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Longview, WA Air Quality

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Air quality in Longview

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
31
Good
PM2.5
4.7 µg/m³
WHO guideline 15
PM10
5.3 µg/m³
WHO guideline 45
NO₂ · O₃
5 · 66
µg/m³

Hour by hour (12h)

US EPA AQI
1:00 PM 💨 PM2.5 4.7 µg/m³
31Good
2:00 PM 💨 PM2.5 3.7 µg/m³
32Good
3:00 PM 💨 PM2.5 3.7 µg/m³
33Good
4:00 PM 💨 PM2.5 3.8 µg/m³
33Good
5:00 PM 💨 PM2.5 5.2 µg/m³
34Good
6:00 PM 💨 PM2.5 6.2 µg/m³
34Good
7:00 PM 💨 PM2.5 6.9 µg/m³
34Good
8:00 PM 💨 PM2.5 8 µg/m³
33Good
9:00 PM 💨 PM2.5 8.8 µg/m³
37Good
10:00 PM 💨 PM2.5 6.3 µg/m³
32Good
11:00 PM 💨 PM2.5 4.6 µg/m³
32Good
12:00 AM 💨 PM2.5 3.4 µg/m³
32Good

Next few days

daily max · US EPA AQI
Fri 💨 Moderate · UV Low
67
Sat 💨 Moderate · UV Low
56
Sun 💨 Moderate · UV Moderate
55
Mon 💨 Moderate · UV Low
65
Tue 💨 Moderate · UV Moderate
68

Weather map — Longview

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Updated: 1:53 PM