Air quality in Martinsville
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
4.8 µg/m³
WHO guideline 15
PM10
4.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 AM
💨
PM2.5 4.8 µg/m³
48Good
12:00 PM
💨
PM2.5 4.8 µg/m³
60Moderate
1:00 PM
💨
PM2.5 4.9 µg/m³
66Moderate
2:00 PM
💨
PM2.5 5.2 µg/m³
71Moderate
3:00 PM
💨
PM2.5 5.2 µg/m³
78Moderate
4:00 PM
💨
PM2.5 5.2 µg/m³
83Moderate
5:00 PM
💨
PM2.5 5.2 µg/m³
78Moderate
6:00 PM
💨
PM2.5 5.5 µg/m³
53Moderate
7:00 PM
💨
PM2.5 6.1 µg/m³
42Good
8:00 PM
💨
PM2.5 6.8 µg/m³
34Good
9:00 PM
💨
PM2.5 7.2 µg/m³
34Good
10:00 PM
💨
PM2.5 7.2 µg/m³
35Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV Very high
83
Mon
💨
Moderate · UV Very high
75
Tue
💨
Moderate · UV Very high
70
Wed
💨
Moderate · UV Very high
61
Thu
💨
Good · UV Very high
40