Air quality in Meriden
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
4.9 µg/m³
WHO guideline 15
PM10
4.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 PM
💨
PM2.5 4.9 µg/m³
68Moderate
3:00 PM
💨
PM2.5 5.3 µg/m³
75Moderate
4:00 PM
💨
PM2.5 6.1 µg/m³
83Moderate
5:00 PM
💨
PM2.5 7.1 µg/m³
86Moderate
6:00 PM
💨
PM2.5 8.6 µg/m³
80Moderate
7:00 PM
💨
PM2.5 10.7 µg/m³
66Moderate
8:00 PM
💨
PM2.5 14.1 µg/m³
55Moderate
9:00 PM
💨
PM2.5 15.8 µg/m³
59Moderate
10:00 PM
💨
PM2.5 15.9 µg/m³
59Moderate
11:00 PM
💨
PM2.5 16.1 µg/m³
59Moderate
12:00 AM
💨
PM2.5 15.6 µg/m³
58Moderate
1:00 AM
💨
PM2.5 14.4 µg/m³
56Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
86
Thu
💨
Moderate · UV High
69
Fri
💨
Moderate · UV High
76
Sat
💨
Moderate · UV Moderate
57