Air Quality in Fremont, United States
Windy
8.9°C · 64.6% humidity
8.9°
Feels 4.3°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
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Air Quality Index Trend
30h · 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.
64.6%
Humidity
44.2 km/h
Wind ENE
1026.2 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.1 µg/m³
PM10▲
27.4 µg/m³
050100150200300500
What is the weather forecast for Fremont?
Temperature & Precipitation
PM2.5 Trend
30h · 1 stationPM2.54.1 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.0
Low
What is the 7-day forecast for Fremont?
10-20
9.3° 4.5°
0.69 mm
10-21
22.3° 7.7°
10-22
21.7° 6.0°
10-23
16.5° 4.5°
0.75 mm
10-24
20.8° 7.2°
10-25
12.3° 4.4°
0.25 mm
10-26
11.3° 7.4°
0.62 mm
Both models agree
Avg diff: 4.2°C
What cities are near Fremont?
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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 2026-10-20T21:05 UTC.