Air Quality in Fremont, United States
Partly Cloudy
18.8°C · 51.7% humidity
18.8°
Feels 18.8°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Fremont's air quality — share it
AQI Forecast
25
7am
25
25
32
10am
30
29
28
1pm
27
26
26
4pm
26
25
25
7pm
25
27
27
10pm
27
25
25
1am
25
25
25
4am
25
25
Air Quality Index Trend
40h · 1 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.
51.7%
Humidity
38.7 km/h
Wind NNE
1022.1 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.64 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fremont?
Temperature & Precipitation
PM2.5 Trend
40h · 1 stationPM2.57.64 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for Fremont?
09-05
36.3° 18.8°
0.81 mm
09-06
38.2° 12.2°
0.06 mm
09-07
29.7° 18.7°
3.56 mm
09-08
28.2° 18.9°
0.06 mm
09-09
36.1° 20.1°
09-10
32.1° 14.4°
32.63 mm
09-11
29.6° 16.1°
0.94 mm
Both models agree
Avg diff: 6.4°C
What cities are near Fremont?
Get AQI alerts for Fremont
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:49 UTC.