Air quality in Logan
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
7.5 µg/m³
WHO guideline 15
PM10
7.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 7.5 µg/m³
50Good
2:00 PM
💨
PM2.5 7 µg/m³
48Good
3:00 PM
💨
PM2.5 6.7 µg/m³
51Moderate
4:00 PM
💨
PM2.5 6.4 µg/m³
51Moderate
5:00 PM
💨
PM2.5 6.3 µg/m³
50Good
6:00 PM
💨
PM2.5 6.4 µg/m³
45Good
7:00 PM
💨
PM2.5 8 µg/m³
39Good
8:00 PM
💨
PM2.5 9.8 µg/m³
41Good
9:00 PM
💨
PM2.5 10.2 µg/m³
43Good
10:00 PM
💨
PM2.5 9.7 µg/m³
40Good
11:00 PM
💨
PM2.5 9 µg/m³
38Good
12:00 AM
💨
PM2.5 8.2 µg/m³
34Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV Very high
67
Sun
💨
Moderate · UV Very high
73
Mon
💨
Moderate · UV Very high
96
Tue
💨
Moderate · UV Very high
88
Wed
💨
Moderate · UV Very high
81