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
13.4 µg/m³
WHO guideline 15
PM10
15.1 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
7:00 AM
💨
PM2.5 13.4 µg/m³
54 Moderate
8:00 AM
💨
PM2.5 14.1 µg/m³
55 Moderate
9:00 AM
💨
PM2.5 13 µg/m³
53 Moderate
10:00 AM
💨
PM2.5 12.4 µg/m³
52 Moderate
11:00 AM
💨
PM2.5 12.6 µg/m³
52 Moderate
12:00 PM
💨
PM2.5 13.1 µg/m³
53 Moderate
1:00 PM
💨
PM2.5 14.1 µg/m³
55 Moderate
2:00 PM
💨
PM2.5 15 µg/m³
57 Moderate
3:00 PM
💨
PM2.5 15.3 µg/m³
58 Moderate
4:00 PM
💨
PM2.5 15.3 µg/m³
58 Moderate
5:00 PM
💨
PM2.5 15 µg/m³
57 Moderate
6:00 PM
💨
PM2.5 14.1 µg/m³
55 Moderate
Next few days daily max · US EPA AQI
Thu
💨
Moderate · UV High
58
Fri
💨
Moderate · UV High
63
Sat
💨
Unhealthy for Sensitive Groups · UV High
150
Sun
💨
Unhealthy for Sensitive Groups · UV Moderate
117
Mon
💨
Moderate · UV Very high
71
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain