Air Quality in Fallbrook, United States

Windy
32.1°C · 21.3% humidity
32.1°
Feels 32.1°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
54 10am
54
54
33 1pm
39
43
26 4pm
28
30
24 7pm
25
26
33 10pm
33
33
34 1am
34
34
34 4am
54
54
54 7am
54
54
AD 728×90

Air Quality Index Trend

48h · 1 stn

Fallbrook's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

21.3%
Humidity
44.3 km/h
Wind SSW
1008.3 hPa
Pressure
29.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
33
7.9 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.57.9 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX29.9
Extreme
AD 300×250
7.9
Median
7.9
Average
7.9
Low
7.9
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +3.0
07-21
32.1° 20.3°
07-22
31.0° 19.0°
07-23
31.6° 18.5°
0.06 mm
07-24
37.4° 18.8°
0.19 mm
07-25
33.1° 21.1°
0.31 mm
07-26
37.5° 17.3°
07-27
33.7° 19.1°
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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 2026-07-21T20:01 UTC.