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Walker, MI Air Quality

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Air quality in Walker

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
34
Good
PM2.5
1.9 µg/m³
WHO guideline 15
PM10
2 µg/m³
WHO guideline 45
NO₂ · O₃
1 · 73
µg/m³

Hour by hour (12h)

US EPA AQI
5:00 PM 💨 PM2.5 1.9 µg/m³
34Good
6:00 PM 💨 PM2.5 1.8 µg/m³
32Good
7:00 PM 💨 PM2.5 2.1 µg/m³
28Good
8:00 PM 💨 PM2.5 2.6 µg/m³
25Good
9:00 PM 💨 PM2.5 2.7 µg/m³
23Good
10:00 PM 💨 PM2.5 2.6 µg/m³
21Good
11:00 PM 💨 PM2.5 2.6 µg/m³
20Good
12:00 AM 💨 PM2.5 2.5 µg/m³
19Good
1:00 AM 💨 PM2.5 2.3 µg/m³
18Good
2:00 AM 💨 PM2.5 2.3 µg/m³
17Good
3:00 AM 💨 PM2.5 2.2 µg/m³
17Good
4:00 AM 💨 PM2.5 2.1 µg/m³
16Good

Next few days

daily max · US EPA AQI
Fri 💨 Good · UV Moderate
36
Sat 💨 Good · UV Moderate
38
Sun 💨 Good · UV Moderate
37
Mon 💨 Good · UV Moderate
38
Tue 💨 Good · UV Moderate
18

Weather map — Walker

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Updated: 5:54 PM