Air quality in Baltimore
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
4.3 µg/m³
WHO guideline 15
PM10
4.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 4.3 µg/m³
47Good
2:00 PM
💨
PM2.5 4.5 µg/m³
46Good
3:00 PM
💨
PM2.5 4.4 µg/m³
46Good
4:00 PM
💨
PM2.5 4.4 µg/m³
46Good
5:00 PM
💨
PM2.5 4.4 µg/m³
44Good
6:00 PM
💨
PM2.5 4.9 µg/m³
40Good
7:00 PM
💨
PM2.5 5.9 µg/m³
34Good
8:00 PM
💨
PM2.5 7.3 µg/m³
30Good
9:00 PM
💨
PM2.5 8.3 µg/m³
35Good
10:00 PM
💨
PM2.5 8.4 µg/m³
35Good
11:00 PM
💨
PM2.5 8.2 µg/m³
34Good
12:00 AM
💨
PM2.5 7.8 µg/m³
33Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV High
61
Wed
💨
Unhealthy for Sensitive Groups · UV High
138