Air quality in Mason City
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
6.4 µg/m³
WHO guideline 15
PM10
6.4 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
8:00 AM
💨
PM2.5 6.4 µg/m³
27 Good
9:00 AM
💨
PM2.5 6.3 µg/m³
26 Good
10:00 AM
💨
PM2.5 6 µg/m³
25 Good
11:00 AM
💨
PM2.5 5.7 µg/m³
24 Good
12:00 PM
💨
PM2.5 5.5 µg/m³
25 Good
1:00 PM
💨
PM2.5 5.1 µg/m³
29 Good
2:00 PM
💨
PM2.5 4.5 µg/m³
33 Good
3:00 PM
💨
PM2.5 4.1 µg/m³
35 Good
4:00 PM
💨
PM2.5 4.4 µg/m³
36 Good
5:00 PM
💨
PM2.5 4.8 µg/m³
34 Good
6:00 PM
💨
PM2.5 5.4 µg/m³
29 Good
7:00 PM
💨
PM2.5 6.7 µg/m³
28 Good
Next few days daily max · US EPA AQI
Mon
💨
Good · UV Moderate
36
Tue
💨
Good · UV Moderate
45
Wed
💨
Moderate · UV Moderate
55
Thu
💨
Moderate · UV Moderate
60
Fri
💨
Moderate · UV Moderate
72
JavaScript is needed for the map — the city links below work without it.
Precip NEXRAD · NOAA Temp Wind Clouds Terrain