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
28.9 µg/m³
WHO guideline 15
PM10
29.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 AM
💨
PM2.5 28.9 µg/m³
86Moderate
6:00 AM
💨
PM2.5 28.6 µg/m³
86Moderate
7:00 AM
💨
PM2.5 28.1 µg/m³
85Moderate
8:00 AM
💨
PM2.5 24 µg/m³
76Moderate
9:00 AM
💨
PM2.5 23.9 µg/m³
76Moderate
10:00 AM
💨
PM2.5 19 µg/m³
66Moderate
11:00 AM
💨
PM2.5 14.1 µg/m³
55Moderate
12:00 PM
💨
PM2.5 12.8 µg/m³
52Moderate
1:00 PM
💨
PM2.5 12.8 µg/m³
52Moderate
2:00 PM
💨
PM2.5 12.9 µg/m³
53Moderate
3:00 PM
💨
PM2.5 12.8 µg/m³
53Moderate
4:00 PM
💨
PM2.5 12.5 µg/m³
61Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Moderate
88
Sat
💨
Moderate · UV Moderate
72
Sun
💨
Moderate · UV Moderate
60
Mon
💨
Moderate · UV Moderate
83
Tue
💨
Moderate · UV High
79