Air Quality in Fullerton, United States
Windy
19.4°C · 64.7% humidity
19.4°
Feels 19.4°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
52
5pm
51
23
47
8pm
47
47
47
11pm
47
47
47
2am
47
47
47
5am
47
47
47
8am
47
47
47
11am
47
47
47
2pm
47
22
Station readings
52
51
23
CAMS model
adj -28
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
50
PM2.5 Trend (24h)
32h · 2 stations64.7%
Humidity
62.6 km/h
Wind SSW
1013.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Fullerton?
Temperature & Precipitation
PM2.59.55 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (5 stations within 25 km)
9.55
Median
9.6
Average
9.17
Low
10.03
High
PM2.5 µg/m³ · Model: 8.9 · Bias: -0.6
What is the 7-day forecast for Fullerton?
04-09
20.8° 16.9°
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°
Both models agree
Avg diff: 1.7°C
Where are air quality stations near Fullerton?
38
Davis Elementary
41
Villa Intermediate
41
Kennedy Elementary
40
Century High School
39
Monroe Elementary
50
Elizabeth Learning Ctr (3548)
46
Bryson ES (2589)
48
Maywood ES
52
Garfield HS/Monterey CHS (8677)
51
Rowan ES (6425)
What cities are near Fullerton?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:16 UTC.