New York, NY 65° Los Angeles, CA 73° Chicago, IL 62° Houston, TX 74° Miami, FL 86° Phoenix, AZ 87° Seattle, WA 59° Denver, CO 65° Toronto, ON 56° Vancouver, BC 58°
WeatherLive › California › Santa Clara › Air Quality

Santa Clara, CA Air Quality

← Santa Clara

Air quality in Santa Clara

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
60
Moderate
PM2.5
16.6 µg/m³
WHO guideline 15
PM10
23.9 µg/m³
WHO guideline 45
NO₂ · O₃
8 · 77
µg/m³

Hour by hour (12h)

US EPA AQI
10:00 AM 💨 PM2.5 16.6 µg/m³
60Moderate
11:00 AM 💨 PM2.5 15.6 µg/m³
58Moderate
12:00 PM 💨 PM2.5 15.2 µg/m³
58Moderate
1:00 PM 💨 PM2.5 14.9 µg/m³
57Moderate
2:00 PM 💨 PM2.5 14.7 µg/m³
60Moderate
3:00 PM 💨 PM2.5 14.6 µg/m³
61Moderate
4:00 PM 💨 PM2.5 14.4 µg/m³
58Moderate
5:00 PM 💨 PM2.5 14.5 µg/m³
56Moderate
6:00 PM 💨 PM2.5 14.5 µg/m³
56Moderate
7:00 PM 💨 PM2.5 14.6 µg/m³
56Moderate
8:00 PM 💨 PM2.5 14.8 µg/m³
57Moderate
9:00 PM 💨 PM2.5 14.8 µg/m³
57Moderate

Next few days

daily max · US EPA AQI
Fri 💨 Moderate · UV Moderate
70
Sat 💨 Moderate · UV Moderate
56
Sun 💨 Moderate · UV Moderate
63
Mon 💨 Moderate · UV Moderate
60
Tue 💨 Moderate · UV High
55

Weather map — Santa Clara

Santa Clara →
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:47 AM