World most polluted cities 2018 (PM2.5)

Filter cities by

2018

NEW

Download world air quality report 2018

Download PDF

donwload report icon

2018 World air quality report

Download PDF

PM2.5 Legend
WHO target
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Unit: µg/m³
RankCity2017 AVG2018 AVGJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1Mexico
Mexicali, Mexico
22.730.240.927.71418.3-34.926.928.42828.54338.6
2USA
Anderson, USA
23.527.821.115.323.6--15.530.57823.615.933.925.6
3Mexico
Toluca, Mexico
26.926.4-----21.826.124.623.524.126.435.7
4Mexico
Ecatepec de Morelos, Mexico
28.124.920.430.427.928.721.918.922.618.320.11927.734.7
5Mexico
Tlalnepantla de Baz, Mexico
25.623.721.827.52628.123.819.618.720.522.816.12627
6Mexico
Nezahualcóyotl, Mexico
22.622.816.128.432.430.920.316.520.814.918.514.320.733
7USA
Medford, USA
152212.69.17.8---74.464.219.36.611.913.1
8Mexico
Salamanca, Mexico
25.120.923.822.923.221.524.713.719.615.615.512.924.332.2
9Mexico
Leon, Mexico
27.320.81818.722.323.923.618.326.621.41912.818.222
10USA
Three Rivers, USA
20.420.89.914.28.159.315.117.440.2-13.514.431.88.9
11USA
Yosemite Valley, USA
13.320.48.399.29.211.88.972.465.29.910.216.810.6
12USA
Portola, USA
19.120.433.8292213.37.25.412.833.411.411.725.827.4
13Mexico
Celaya, Mexico
22.220.123.122.821.823.92114.717.114.114.41228.129
14Mexico
Irapuato, Mexico
23.219.722.721.524.224.222.511.917.713.213.211.621.529.1
15Mexico
Mexico City, Mexico
20.419.721.720.822.723.216.215.317.915.218.714.521.328.2
16USA
Klamath Falls, USA
13.218.911.911.36.65.44.23.843.870.12010.115.313
17USA
Yuba City, USA
12.618.217.613.48.79.29.510.715.3271512.164.214.7
18USA
Paradise, USA
6.817.97.96.54.95.166.314.523.77.66.8206.8-
19USA
Stockton, USA
12.517.721.917.39.611.18.19.513.82213.412.25220.4
20USA
Chico, USA
12.817.615.87.66.47.59.59.616.429.714.1975.112.6
21USA
Visalia, USA
16.817.629.524.28.299.210.515.926.613.613.930.220.8
22USA
Turlock, USA
13.117.322.616.29.28.47.410.414.923.913.412.647.319.9
23Mexico
Monterrey, Mexico
15.717.218.526.313.413.116.214.315.210.314.217.324.223.8
24USA
Gridley, USA
12.316.912.612.877.8910.814.726.113.612.963.911.4
25USA
Porterville, USA
15.316.825.819.57.411.89.910.218.726.212.111.624.919.5
26USA
Twisp, USA
18.816.62411.310.55.45.53.27.468.118.21117.615.5
27USA
California City, USA
16.316.422.116.412.315.411.315.115.218.517.615.117.821.2
28Canada
Quesnel Senior Secondary, Canada
14.31612.79.611.48.49.47.710.474.212.112.114.18.8
29USA
La Mirada, USA
-16-----13.913.218.318.614.214.818.6
30USA
Reseda, USA
17.31616.21513.417.718.522.817.719.913.89.813.113.5
31USA
Bakersfield, USA
16.215.932.421.68.67.97.68.812.420.611.61127.820
32USA
Upland, USA
17.615.816.912.813.617.515.420.321.52416.799.79.8
33Canada
Prince George, Canada
9.115.411.7119.18.78.9811.972.21213.511.87.8
34USA
Merced, USA
13.415.320.917.46.87.87.58.813.524.413.512.331.318.7
35USA
Modesto, USA
1315.120.813.97.97.16.67.911.420.211.41046.116.7
36USA
Libby, USA
15.114.917.812.714.18.76.95.48.443.410.41321.215.3
37USA
Ashland, USA
10.914.86.454.13.94.43.937.76518.36.17.57.1
38USA
Williams, USA
6.914.810.98.24.23.85.671842.513.97.9265.5
39USA
Sacramento, USA
11.514.717.213.46.976.89.69.617.18.17.361.812.6
40USA
San Andreas, USA
12.914.613.6149.310.311.312.317.629.6131016.616.6
41USA
Milpitas, USA
-14.514.14.84.26.55.25.610.118.311.29.158.49.4
42USA
Los Angeles, USA
16.114.417.51410.715.612.516.614.817.215.511.81511.7
43USA
Fresno, USA
10.91426.820.77.47.57.28.61222.710.18.125.211.7
44Puerto Rico
Ponce, Puerto Rico
-13.9---9.26.416.317.117.722.8151.21.9
45USA
Kern, USA
1313.832.422.38.487.58.611.918.710.18.915.712.3
46USA
Shady Cove, USA
12.113.76.54.73.73.83.83.336.254.319.35.97.58.2
47USA
Stanislaus, USA
12.913.620.7147.87.16.67.911.419.511.210.233.217.1
48USA
Long Beach, USA
14.613.521.6159.412.87.610.311.214.913.912.316.316.6
49USA
Montgomery, USA
13.313.5--15.6-14.31312.913.713.213.713.412.8
50USA
Oakland, USA
11.413.515.610.99.110.67.610.78.513.812.41043.69

Track your air quality anywhere you are

Download the app

Link to download AirVisual app on App StoreLink to download AirVisual app on Google PlayLink to download AirVisual app on Android