Air quality in Florence
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
13.2 µg/m³
WHO guideline 15
PM10
14.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 13.2 µg/m³
53Moderate
1:00 AM
💨
PM2.5 13 µg/m³
53Moderate
2:00 AM
💨
PM2.5 12.5 µg/m³
52Moderate
3:00 AM
💨
PM2.5 11.6 µg/m³
48Good
4:00 AM
💨
PM2.5 10.8 µg/m³
45Good
5:00 AM
💨
PM2.5 10.1 µg/m³
42Good
6:00 AM
💨
PM2.5 9.5 µg/m³
40Good
7:00 AM
💨
PM2.5 9.2 µg/m³
38Good
8:00 AM
💨
PM2.5 9.3 µg/m³
39Good
9:00 AM
💨
PM2.5 9.9 µg/m³
41Good
10:00 AM
💨
PM2.5 9.3 µg/m³
43Good
11:00 AM
💨
PM2.5 8.5 µg/m³
55Moderate
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV Very high
90
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
110
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
124
Fri
💨
Moderate · UV Very high
93