Air quality in Saint Helen's Park
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
7.6 µg/m³
WHO guideline 15
PM10
10 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 7.6 µg/m³
32Good
11:00 AM
💨
PM2.5 5.3 µg/m³
30Good
12:00 PM
💨
PM2.5 4.5 µg/m³
33Good
1:00 PM
💨
PM2.5 3.9 µg/m³
34Good
2:00 PM
💨
PM2.5 3.8 µg/m³
35Good
3:00 PM
💨
PM2.5 4.2 µg/m³
36Good
4:00 PM
💨
PM2.5 4.3 µg/m³
37Good
5:00 PM
💨
PM2.5 4.5 µg/m³
35Good
6:00 PM
💨
PM2.5 5 µg/m³
31Good
7:00 PM
💨
PM2.5 6.6 µg/m³
28Good
8:00 PM
💨
PM2.5 11.1 µg/m³
46Good
9:00 PM
💨
PM2.5 17 µg/m³
61Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Moderate
77
Fri
💨
Moderate · UV Moderate
88
Sat
💨
Moderate · UV Low
95
Sun
💨
Unhealthy for Sensitive Groups · UV Moderate
118
Mon
💨
Unhealthy for Sensitive Groups · UV High
129