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Air quality in the United States

What you’re breathing right now, and what to do about it — not just a number.

214 stations from 3 data providers

Live US air quality map

Marker size follows AQI. A dashed grey marker means the feed is down — we show the last good reading, never a stale number as current.

Live ranking

#CityAQI
1 GA Atlanta 71
2 WA Spokane 70
3 PA Pittsburgh 69
4 MO St. Louis 66
5 TX Houston 55
6 CO Denver 55
7 CA Bakersfield 55
8 CA Fresno 55
9 NY New York 52
10 AZ Phoenix 52
11 CO Fort Collins 48
12 IL Chicago 43
13 WI Milwaukee 43
14 NV Reno 39
15 AZ Tucson 38
16 MN Minneapolis 34
17 UT Salt Lake City 31
18 NM Albuquerque 31
19 CA Oakland 31
20 CA Long Beach 31
21 ID Boise 30
22 WI Madison 28
23 CO Colorado Springs 26
24 OR Eugene 23
25 CA Los Angeles 21
26 WA Seattle 19
27 CA Sacramento 16
— CA Irvine —

All 28 cities →

Updated