Air quality in Thornton
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
22.4 µg/m³
WHO guideline 15
PM10
23.5 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
11:00 PM
💨
PM2.5 22.4 µg/m³
73 Moderate
12:00 AM
💨
PM2.5 22.1 µg/m³
72 Moderate
1:00 AM
💨
PM2.5 21 µg/m³
70 Moderate
2:00 AM
💨
PM2.5 19.3 µg/m³
66 Moderate
3:00 AM
💨
PM2.5 17.2 µg/m³
62 Moderate
4:00 AM
💨
PM2.5 15.8 µg/m³
59 Moderate
5:00 AM
💨
PM2.5 14.4 µg/m³
56 Moderate
6:00 AM
💨
PM2.5 14.1 µg/m³
55 Moderate
7:00 AM
💨
PM2.5 15.5 µg/m³
58 Moderate
8:00 AM
💨
PM2.5 16.2 µg/m³
60 Moderate
9:00 AM
💨
PM2.5 12.3 µg/m³
51 Moderate
10:00 AM
💨
PM2.5 10.2 µg/m³
43 Good
Next few days daily max · US EPA AQI
Fri
💨
Moderate · UV Low
73
Sat
💨
Moderate · UV Low
72
Sun
💨
Moderate · UV Low
73
Mon
💨
Moderate · UV Moderate
83
Tue
💨
Moderate · UV Low
84
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain