What is the air quality in Fremont today?

The current Air Quality Index (AQI) in Fremont is 39 (Good). PM2.5 concentration is 9.26 µg/m³.

What is the temperature in Fremont right now?

The current temperature in Fremont is 31.4°C (feels like 34.2°C). Humidity is 45.0% and wind speed is 52.7 km/h.

Is it safe to go outside in Fremont?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 24.9 (Extreme).

Air Quality in Fremont, United States

Windy

31.4°C · 45.0% humidity

31.4°

Feels 34.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 12pm

39 3pm

30 6pm

27 9pm

25 12am

24 3am

24 6am

25 9am

Air Quality Index Trend

21h · 2 stn

View full history →

Fremont's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

45.0%

Humidity

52.7 km/h

Wind SE

1012.4 hPa

Pressure

24.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.26 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Fremont?

Temperature & Precipitation

PM2.5 Trend

21h · 2 stations

PM2.59.26 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX24.9

Extreme

What is the 7-day forecast for Fremont?

07-21

31.4° 21.8°

7.25 mm

07-22

33.4° 18.6°

0.19 mm

07-23

28.6° 18.0°

07-24

35.6° 16.5°

0.13 mm

07-25

31.8° 18.5°

0.25 mm

07-26

34.6° 25.7°

07-27

37.3° 20.4°

Both models agree Avg diff: 4.6°C

What cities are near Fremont?

44 La Vista 38 Papillion 54 Omaha 51 Council Bluffs 34 Bellevue 63 Lincoln 25 Norfolk 30 Sioux City 26 Grand Island 38 Waukee

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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 2026-07-21T20:01 UTC.