Air quality in Randolph
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
0.8 µg/m³
WHO guideline 15
PM10
0.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 AM
💨
PM2.5 0.8 µg/m³
23Good
6:00 AM
💨
PM2.5 0.7 µg/m³
22Good
7:00 AM
💨
PM2.5 0.7 µg/m³
23Good
8:00 AM
💨
PM2.5 0.8 µg/m³
26Good
9:00 AM
💨
PM2.5 1 µg/m³
32Good
10:00 AM
💨
PM2.5 1.6 µg/m³
37Good
11:00 AM
💨
PM2.5 2.7 µg/m³
42Good
12:00 PM
💨
PM2.5 3.3 µg/m³
45Good
1:00 PM
💨
PM2.5 3.8 µg/m³
48Good
2:00 PM
💨
PM2.5 4.3 µg/m³
48Good
3:00 PM
💨
PM2.5 5 µg/m³
51Moderate
4:00 PM
💨
PM2.5 5.7 µg/m³
50Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV Moderate
51
Thu
💨
Moderate · UV High
63