What is the air quality in Fullerton today?

The current Air Quality Index (AQI) in Fullerton is 38 (Good). PM2.5 concentration is 9.24 µg/m³.

What is the temperature in Fullerton right now?

The current temperature in Fullerton is 28.5°C (feels like 28.5°C). Humidity is 32.2% and wind speed is 20.5 km/h.

Is it safe to go outside in Fullerton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Fullerton, United States

Clear

28.5°C · 32.2% humidity

28.5°

Feels 28.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 165 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.

32.2%

Humidity

20.5 km/h

Wind SW

1015.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.24 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Fullerton?

Temperature & Precipitation

PM2.5 Trend

45h · 165 stations

PM2.59.24 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Fullerton?

10-20

28.5° 22.3°

10-21

24.7° 20.7°

10-22

31.7° 21.4°

10-23

23.6° 21.3°

10-24

23.5° 19.6°

0.13 mm

10-25

28.7° 18.2°

0.06 mm

10-26

25.5° 19.8°

1.37 mm

Both models agree Avg diff: 4.6°C

Where are air quality stations near Fullerton?

Elizabeth Learning Ctr (3548)

26.0 km PM2.5: 9.4 µg/m³

Bryson ES (2589)

26.0 km PM2.5: 8.4 µg/m³

Maywood ES

27.5 km PM2.5: 9.4 µg/m³

Garfield HS/Monterey CHS (8677)

27.8 km PM2.5: 9.9 µg/m³

Rowan ES (6425)

29.9 km PM2.5: 8.6 µg/m³

Harrison ES (4438)

31.8 km PM2.5: 9.2 µg/m³

Sierra Park ES (6753)

32.5 km PM2.5: 9.9 µg/m³

Multnomah St ES (5425)

33.1 km PM2.5: 9.7 µg/m³

El Sereno ES (3562)

33.7 km PM2.5: 10.3 µg/m³

What cities are near Fullerton?

38 Anaheim 38 Placentia 39 Brea 38 Buena Park 40 La Habra 39 La Mirada 36 Stanton 39 Yorba Linda 38 Garden Grove 38 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 2026-10-20T20:05 UTC.