Air quality in Woodside
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
18 µg/m³
WHO guideline 15
PM10
20.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 18 µg/m³
63Moderate
1:00 AM
💨
PM2.5 19.2 µg/m³
66Moderate
2:00 AM
💨
PM2.5 19.5 µg/m³
67Moderate
3:00 AM
💨
PM2.5 19.4 µg/m³
66Moderate
4:00 AM
💨
PM2.5 18.7 µg/m³
65Moderate
5:00 AM
💨
PM2.5 19.7 µg/m³
67Moderate
6:00 AM
💨
PM2.5 20.7 µg/m³
69Moderate
7:00 AM
💨
PM2.5 21.9 µg/m³
72Moderate
8:00 AM
💨
PM2.5 21.9 µg/m³
72Moderate
9:00 AM
💨
PM2.5 19.6 µg/m³
67Moderate
10:00 AM
💨
PM2.5 19.6 µg/m³
67Moderate
11:00 AM
💨
PM2.5 20.5 µg/m³
104Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Tue
💨
Unhealthy · UV High
156
Wed
💨
Moderate · UV Low
51
Thu
💨
Moderate · UV Moderate
61
Fri
💨
Moderate · UV High
61