Air quality in Midlothian
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
6.9 µg/m³
WHO guideline 15
PM10
9.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 6.9 µg/m³
48Good
5:00 PM
💨
PM2.5 6.9 µg/m³
49Good
6:00 PM
💨
PM2.5 7 µg/m³
49Good
7:00 PM
💨
PM2.5 7.1 µg/m³
48Good
8:00 PM
💨
PM2.5 7.1 µg/m³
45Good
9:00 PM
💨
PM2.5 7.2 µg/m³
43Good
10:00 PM
💨
PM2.5 7.1 µg/m³
40Good
11:00 PM
💨
PM2.5 6.7 µg/m³
38Good
12:00 AM
💨
PM2.5 6.3 µg/m³
35Good
1:00 AM
💨
PM2.5 6 µg/m³
33Good
2:00 AM
💨
PM2.5 6 µg/m³
29Good
3:00 AM
💨
PM2.5 6.4 µg/m³
27Good
Next few days
daily max · US EPA AQI
Wed
💨
Good · UV Very high
49
Thu
💨
Moderate · UV Very high
54
Fri
💨
Moderate · UV Very high
81
Sat
💨
Unhealthy for Sensitive Groups · UV Very high
126
Sun
💨
Good · UV Very high
48