Air quality in Quincy
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
6.3 µg/m³
WHO guideline 15
PM10
6.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 PM
💨
PM2.5 6.3 µg/m³
40Good
7:00 PM
💨
PM2.5 5.2 µg/m³
35Good
8:00 PM
💨
PM2.5 4.3 µg/m³
31Good
9:00 PM
💨
PM2.5 4.4 µg/m³
27Good
10:00 PM
💨
PM2.5 4.3 µg/m³
25Good
11:00 PM
💨
PM2.5 4.4 µg/m³
22Good
12:00 AM
💨
PM2.5 4.6 µg/m³
20Good
1:00 AM
💨
PM2.5 4.7 µg/m³
20Good
2:00 AM
💨
PM2.5 4.6 µg/m³
19Good
3:00 AM
💨
PM2.5 4.3 µg/m³
18Good
4:00 AM
💨
PM2.5 4.2 µg/m³
18Good
5:00 AM
💨
PM2.5 4 µg/m³
17Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
61