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Westwood, CA Air Quality

← Westwood

Air quality in Westwood

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
40
Good
PM2.5
3.2 µg/m³
WHO guideline 15
PM10
3.7 µg/m³
WHO guideline 45
NO₂ · O₃
1 · 84
µg/m³

Hour by hour (12h)

US EPA AQI
6:00 PM 💨 PM2.5 3.2 µg/m³
40Good
7:00 PM 💨 PM2.5 3.5 µg/m³
38Good
8:00 PM 💨 PM2.5 3.9 µg/m³
36Good
9:00 PM 💨 PM2.5 4.3 µg/m³
32Good
10:00 PM 💨 PM2.5 5 µg/m³
27Good
11:00 PM 💨 PM2.5 5.9 µg/m³
25Good
12:00 AM 💨 PM2.5 7 µg/m³
29Good
1:00 AM 💨 PM2.5 8.3 µg/m³
35Good
2:00 AM 💨 PM2.5 9.6 µg/m³
40Good
3:00 AM 💨 PM2.5 10.4 µg/m³
43Good
4:00 AM 💨 PM2.5 11.2 µg/m³
47Good
5:00 AM 💨 PM2.5 11.7 µg/m³
49Good

Next few days

daily max · US EPA AQI
Fri 💨 Good · UV Moderate
45
Sat 💨 Moderate · UV High
53
Sun 💨 Moderate · UV High
60
Mon 💨 Moderate · UV High
68
Tue 💨 No data · UV High
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Updated: 6:53 PM