state
Last update at (local time)
445
83
81
77
69
62
60
58
(local time)
35
44
48
49
53
55
56
#1 Air Quality App
Free iOS and Android air quality app
News
The latest air quality news and resources.
2 days ago
How industrial pollution affects air quality
3 days ago
Wildfire Map Spotlight: Wildcat Fire in Arizona
17 days ago
Why air quality is critical for safe hospitals and doctor offices
1 Data source
Air pollution data of cities in Xinjiang