Air Quality in Fullerton, United States

Windy
24.9°C · 45.2% humidity
24.9°
Feels 24.9°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
34 11am
34
54
15 2pm
26
34
40 5pm
24
27
49 8pm
50
51
52 11pm
53
53
53 2am
53
54
54 5am
54
54
54 8am
54
54
AD 728×90

Air Quality Index Trend

48h · 2 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.

45.2%
Humidity
52.3 km/h
Wind SW
1011.9 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
15
3.73 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Fullerton?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.53.73 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
3.73
Median
3.79
Average
3.02
Low
4.17
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +6.3

What is the 7-day forecast for Fullerton?

05-28
22.4° 16.7°
05-29
24.9° 17.8°
05-30
20.5° 16.6°
05-31
23.2° 18.6°
06-01
23.1° 18.2°
06-02
24.1° 16.0°
06-03
22.8° 16.3°
Both models agree Avg diff: 1.8°C

Where are air quality stations near Fullerton?

12
Davis Elementary
13.8 km PM2.5: 3.0 µg/m³
18
Villa Intermediate
15.8 km PM2.5: 4.2 µg/m³
16
Kennedy Elementary
16.6 km PM2.5: 3.8 µg/m³
17
Century High School
17.1 km PM2.5: 4.1 µg/m³
16
Monroe Elementary
18.3 km PM2.5: 3.9 µg/m³
24
Elizabeth Learning Ctr (3548)
26.0 km PM2.5: 5.8 µg/m³
25
Bryson ES (2589)
26.0 km PM2.5: 5.9 µg/m³
23
Maywood ES
27.5 km PM2.5: 5.5 µg/m³
27
Garfield HS/Monterey CHS (8677)
27.8 km PM2.5: 6.4 µg/m³
23
Rowan ES (6425)
29.9 km PM2.5: 5.5 µg/m³

What cities are near Fullerton?

15 Anaheim 15 Placentia 16 Brea 21 Buena Park 21 La Habra 23 La Mirada 18 Stanton 16 Yorba Linda 15 Garden Grove 22 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 2026-05-28T21:46 UTC.