Air quality in Houghton
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
2.1 µg/m³
WHO guideline 15
PM10
2.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 2.1 µg/m³
36Good
10:00 AM
💨
PM2.5 1.6 µg/m³
39Good
11:00 AM
💨
PM2.5 2 µg/m³
42Good
12:00 PM
💨
PM2.5 2.6 µg/m³
44Good
1:00 PM
💨
PM2.5 3 µg/m³
46Good
2:00 PM
💨
PM2.5 3.4 µg/m³
47Good
3:00 PM
💨
PM2.5 3.7 µg/m³
48Good
4:00 PM
💨
PM2.5 4 µg/m³
49Good
5:00 PM
💨
PM2.5 4.2 µg/m³
48Good
6:00 PM
💨
PM2.5 4.5 µg/m³
46Good
7:00 PM
💨
PM2.5 4.8 µg/m³
42Good
8:00 PM
💨
PM2.5 5.2 µg/m³
39Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
59
Sun
💨
Good · UV Moderate
36