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Saint Johns, MI Air Quality

← Saint Johns

Air quality in Saint Johns

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
30
Good
PM2.5
2.8 µg/m³
WHO guideline 15
PM10
3.1 µg/m³
WHO guideline 45
NO₂ · O₃
6 · 64
µg/m³

Hour by hour (12h)

US EPA AQI
7:00 AM 💨 PM2.5 2.8 µg/m³
30Good
8:00 AM 💨 PM2.5 2.6 µg/m³
32Good
9:00 AM 💨 PM2.5 2.8 µg/m³
33Good
10:00 AM 💨 PM2.5 3.1 µg/m³
34Good
11:00 AM 💨 PM2.5 3.7 µg/m³
35Good
12:00 PM 💨 PM2.5 4.1 µg/m³
36Good
1:00 PM 💨 PM2.5 4.4 µg/m³
38Good
2:00 PM 💨 PM2.5 4.7 µg/m³
41Good
3:00 PM 💨 PM2.5 5.4 µg/m³
44Good
4:00 PM 💨 PM2.5 6.1 µg/m³
48Good
5:00 PM 💨 PM2.5 6.4 µg/m³
49Good
6:00 PM 💨 PM2.5 6.3 µg/m³
48Good

Next few days

daily max · US EPA AQI
Sun 💨 Good · UV Moderate
49
Mon 💨 Moderate · UV High
78
Tue 💨 Good · UV High
49
Wed 💨 Unhealthy for Sensitive Groups · UV High
111
Thu 💨 Good · UV High
26
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Updated: 7:01 AM