New York, NY 19° Los Angeles, CA 21° Chicago, IL 20° Houston, TX 24° Miami, FL 29° Phoenix, AZ 32° Seattle, WA 13° Denver, CO 23° Toronto, ON 17° Vancouver, BC 14°
WeatherLiveCaliforniaSleepy HollowAir Quality

Sleepy Hollow, CA Air Quality

← Sleepy Hollow

Air quality in Sleepy Hollow

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.

US AQI · EPA
31
Good
PM2.5
7.5 µg/m³
WHO guideline 15
PM10
11.7 µg/m³
WHO guideline 45
NO₂ · O₃
1 · 48
µg/m³

Hour by hour (12h)

US EPA AQI
9:00 AM 💨 PM2.5 7.5 µg/m³
31Good
10:00 AM 💨 PM2.5 7.8 µg/m³
33Good
11:00 AM 💨 PM2.5 8 µg/m³
33Good
12:00 PM 💨 PM2.5 8.5 µg/m³
35Good
1:00 PM 💨 PM2.5 8.8 µg/m³
37Good
2:00 PM 💨 PM2.5 9.3 µg/m³
39Good
3:00 PM 💨 PM2.5 9.6 µg/m³
40Good
4:00 PM 💨 PM2.5 9.4 µg/m³
39Good
5:00 PM 💨 PM2.5 9.3 µg/m³
39Good
6:00 PM 💨 PM2.5 9.3 µg/m³
39Good
7:00 PM 💨 PM2.5 8.8 µg/m³
37Good
8:00 PM 💨 PM2.5 8.6 µg/m³
36Good

Next few days

daily max · US EPA AQI
Sat 💨 Good · UV High
40
Sun 💨 Good · UV High
43
Mon 💨 Moderate · UV High
54
Tue 💨 Good · UV High
43
Wed 💨 Good · UV Moderate
38
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:38 AM