Air quality in Chico
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
11.7 µg/m³
WHO guideline 15
PM10
12.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 11.7 µg/m³
49Good
2:00 AM
💨
PM2.5 11.8 µg/m³
49Good
3:00 AM
💨
PM2.5 11.8 µg/m³
49Good
4:00 AM
💨
PM2.5 12 µg/m³
50Good
5:00 AM
💨
PM2.5 12.2 µg/m³
51Moderate
6:00 AM
💨
PM2.5 12.2 µg/m³
51Moderate
7:00 AM
💨
PM2.5 12.2 µg/m³
51Moderate
8:00 AM
💨
PM2.5 12 µg/m³
50Good
9:00 AM
💨
PM2.5 12.4 µg/m³
52Moderate
10:00 AM
💨
PM2.5 12.9 µg/m³
53Moderate
11:00 AM
💨
PM2.5 13 µg/m³
53Moderate
12:00 PM
💨
PM2.5 12.5 µg/m³
70Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
117
Thu
💨
Moderate · UV Very high
98
Fri
💨
Moderate · UV Very high
93
Sat
💨
Moderate · UV Very high
58
Sun
💨
Moderate · UV Very high
66