | 4.5 | 5.7 | 6.3 | 7.9 | 8.3 | 13.3 | 18.9 | 19.3 | 8.6 | 8.1 | 7.9 | - | - |
360 | ![]() San Carlos, USA | 9.9 | 5.8 | 7.4 | 4.3 | 3 | 2.8 | 3.2 | 5.3 | 18.1 | 28.8 | 15 | 9.4 | 10.5 | 6.2 | - | - |
361 | ![]() San Mateo, USA | 9.9 | 5.5 | 6.8 | 4.3 | 3.5 | 3.2 | 3.2 | 4.9 | 23.5 | 27.1 | 14.6 | 9 | 11.1 | 6 | - | - |
362 | ![]() Saratoga, USA | 9.9 | 5.7 | 7.1 | 4.4 | 3.6 | 3.1 | 4 | 6.4 | 22.4 | 27.5 | 15.6 | 7.2 | 7.9 | 5.9 | - | - |
363 | ![]() Sausalito, USA | 9.9 | 6.3 | 7.3 | 5 | 4.3 | 4.5 | 4.7 | 6.2 | 12.8 | 29.5 | 14.3 | 7.8 | 12.5 | 6.5 | - | - |
364 | ![]() Victorville, USA | 9.9 | 11.1 | 8.1 | 4.5 | 5.9 | 6.2 | 7.7 | 7 | 13.4 | 19.3 | 14.3 | 9.8 | 10.6 | 7.3 | - | - |
365 | ![]() Lancaster, USA | 9.8 | 7 | 6.4 | 4 | 5.1 | 4.5 | 6 | 6.1 | 19.6 | 25.3 | 17.1 | 7.6 | 8.3 | 5.7 | 7.3 | 8.6 |
366 | ![]() Tiburon, USA | 9.8 | 6.4 | 7.5 | 4.6 | 3.8 | 3.5 | 4 | 5.8 | 14.8 | 28.7 | 14.2 | 8.2 | 12.6 | 6.4 | - | - |
367 | ![]() Trinidad, USA | 9.8 | 8.4 | 7.9 | 6.2 | 6.3 | 4.9 | 6.2 | 6.6 | 8.9 | 27 | 13.8 | 8.4 | 10.8 | 6.7 | - | - |
368 | ![]() Westmorland, USA | 9.8 | 16.6 | 11.2 | 4.7 | 5.8 | 9.4 | 11.1 | 9.3 | 9.3 | 12.4 | 12.1 | 7.8 | 8.2 | - | - | - |
369 | ![]() Wrightwood, USA | 9.8 | 11.4 | 7.5 | 6.1 | 4.2 | 3.4 | 4.4 | 4.1 | 11.6 | 18.8 | 10.6 | 11.9 | 18.4 | - | - | - |
370 | ![]() Burlingame, USA | 9.7 | 6.1 | 7.2 | 4.6 | 3.2 | 3 | 3.2 | 4.6 | 16.8 | 28.9 | 14 | 9.5 | 11.1 | 6.2 | - | - |
371 | ![]() Kensington, USA | 9.7 | 5.9 | 7.8 | 4.8 | 3.7 | 3.6 | 4.4 | 6.5 | 15.1 | 27.6 | 15 | 9.3 | 10.1 | 6.7 | - | - |
372 | ![]() Woodacre, USA | 9.7 | 4.8 | 5.5 | 3.8 | 3 | 2 | 2.3 | 3.7 | 22.2 | 29.8 | 15.3 | 7.4 | 10 | 4.7 | - | - |
373 | ![]() San Francisco, USA | 9.6 | 7.1 | 8.1 | 4.7 | 4.1 | 4.2 | 4.8 | 6.1 | 12.7 | 26.5 | 14.4 | 9 | 13.9 | 7.1 | 12.6 | 10 |
374 | ![]() Barstow, USA | 9.5 | 8.5 | 7.4 | 4.2 | 5.7 | 5.3 | 10.3 | 6.7 | 16.4 | 23.1 | 15.2 | 5.6 | 4.3 | 6.7 | - | - |
375 | ![]() Belmont, USA | 9.5 | 5.7 | 6.8 | 3.9 | 3 | 2.9 | 3.7 | 5.1 | 18.2 | 28.3 | 14.4 | 8.8 | 11.4 | 5.9 | - | - |
376 | ![]() Emerald Hills, USA | 9.5 | 4.8 | 6.6 | 4.8 | 3.1 | 2.7 | 3.2 | 4.9 | 18.1 | 26.3 | 13.3 | 9.2 | 9.8 | 5.9 | - | - |
377 | ![]() San Bruno, USA | 9.5 | 5.5 | 6.9 | 4.3 | 3.5 | 3.4 | 3.7 | 5.3 | 15.9 | 28.6 | 13.1 | 8.6 | 11.3 | 5.8 | - | - |
378 | ![]() Winchester, USA | 9.5 | 7.5 | 7.3 | 4.9 | 7.4 | 9.7 | 9.9 | 10.2 | 12.7 | 16.2 | 14.2 | 8 | 6.3 | 7.8 | 7.4 | 10.2 |
379 | ![]() Calipatria, USA | 9.4 | 6.6 | 7.6 | 5.8 | 6.7 | 9.1 | 10.7 | 10 | 11.1 | 11.7 | 12.3 | 8.8 | 10 | 6.5 | - | - |
380 | ![]() Cayucos, USA | 9.4 | 6.7 | 7.4 | 4.4 | 4.4 | 5.2 | 4.5 | 6.2 | 14.3 | 21.1 | 14.3 | 10.5 | 8.7 | 5.9 | - | - |
381 | ![]() Crestline, USA | 9.4 | 8.5 | 6.7 | 4.9 | 6.7 | 9.8 | 9.7 | 9.3 | 13.4 | 16.3 | 11.4 | 8.6 | 6.4 | 8.2 | 9.3 | 11.4 |
382 | ![]() Cupertino, USA | 9.4 | 3.9 | 6.5 | 3.7 | 3 | 3 | 3.9 | 6.1 | 20.9 | 27 | 15.7 | 7.5 | 7.6 | 5.6 | - | - |
383 | ![]() Keeler, USA | 9.4 | 4.8 | 5.6 | 4.2 | 4.5 | 5.2 | 6.8 | 6.3 | 15.4 | 29.8 | 19.5 | 5.3 | 4.7 | 4.7 | 7.1 | 8.1 |
384 | ![]() Lake Arrowhead, USA | 9.4 | 7 | 6.9 | 6.3 | 8.1 | 7.8 | 7.7 | 6.6 | 14 | 18.3 | 13.3 | 6.1 | 5.6 | 7.6 | - | - |
385 | ![]() Palmdale, USA | 9.4 | 5.1 | 5.7 | 3.6 | 5.2 | 4.2 | 6.2 | 5.6 | 18.8 | 27 | 17 | 5 | 4.9 | 5.5 | - | - |
386 | ![]() Portola Valley, USA | 9.4 | 3.6 | 5.9 | 3.8 | 2.9 | 2.7 | 3.8 | 5.4 | 24.8 | 27.3 | 13 | 6.4 | 6.6 | 5.2 | - | - |
387 | ![]() Oxnard, USA | 9.3 | 5.1 | 6.2 | 3.5 | 5.6 | 7.3 | 6.7 | 8.4 | 12.6 | 19.5 | 17.8 | 10.8 | 7.2 | 7.2 | 8.7 | 9.5 |
388 | ![]() Santa Maria, USA | 9.3 | 5 | 6.5 | 4.4 | 5.2 | 6.1 | 6.7 | 8.5 | 15.5 | 21.9 | 15.8 | 8.4 | 7.1 | 6.5 | 7.1 | 7.5 |
389 | ![]() Goleta, USA | 9.2 | 4.4 | 7.2 | 4.3 | 5.4 | 6.3 | 6.8 | 8.8 | 14 | 19.5 | 18 | 9 | 6.4 | 6.9 | 7.9 | 9.5 |
390 | ![]() San Luis Obispo, USA | 9.2 | 5.6 | 7.2 | 3.9 | 3.8 | 4.4 | 5.2 | 6.4 | 20.2 | 20.6 | 16.8 | 8.6 | 7.1 | 5.4 | 7.6 | 8.4 |
391 | ![]() Nipomo, USA | 9.1 | 5.4 | 7.5 | 4.5 | 4.7 | 5.8 | 7.2 | 7.3 | 14.4 | 19.8 | 16.4 | 8.5 | 7.2 | 6.2 | 8.4 | 9.7 |
392 | ![]() San Rafael, USA | 9.1 | 6.4 | 7.3 | 4.9 | 3.4 | 2.7 | 3.6 | 4.3 | 18.6 | 26.3 | 14 | 6.6 | 11.1 | 5.7 | 11.2 | 10 |
393 | ![]() McKinleyville, USA | 9 | 7.6 | 7.6 | 6.2 | 5.4 | 3.8 | 4.3 | 4.9 | 7.4 | 23.6 | 13.1 | 9.7 | 11.9 | 6.5 | - | - |
394 | ![]() Phelan, USA | 9 | 7.6 | 6.3 | 5 | 6.5 | 5.4 | 7.3 | 6.6 | 13.8 | 21.2 | 14.8 | 6 | 5.8 | 6.2 | - | - |
395 | ![]() Point Reyes Station, USA | 9 | 4.5 | 5.5 | 4.7 | 4.1 | 3.8 | 3.9 | 5.4 | 14 | 31.8 | 13 | 6.1 | 8.1 | 5.3 | - | - |
396 | ![]() Gualala, USA | 8.9 | 6.4 | 7.4 | 7.3 | 7.1 | 4.7 | - | 3.9 | 6.5 | 22.4 | 13.2 | 6.5 | 8 | 6 | - | - |
397 | ![]() Helendale, USA | 8.9 | 6.9 | 6.5 | 4.1 | 5 | 5 | 6.5 | 6 | 15 | 22.4 | 13.3 | 6.1 | 6.2 | 6.2 | - | - |
398 | ![]() Muir Beach, USA | 8.9 | 6 | 6.4 | 5.4 | 4.9 | 5.4 | 6.2 | 6.4 | 10 | 31.6 | 12.4 | 3.9 | 6.4 | 6.3 | - | - |
399 | ![]() Pinon Hills, USA | 8.8 | 4.8 | 5 | 3.7 | 3.9 | 3.4 | 4.7 | 5 | 13.9 | 27.3 | 12.2 | 3.9 | 3.4 | 4.4 | - | - |
400 | ![]() Huron, USA | 8.7 | 4 | 4.9 | 3.5 | 4 | 6.5 | 7.1 | 7 | 21.5 | 20.1 | 12.3 | 4.9 | 5.2 | 5.8 | 10.3 | 10.3 |