Air Quality in San Jose, United States
Partly Cloudy
13.4°C · 60.4% humidity
13.4°
Feels 13.4°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
34
6pm
34
34
29
9pm
30
31
32
12am
33
33
33
3am
27
27
27
6am
27
27
25
9am
25
25
24
12pm
24
24
24
3pm
24
24
Air Quality Index Trend
45h · 81 stnSan Jose's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
60.4%
Humidity
19.7 km/h
Wind WSW
1017.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for San Jose?
Temperature & Precipitation
PM2.5 Trend
45h · 81 stationsPM2.57.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for San Jose?
06-09
21.9° 13.0°
06-10
28.4° 15.5°
06-11
31.2° 18.3°
06-12
27.4° 15.0°
06-13
24.2° 12.3°
06-14
26.9° 15.8°
06-15
25.0° 14.0°
Both models agree
Avg diff: 4.2°C
Where are air quality stations near San Jose?
30
San Jose - Jackson St, Santa Clara, California
15
Cristo Rey Jesuit High School
23
San Jose-Knox Avenue, Santa Clara, California
40
San Jose-Knox Avenue, Santa Clara, California
14
Cupertino City Hall
16
JFK Middle School
13
Environment Education Center
14
N Foothhill Blvd
15
Acterra!
13
Berkeley-Palo Alto
What cities are near San Jose?
Get AQI alerts for San Jose
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T04:00 UTC.