Air quality in Allen
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
8.2 µg/m³
WHO guideline 15
PM10
10.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 8.2 µg/m³
34Good
1:00 AM
💨
PM2.5 8.4 µg/m³
35Good
2:00 AM
💨
PM2.5 9.1 µg/m³
38Good
3:00 AM
💨
PM2.5 10 µg/m³
42Good
4:00 AM
💨
PM2.5 11.2 µg/m³
47Good
5:00 AM
💨
PM2.5 12.6 µg/m³
52Moderate
6:00 AM
💨
PM2.5 14 µg/m³
55Moderate
7:00 AM
💨
PM2.5 15.3 µg/m³
58Moderate
8:00 AM
💨
PM2.5 16.3 µg/m³
60Moderate
9:00 AM
💨
PM2.5 16.5 µg/m³
60Moderate
10:00 AM
💨
PM2.5 16.5 µg/m³
60Moderate
11:00 AM
💨
PM2.5 16.7 µg/m³
61Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Very high
53
Fri
💨
Moderate · UV Very high
67
Sat
💨
Moderate · UV Very high
53
Sun
💨
Moderate · UV Very high
81
Mon
💨
Good · UV Very high
49