Air quality in Collinsville
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
1.5 µg/m³
WHO guideline 15
PM10
1.5 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
6:00 PM
💨
PM2.5 1.5 µg/m³
27 Good
7:00 PM
💨
PM2.5 1.5 µg/m³
27 Good
8:00 PM
💨
PM2.5 1.5 µg/m³
27 Good
9:00 PM
💨
PM2.5 1.6 µg/m³
27 Good
10:00 PM
💨
PM2.5 1.7 µg/m³
26 Good
11:00 PM
💨
PM2.5 1.6 µg/m³
26 Good
12:00 AM
💨
PM2.5 1.4 µg/m³
26 Good
1:00 AM
💨
PM2.5 1.3 µg/m³
25 Good
2:00 AM
💨
PM2.5 1.3 µg/m³
25 Good
3:00 AM
💨
PM2.5 1.2 µg/m³
25 Good
4:00 AM
💨
PM2.5 1.2 µg/m³
24 Good
5:00 AM
💨
PM2.5 1.3 µg/m³
24 Good
Next few days daily max · US EPA AQI
Sat
💨
Moderate · UV Low
79
Sun
💨
Moderate · UV Moderate
77
Mon
💨
Good · UV Moderate
34
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain