Air quality in Fremont
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
24.4 µg/m³
WHO guideline 15
PM10
26.5 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
9:00 AM
💨
PM2.5 24.4 µg/m³
77 Moderate
10:00 AM
💨
PM2.5 21.2 µg/m³
70 Moderate
11:00 AM
💨
PM2.5 19.8 µg/m³
67 Moderate
12:00 PM
💨
PM2.5 19.1 µg/m³
66 Moderate
1:00 PM
💨
PM2.5 18.8 µg/m³
65 Moderate
2:00 PM
💨
PM2.5 18.8 µg/m³
65 Moderate
3:00 PM
💨
PM2.5 18.3 µg/m³
64 Moderate
4:00 PM
💨
PM2.5 18.2 µg/m³
64 Moderate
5:00 PM
💨
PM2.5 18.6 µg/m³
65 Moderate
6:00 PM
💨
PM2.5 19.4 µg/m³
66 Moderate
7:00 PM
💨
PM2.5 20.4 µg/m³
68 Moderate
8:00 PM
💨
PM2.5 21.7 µg/m³
71 Moderate
Next few days daily max · US EPA AQI
Fri
💨
Moderate · UV Moderate
77
Sat
💨
Unhealthy for Sensitive Groups · UV High
150
Sun
💨
Unhealthy for Sensitive Groups · UV Moderate
133
Mon
💨
Moderate · UV High
80
Tue
💨
Moderate · UV Very high
68
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain