Air quality in North End
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
9 µg/m³
WHO guideline 15
PM10
11.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 9 µg/m³
46Good
10:00 PM
💨
PM2.5 9.3 µg/m³
46Good
11:00 PM
💨
PM2.5 9.6 µg/m³
45Good
12:00 AM
💨
PM2.5 9.9 µg/m³
44Good
1:00 AM
💨
PM2.5 10 µg/m³
44Good
2:00 AM
💨
PM2.5 9.7 µg/m³
43Good
3:00 AM
💨
PM2.5 9.8 µg/m³
43Good
4:00 AM
💨
PM2.5 9.5 µg/m³
43Good
5:00 AM
💨
PM2.5 8.4 µg/m³
43Good
6:00 AM
💨
PM2.5 7.4 µg/m³
42Good
7:00 AM
💨
PM2.5 6.7 µg/m³
40Good
8:00 AM
💨
PM2.5 6.4 µg/m³
36Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
57
Sat
💨
Moderate · UV High
55
Mon
💨
Good · UV Moderate
37