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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.

BreatheCheck reads 114 monitors and 6891 local sensors across 121 metros

Live US air quality map

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Runs only when you press the button. Your coordinates are used in your browser to pick the nearest metro and are never sent to us or stored.

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 FL Miami 80
2 GA Atlanta 74
3 DC Washington 71
4 WA Spokane 63
5 PA Philadelphia 57
6 CA Bakersfield 56
7 CA Riverside 56
8 FL Jacksonville 56
9 AZ Phoenix 55
10 TN Nashville 55
11 CA Fresno 54
12 NC Charlotte 54
13 TX Houston 53
14 ID Boise 52
15 NC Raleigh 52
16 CA San Diego 52
17 PA Pittsburgh 51
18 OK Oklahoma City 51
19 FL Orlando 51
20 NY New York 49
21 LA New Orleans 49
22 FL Tampa 45
23 SC Columbia 45
24 CO Fort Collins 44
25 NM Albuquerque 44
26 TX Dallas 44
27 TX Fort Worth 44
28 OH Cleveland 43
29 MO St. Louis 42
30 TX Austin 42
31 CA Stockton 42
32 CO Denver 41
33 TX San Antonio 41
34 CO Boulder 41
35 UT Salt Lake City 40
36 AZ Tucson 39
37 MD Baltimore 39
38 OK Tulsa 39
39 OR Eugene 38
40 OR Portland 38
41 MO Kansas City 38
42 CA Los Angeles 37
43 WA Seattle 37
44 MN Minneapolis 37
45 KY Louisville 37
46 OH Columbus 37
47 MN St. Paul 37
48 NV Reno 36
49 CA San Jose 36
50 OH Cincinnati 36
51 CO Colorado Springs 35
52 CA Long Beach 35
53 MI Detroit 34
54 CA Sacramento 31
55 NV Las Vegas 31
56 AZ Scottsdale 29
57 MA Boston 27
58 NE Omaha 27
59 TN Memphis 27
60 CA Irvine 26
61 HI Honolulu 26
62 IN Indianapolis 26
63 IL Chicago 25
64 WI Milwaukee 21
65 CA Oakland 19
66 WI Madison 18
67 IA Des Moines 18
68 CA Anaheim 16
69 MT Missoula 13

Worst air in the US right now → · All 69 city pages →

Updated