Air quality in Gwynn Oak
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
8.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 AM
💨
PM2.5 8.2 µg/m³
34Good
7:00 AM
💨
PM2.5 8.4 µg/m³
35Good
8:00 AM
💨
PM2.5 9.3 µg/m³
39Good
9:00 AM
💨
PM2.5 9.7 µg/m³
40Good
10:00 AM
💨
PM2.5 9.4 µg/m³
39Good
11:00 AM
💨
PM2.5 9.8 µg/m³
48Good
12:00 PM
💨
PM2.5 10.1 µg/m³
71Moderate
1:00 PM
💨
PM2.5 10 µg/m³
100Moderate
2:00 PM
💨
PM2.5 9.8 µg/m³
117Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 9.6 µg/m³
120Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 9.4 µg/m³
113Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 8.9 µg/m³
101Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV High
120
Thu
💨
Moderate · UV High
98
Fri
💨
Moderate · UV High
98
Sat
💨
Moderate · UV High
54
Sun
💨
Good · UV Very high
41