Air quality in Ludlow
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
10.6 µg/m³
WHO guideline 15
PM10
10.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 10.6 µg/m³
44Good
3:00 AM
💨
PM2.5 10 µg/m³
42Good
4:00 AM
💨
PM2.5 9.4 µg/m³
39Good
5:00 AM
💨
PM2.5 9.2 µg/m³
38Good
6:00 AM
💨
PM2.5 9.3 µg/m³
39Good
7:00 AM
💨
PM2.5 9.8 µg/m³
41Good
8:00 AM
💨
PM2.5 10.3 µg/m³
43Good
9:00 AM
💨
PM2.5 8.8 µg/m³
37Good
10:00 AM
💨
PM2.5 6.4 µg/m³
34Good
11:00 AM
💨
PM2.5 5.8 µg/m³
42Good
12:00 PM
💨
PM2.5 5.3 µg/m³
45Good
1:00 PM
💨
PM2.5 4.7 µg/m³
46Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV High
52
Wed
💨
Moderate · UV High
91
Thu
💨
Moderate · UV High
71
Fri
💨
Unhealthy for Sensitive Groups · UV High
117
Sat
💨
Moderate · UV High
62