Air quality in Sunnyvale
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
18.6 µg/m³
WHO guideline 15
PM10
25 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
10:00 PM
💨
PM2.5 18.6 µg/m³
65 Moderate
11:00 PM
💨
PM2.5 19.4 µg/m³
66 Moderate
12:00 AM
💨
PM2.5 19.8 µg/m³
67 Moderate
1:00 AM
💨
PM2.5 20 µg/m³
68 Moderate
2:00 AM
💨
PM2.5 20.3 µg/m³
68 Moderate
3:00 AM
💨
PM2.5 20.7 µg/m³
69 Moderate
4:00 AM
💨
PM2.5 20.8 µg/m³
69 Moderate
5:00 AM
💨
PM2.5 20.7 µg/m³
69 Moderate
6:00 AM
💨
PM2.5 20.7 µg/m³
69 Moderate
7:00 AM
💨
PM2.5 21 µg/m³
70 Moderate
8:00 AM
💨
PM2.5 20.8 µg/m³
69 Moderate
9:00 AM
💨
PM2.5 17.9 µg/m³
63 Moderate
Next few days daily max · US EPA AQI
Thu
💨
Unhealthy for Sensitive Groups · UV High
106
Fri
💨
Moderate · UV Moderate
70
Sat
💨
Moderate · UV Moderate
56
Sun
💨
Moderate · UV Moderate
63
Mon
💨
Moderate · UV Moderate
60
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain