What is the air quality in Fullerton today?

The current Air Quality Index (AQI) in Fullerton is 26 (Good). PM2.5 concentration is 6.16 µg/m³.

What is the temperature in Fullerton right now?

The current temperature in Fullerton is 25.5°C (feels like 25.5°C). Humidity is 50.0% and wind speed is 46.7 km/h.

Is it safe to go outside in Fullerton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in Fullerton, United States

Windy

25.5°C · 50.0% humidity

25.5°

Feels 25.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

54 7am

26 10am

44 1pm

50 4pm

53 7pm

53 10pm

54 1am

54 4am

Air Quality Index Trend

48h · 2 stn

View full history →

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

50.0%

Humidity

46.7 km/h

Wind SSW

1008.8 hPa

Pressure

9.4

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.16 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Fullerton?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations

PM2.56.16 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX9.4

Very High

Station readings (1 station within 25 km)

6.16

Median

6.16

Average

6.16

Low

6.16

High

PM2.5 µg/m³ · Model: 10.85 · Bias: +4.7

What is the 7-day forecast for Fullerton?

07-21

26.2° 22.3°

07-22

24.9° 21.6°

07-23

24.9° 20.9°

07-24

30.0° 22.1°

07-25

26.7° 21.8°

07-26

28.7° 21.1°

07-27

28.0° 22.1°

Both models agree Avg diff: 2.0°C

Where are air quality stations near Fullerton?

Davis Elementary

13.8 km PM2.5: 2.7 µg/m³

Villa Intermediate

15.8 km PM2.5: 2.7 µg/m³

Kennedy Elementary

16.6 km PM2.5: 4.8 µg/m³

Century High School

17.1 km PM2.5: 6.2 µg/m³

Monroe Elementary

18.3 km PM2.5: 2.0 µg/m³

Elizabeth Learning Ctr (3548)

26.0 km PM2.5: 9.2 µg/m³

Bryson ES (2589)

26.0 km PM2.5: 8.8 µg/m³

Maywood ES

27.5 km PM2.5: 9.0 µg/m³

Garfield HS/Monterey CHS (8677)

27.8 km PM2.5: 9.9 µg/m³

Rowan ES (6425)

29.9 km PM2.5: 8.9 µg/m³

What cities are near Fullerton?

26 Anaheim 26 Placentia 26 Brea 36 Buena Park 37 La Habra 38 La Mirada 33 Stanton 26 Yorba Linda 26 Garden Grove 37 La Palma

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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 2026-07-21T17:12 UTC.