Air Quality in Fullerton, United States

Windy
26.2°C · 54.9% humidity
26.2°
Feels 26.2°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
66 1pm
66
66
55 4pm
58
60
62 7pm
63
64
65 10pm
53
53
53 1am
54
54
54 4am
66
66
66 7am
54
66
66 10am
66
66
AD 728×90

Air Quality Index Trend

46h · 170 stn

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.

54.9%
Humidity
42.1 km/h
Wind S
1010.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
14.04 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Fullerton?

Temperature & Precipitation

PM2.5 Trend

46h · 170 stations
PM2.514.04 µg/m³ ✓ WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Fullerton?

08-03
26.8° 21.8°
08-04
27.2° 22.4°
08-05
29.1° 22.3°
08-06
28.0° 19.7°
08-07
26.0° 21.4°
08-08
26.2° 20.5°
08-09
24.8° 19.3°
Both models agree Avg diff: 2.0°C

Where are air quality stations near Fullerton?

55
Elizabeth Learning Ctr (3548)
26.0 km PM2.5: 14.1 µg/m³
55
Bryson ES (2589)
26.0 km PM2.5: 13.8 µg/m³
54
Maywood ES
27.5 km PM2.5: 13.6 µg/m³
57
Garfield HS/Monterey CHS (8677)
27.8 km PM2.5: 14.8 µg/m³
54
Rowan ES (6425)
29.9 km PM2.5: 13.5 µg/m³
54
Harrison ES (4438)
31.8 km PM2.5: 13.7 µg/m³
53
Sierra Park ES (6753)
32.5 km PM2.5: 13.1 µg/m³
55
Multnomah St ES (5425)
33.1 km PM2.5: 14.2 µg/m³
55
El Sereno ES (3562)
33.7 km PM2.5: 13.8 µg/m³

What cities are near Fullerton?

55 Anaheim 46 Placentia 58 Brea 74 Buena Park 75 La Habra 75 La Mirada 74 Stanton 51 Yorba Linda 46 Garden Grove 74 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 2026-08-07T23:56 UTC.