Air Quality in Fallbrook, United States
Windy
30.3°C · 15.9% humidity
30.3°
Feels 30.3°
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Fallbrook's air quality — share it
AQI Forecast
34
8am
34
34
8
11am
15
41
24
2pm
27
29
30
5pm
22
23
24
8pm
26
26
27
11pm
34
34
34
2am
34
34
34
5am
34
34
Air Quality Index Trend
39h · 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.
15.9%
Humidity
44.1 km/h
Wind SSW
1013.5 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
1.9 µg/m³
PM10▲
27.4 µg/m³
050100150200300500
What is the weather forecast for Fallbrook?
Temperature & Precipitation
PM2.5 Trend
39h · 2 stationsPM2.51.9 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (1 station within 25 km)
1.9
Median
1.9
Average
1.9
Low
1.9
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +5.4
What is the 7-day forecast for Fallbrook?
05-29
30.3° 12.0°
05-30
22.3° 9.8°
05-31
27.2° 14.3°
06-01
30.3° 12.0°
06-02
30.8° 7.8°
06-03
27.3° 7.8°
06-04
27.7° 10.0°
Both models agree
Avg diff: 2.8°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 2026-05-29T18:30 UTC.