Air Quality in Fremont, United States
Windy
33.1°C · 37.3% humidity
33.1°
Feels 33.1°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Fremont's air quality — share it
AQI Forecast
27
12pm
27
27
33
3pm
31
30
29
6pm
29
28
28
9pm
28
27
27
12am
27
27
27
3am
27
27
25
6am
25
27
27
9am
27
27
Air Quality Index Trend
37h · 2 stnFremont's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
37.3%
Humidity
71.4 km/h
Wind SSW
1015.9 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.95 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fremont?
Temperature & Precipitation
PM2.5 Trend
37h · 2 stationsPM2.57.95 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Fremont?
05-29
33.1° 6.9°
05-30
21.0° 16.4°
11.94 mm
05-31
28.6° 10.9°
2.06 mm
06-01
29.3° 15.4°
11.69 mm
06-02
29.1° 16.5°
0.5 mm
06-03
31.4° 21.8°
4.81 mm
06-04
24.7° 16.9°
6.94 mm
Both models agree
Avg diff: 4.2°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T20:10 UTC.