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WeatherLive › California › Mountain View › Air Quality

Mountain View, CA Air Quality

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Air quality in Mountain View

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.

US AQI · EPA
70
Moderate
PM2.5
21.2 µg/m³
WHO guideline 15
PM10
27.8 µg/m³
WHO guideline 45
NO₂ · O₃
30 · 32
µg/m³

Hour by hour (12h)

US EPA AQI
12:00 AM 💨 PM2.5 21.2 µg/m³
70Moderate
1:00 AM 💨 PM2.5 21.3 µg/m³
70Moderate
2:00 AM 💨 PM2.5 21.2 µg/m³
70Moderate
3:00 AM 💨 PM2.5 20.7 µg/m³
69Moderate
4:00 AM 💨 PM2.5 19.4 µg/m³
66Moderate
5:00 AM 💨 PM2.5 19.2 µg/m³
66Moderate
6:00 AM 💨 PM2.5 18.7 µg/m³
65Moderate
7:00 AM 💨 PM2.5 18.5 µg/m³
64Moderate
8:00 AM 💨 PM2.5 18.3 µg/m³
64Moderate
9:00 AM 💨 PM2.5 17.8 µg/m³
63Moderate
10:00 AM 💨 PM2.5 16.5 µg/m³
60Moderate
11:00 AM 💨 PM2.5 15.1 µg/m³
57Moderate

Next few days

daily max · US EPA AQI
Thu 💨 Moderate · UV High
70
Fri 💨 Moderate · UV Moderate
70
Sat 💨 Moderate · UV Moderate
55
Sun 💨 Moderate · UV Moderate
72
Mon 💨 Moderate · UV Moderate
62

Weather map — Mountain View

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Updated: 12:15 AM