Air quality in Maryville
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.
PM2.5
1.9 µg/m³
WHO guideline 15
PM10
2 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
3:00 PM
💨
PM2.5 1.9 µg/m³
35 Good
4:00 PM
💨
PM2.5 1.9 µg/m³
34 Good
5:00 PM
💨
PM2.5 2.2 µg/m³
32 Good
6:00 PM
💨
PM2.5 3.8 µg/m³
27 Good
7:00 PM
💨
PM2.5 4.5 µg/m³
24 Good
8:00 PM
💨
PM2.5 4.3 µg/m³
22 Good
9:00 PM
💨
PM2.5 4 µg/m³
22 Good
10:00 PM
💨
PM2.5 4 µg/m³
21 Good
11:00 PM
💨
PM2.5 4.1 µg/m³
20 Good
12:00 AM
💨
PM2.5 4 µg/m³
20 Good
1:00 AM
💨
PM2.5 4.1 µg/m³
19 Good
2:00 AM
💨
PM2.5 4.4 µg/m³
18 Good
Next few days daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
55
Mon
💨
Moderate · UV Low
54
Tue
💨
Moderate · UV Moderate
75
Wed
💨
Moderate · UV Moderate
100
Thu
💨
Moderate · UV Moderate
99
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain