Air quality in Golden
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
13.7 µg/m³
WHO guideline 15
PM10
14.1 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
2:00 AM
💨
PM2.5 13.7 µg/m³
54 Moderate
3:00 AM
💨
PM2.5 13.2 µg/m³
53 Moderate
4:00 AM
💨
PM2.5 12.3 µg/m³
51 Moderate
5:00 AM
💨
PM2.5 10.9 µg/m³
45 Good
6:00 AM
💨
PM2.5 9.5 µg/m³
40 Good
7:00 AM
💨
PM2.5 8.9 µg/m³
37 Good
8:00 AM
💨
PM2.5 10.3 µg/m³
43 Good
9:00 AM
💨
PM2.5 12.7 µg/m³
52 Moderate
10:00 AM
💨
PM2.5 9.6 µg/m³
40 Good
11:00 AM
💨
PM2.5 9.7 µg/m³
40 Good
12:00 PM
💨
PM2.5 8.5 µg/m³
39 Good
1:00 PM
💨
PM2.5 7.9 µg/m³
43 Good
Next few days daily max · US EPA AQI
Mon
💨
Moderate · UV Moderate
62
Tue
💨
Moderate · UV Moderate
61
Wed
💨
Moderate · UV Moderate
55
Thu
💨
Good · UV Moderate
28
Fri
💨
No data · UV High
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain