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
17.5 µg/m³
WHO guideline 15
PM10
21.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 17.5 µg/m³
95Moderate
1:00 PM
💨
PM2.5 16.6 µg/m³
119Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 16.3 µg/m³
136Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 16.3 µg/m³
140Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 16.6 µg/m³
133Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 17.2 µg/m³
120Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 18.7 µg/m³
103Unhealthy for Sensitive Groups
7:00 PM
💨
PM2.5 20.4 µg/m³
83Moderate
8:00 PM
💨
PM2.5 20.6 µg/m³
69Moderate
9:00 PM
💨
PM2.5 20.4 µg/m³
68Moderate
10:00 PM
💨
PM2.5 20.2 µg/m³
68Moderate
11:00 PM
💨
PM2.5 20.1 µg/m³
68Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
140
Fri
💨
Unhealthy for Sensitive Groups · UV Very high
126
Sat
💨
Unhealthy · UV Very high
158
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
128
Mon
💨
Moderate · UV Very high
82