Air Quality in San Juan Capistrano, United States
Cloudy
18.9°C · 74.1% humidity
18.9°
Feels 18.9°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
34
6pm
34
34
26
9pm
28
23
24
12am
25
25
26
3am
26
26
27
6am
27
34
34
9am
34
34
34
12pm
34
34
34
3pm
34
34
Air Quality Index Trend
45h · 6 stnSan Juan Capistrano's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
74.1%
Humidity
34.2 km/h
Wind SSE
1009.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.34 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for San Juan Capistrano?
Temperature & Precipitation
PM2.5 Trend
45h · 6 stationsPM2.56.34 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Both models agree
Avg diff: 3.3°C
Where are air quality stations near San Juan Capistrano?
What cities are near San Juan Capistrano?
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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 2026-06-09T04:02 UTC.