Air Quality in Fallbrook, United States
Clear
30.1°C · 49.2% humidity
30.1°
Feels 33.0°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Fallbrook's air quality — share it
AQI Forecast
54
5am
54
54
28
8am
35
41
44
11am
47
49
50
2pm
51
52
53
5pm
53
53
54
8pm
54
54
54
11pm
54
54
54
2am
54
54
Air Quality Index Trend
44h · 2 stnFallbrook's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
49.2%
Humidity
13.8 km/h
Wind WSW
1015.6 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
6.7 µg/m³
PM10▲
34.3 µg/m³
050100150200300500
What is the weather forecast for Fallbrook?
Temperature & Precipitation
PM2.5 Trend
44h · 2 stationsPM2.56.7 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (1 station within 25 km)
6.7
Median
6.7
Average
6.7
Low
6.7
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +6.8
What is the 7-day forecast for Fallbrook?
09-05
30.1° 17.4°
09-06
33.0° 19.3°
09-07
34.3° 20.1°
09-08
34.5° 14.1°
1.94 mm
09-09
36.2° 17.7°
09-10
32.4° 11.3°
09-11
39.3° 19.1°
Both models agree
Avg diff: 5.1°C
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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 2026-09-05T15:49 UTC.