Air quality in Welch
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
5 µg/m³
WHO guideline 15
PM10
5.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 PM
💨
PM2.5 5 µg/m³
47Good
7:00 PM
💨
PM2.5 5.9 µg/m³
42Good
8:00 PM
💨
PM2.5 7.4 µg/m³
38Good
9:00 PM
💨
PM2.5 8.7 µg/m³
36Good
10:00 PM
💨
PM2.5 9 µg/m³
38Good
11:00 PM
💨
PM2.5 8.1 µg/m³
35Good
12:00 AM
💨
PM2.5 6.8 µg/m³
37Good
1:00 AM
💨
PM2.5 6 µg/m³
42Good
2:00 AM
💨
PM2.5 5.8 µg/m³
44Good
3:00 AM
💨
PM2.5 5.7 µg/m³
45Good
4:00 AM
💨
PM2.5 5.7 µg/m³
45Good
5:00 AM
💨
PM2.5 5.7 µg/m³
44Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV Very high
61
Sun
💨
Moderate · UV Very high
76
Mon
💨
Moderate · UV Very high
71
Tue
💨
Moderate · UV Very high
68
Wed
💨
Moderate · UV Very high
66