Air quality in San Luis Obispo
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
12 µg/m³
WHO guideline 15
PM10
30.5 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
1:00 AM
💨
PM2.5 12 µg/m³
50 Good
2:00 AM
💨
PM2.5 11.8 µg/m³
49 Good
3:00 AM
💨
PM2.5 11.8 µg/m³
49 Good
4:00 AM
💨
PM2.5 12 µg/m³
50 Good
5:00 AM
💨
PM2.5 12.1 µg/m³
51 Moderate
6:00 AM
💨
PM2.5 12.1 µg/m³
51 Moderate
7:00 AM
💨
PM2.5 12 µg/m³
50 Good
8:00 AM
💨
PM2.5 11.2 µg/m³
47 Good
9:00 AM
💨
PM2.5 10.4 µg/m³
43 Good
10:00 AM
💨
PM2.5 11.4 µg/m³
48 Good
11:00 AM
💨
PM2.5 13.8 µg/m³
55 Moderate
12:00 PM
💨
PM2.5 14.3 µg/m³
56 Moderate
Next few days daily max · US EPA AQI
Sat
💨
Moderate · UV Moderate
55
Sun
💨
Moderate · UV Moderate
56
Mon
💨
Moderate · UV Moderate
57
Tue
💨
Moderate · UV Moderate
57
Wed
💨
Good · UV Moderate
38
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain