Air quality in Perryville
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
4.5 µg/m³
WHO guideline 15
PM10
4.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 4.5 µg/m³
24Good
2:00 AM
💨
PM2.5 5.6 µg/m³
23Good
3:00 AM
💨
PM2.5 6.7 µg/m³
28Good
4:00 AM
💨
PM2.5 7.5 µg/m³
31Good
5:00 AM
💨
PM2.5 8.7 µg/m³
36Good
6:00 AM
💨
PM2.5 9.3 µg/m³
39Good
7:00 AM
💨
PM2.5 9.5 µg/m³
40Good
8:00 AM
💨
PM2.5 8.6 µg/m³
36Good
9:00 AM
💨
PM2.5 6.8 µg/m³
32Good
10:00 AM
💨
PM2.5 4.9 µg/m³
40Good
11:00 AM
💨
PM2.5 5.1 µg/m³
45Good
12:00 PM
💨
PM2.5 5.2 µg/m³
50Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Very high
71
Fri
💨
Moderate · UV Very high
99
Sat
💨
Moderate · UV Very high
65
Sun
💨
Moderate · UV High
51
Mon
💨
Good · UV Very high
28