Air quality in Timonium
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
12 µg/m³
WHO guideline 15
PM10
12 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 PM
💨
PM2.5 12 µg/m³
50Good
12:00 AM
💨
PM2.5 11.6 µg/m³
48Good
1:00 AM
💨
PM2.5 11.4 µg/m³
48Good
2:00 AM
💨
PM2.5 10.7 µg/m³
45Good
3:00 AM
💨
PM2.5 9.6 µg/m³
40Good
4:00 AM
💨
PM2.5 8.8 µg/m³
37Good
5:00 AM
💨
PM2.5 8.1 µg/m³
34Good
6:00 AM
💨
PM2.5 7.8 µg/m³
33Good
7:00 AM
💨
PM2.5 7.8 µg/m³
33Good
8:00 AM
💨
PM2.5 8.1 µg/m³
34Good
9:00 AM
💨
PM2.5 8.1 µg/m³
34Good
10:00 AM
💨
PM2.5 8 µg/m³
36Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV High
78
Wed
💨
Unhealthy for Sensitive Groups · UV High
136
Thu
💨
Moderate · UV High
83
Fri
💨
Moderate · UV High
88