Air Quality in Fremont, United States
Windy
28.3°C · 40.6% humidity
28.3°
Feels 29.5°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Fremont's air quality — share it
AQI Forecast
25
10pm
25
25
20
1am
21
22
23
4am
24
24
24
7am
24
24
24
10am
24
24
25
1pm
25
25
25
4pm
27
27
27
7pm
25
25
Air Quality Index Trend
35h · 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.
40.6%
Humidity
41.7 km/h
Wind SE
1018.3 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fremont?
Temperature & Precipitation
PM2.5 Trend
35h · 2 stationsPM2.54.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for Fremont?
08-03
30.1° 16.4°
1.0 mm
08-04
39.3° 11.3°
08-05
38.0° 15.1°
3.31 mm
08-06
44.1° 19.8°
2.19 mm
08-07
28.9° 16.8°
1.81 mm
08-08
44.4° 15.7°
0.94 mm
08-09
39.5° 23.6°
0.75 mm
Both models agree
Avg diff: 6.0°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 2026-08-08T06:30 UTC.