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
AD 728×90

Air Quality Index Trend

45h · 6 stn

San 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▲
26
6.34 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for San Juan Capistrano?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations
PM2.56.34 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Both models agree Avg diff: 3.3°C

Where are air quality stations near San Juan Capistrano?

22
Monroe Elementary
30.1 km PM2.5: 5.3 µg/m³

What cities are near San Juan Capistrano?

27 Laguna Niguel 26 Dana Point 27 Ladera Ranch 30 Aliso Viejo 27 San Clemente 30 Mission Viejo 30 Laguna Beach 30 Laguna Hills 30 Laguna Woods 30 Lake Forest
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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.