Air quality in Fontana
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
20.5 µg/m³
WHO guideline 15
PM10
24.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 20.5 µg/m³
69Moderate
3:00 AM
💨
PM2.5 21 µg/m³
70Moderate
4:00 AM
💨
PM2.5 21.8 µg/m³
71Moderate
5:00 AM
💨
PM2.5 22.9 µg/m³
74Moderate
6:00 AM
💨
PM2.5 25.3 µg/m³
79Moderate
7:00 AM
💨
PM2.5 26.5 µg/m³
81Moderate
8:00 AM
💨
PM2.5 24.4 µg/m³
77Moderate
9:00 AM
💨
PM2.5 21.4 µg/m³
71Moderate
10:00 AM
💨
PM2.5 17.1 µg/m³
62Moderate
11:00 AM
💨
PM2.5 14.6 µg/m³
56Moderate
12:00 PM
💨
PM2.5 13.6 µg/m³
54Moderate
1:00 PM
💨
PM2.5 13.2 µg/m³
65Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Very high
100
Fri
💨
Moderate · UV Very high
83
Sat
💨
Moderate · UV Very high
83
Sun
💨
Moderate · UV Low
75
Mon
💨
Moderate · UV Very high
100