Air Quality in Fullerton, United States

Windy
19.1°C · 56.2% humidity
19.1°
Feels 19.1°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
48 9pm
44
40
18 12am
42
42
42 3am
42
42
42 6am
42
42
42 9am
42
42
42 12pm
42
42
42 3pm
17
17
17 6pm
17
4
Station readings
48
44
40
18
CAMS model adj -33
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
50
50
50
50
37
AD 728×90

PM2.5 Trend (24h)

33h · 2 stations
56.2%
Humidity
82.6 km/h
Wind WSW
1011.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Fullerton?

Temperature & Precipitation

PM2.59.0 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
9.0
Median
8.97
Average
8.55
Low
9.64
High
PM2.5 µg/m³ · Model: 16.15 · Bias: +7.2

What is the 7-day forecast for Fullerton?

04-10
19.1° 15.9°
13.62 mm
04-11
18.2° 15.0°
15.12 mm
04-12
17.3° 13.6°
0.31 mm
04-13
17.4° 13.8°
0.06 mm
04-14
20.9° 15.4°
04-15
22.0° 17.9°
04-16
22.4° 17.7°
Both models agree Avg diff: 1.7°C

Where are air quality stations near Fullerton?

35
Davis Elementary
13.8 km PM2.5: 8.3 µg/m³
39
Villa Intermediate
15.8 km PM2.5: 9.4 µg/m³
36
Kennedy Elementary
16.6 km PM2.5: 8.7 µg/m³
37
Century High School
17.1 km PM2.5: 8.8 µg/m³
34
Monroe Elementary
18.3 km PM2.5: 8.2 µg/m³
45
Elizabeth Learning Ctr (3548)
26.0 km PM2.5: 10.7 µg/m³
42
Bryson ES (2589)
26.0 km PM2.5: 10.1 µg/m³
44
Maywood ES
27.5 km PM2.5: 10.5 µg/m³
48
Garfield HS/Monterey CHS (8677)
27.8 km PM2.5: 11.6 µg/m³
35
Rowan ES (6425)
29.9 km PM2.5: 8.4 µg/m³

What cities are near Fullerton?

38 Anaheim 38 Placentia 38 Brea 40 Buena Park 41 La Habra 41 La Mirada 36 Stanton 38 Yorba Linda 38 Garden Grove 37 La Palma

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:41 UTC.