Air quality in Mount Vernon
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
6.2 µg/m³
WHO guideline 15
PM10
6.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 6.2 µg/m³
31Good
1:00 AM
💨
PM2.5 5.7 µg/m³
31Good
2:00 AM
💨
PM2.5 5.2 µg/m³
30Good
3:00 AM
💨
PM2.5 4.9 µg/m³
27Good
4:00 AM
💨
PM2.5 4.8 µg/m³
24Good
5:00 AM
💨
PM2.5 4.9 µg/m³
22Good
6:00 AM
💨
PM2.5 5.1 µg/m³
21Good
7:00 AM
💨
PM2.5 5.4 µg/m³
23Good
8:00 AM
💨
PM2.5 5.8 µg/m³
24Good
9:00 AM
💨
PM2.5 6.5 µg/m³
27Good
10:00 AM
💨
PM2.5 7.6 µg/m³
35Good
11:00 AM
💨
PM2.5 7.9 µg/m³
43Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Very high
55
Tue
💨
Moderate · UV Very high
65
Wed
💨
Moderate · UV High
65
Thu
💨
Moderate · UV Very high
90