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
13.5 µg/m³
WHO guideline 15
PM10
17.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 13.5 µg/m³
54Moderate
11:00 AM
💨
PM2.5 11.3 µg/m³
50Good
12:00 PM
💨
PM2.5 10.5 µg/m³
70Moderate
1:00 PM
💨
PM2.5 9.6 µg/m³
81Moderate
2:00 PM
💨
PM2.5 9.6 µg/m³
90Moderate
3:00 PM
💨
PM2.5 11 µg/m³
96Moderate
4:00 PM
💨
PM2.5 12.7 µg/m³
99Moderate
5:00 PM
💨
PM2.5 14.4 µg/m³
100Moderate
6:00 PM
💨
PM2.5 15.9 µg/m³
91Moderate
7:00 PM
💨
PM2.5 17.4 µg/m³
80Moderate
8:00 PM
💨
PM2.5 19.2 µg/m³
66Moderate
9:00 PM
💨
PM2.5 20.9 µg/m³
70Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
100
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
108
Fri
💨
Moderate · UV Very high
89
Sat
💨
Moderate · UV Very high
88
Sun
💨
Moderate · UV High
72