Air quality in Frederick
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
8.6 µg/m³
WHO guideline 15
PM10
8.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 8.6 µg/m³
40Good
1:00 PM
💨
PM2.5 7.5 µg/m³
39Good
2:00 PM
💨
PM2.5 7.8 µg/m³
38Good
3:00 PM
💨
PM2.5 6.8 µg/m³
37Good
4:00 PM
💨
PM2.5 5.8 µg/m³
36Good
5:00 PM
💨
PM2.5 5 µg/m³
34Good
6:00 PM
💨
PM2.5 5.2 µg/m³
33Good
7:00 PM
💨
PM2.5 5.3 µg/m³
31Good
8:00 PM
💨
PM2.5 5.3 µg/m³
30Good
9:00 PM
💨
PM2.5 5.4 µg/m³
28Good
10:00 PM
💨
PM2.5 5.6 µg/m³
27Good
11:00 PM
💨
PM2.5 5.2 µg/m³
27Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV High
65
Mon
💨
Good · UV Very high
49
Wed
💨
Moderate · UV Very high
81
Thu
💨
No data · UV Very high
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