Air Quality in San Juan Capistrano, United States

Windy
22.3°C · 74.7% humidity
22.3°
Feels 22.3°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
54 11pm
54
54
30 2am
34
34
54 5am
54
54
54 8am
54
54
54 11am
54
54
54 2pm
54
54
54 5pm
54
54
54 8pm
34
34
AD 728×90

Air Quality Index Trend

45h · 4 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.

74.7%
Humidity
40.3 km/h
Wind S
1010.5 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
30
7.12 µg/m³
PM10▲
38
41.15 µg/m³
050100150200300500

What is the weather forecast for San Juan Capistrano?

Temperature & Precipitation

PM2.5 Trend

45h · 4 stations
PM2.57.12 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for San Juan Capistrano?

08-03
22.8° 20.2°
08-04
23.8° 20.1°
08-05
24.6° 21.5°
08-06
23.8° 19.1°
08-07
22.8° 20.3°
08-08
23.3° 19.6°
08-09
22.4° 18.4°
Both models agree Avg diff: 3.3°C

Where are air quality stations near San Juan Capistrano?

8
Monroe Elementary
30.1 km PM2.5: 2.0 µg/m³

What cities are near San Juan Capistrano?

28 Laguna Niguel 28 Dana Point 31 Ladera Ranch 28 Aliso Viejo 31 San Clemente 30 Mission Viejo 28 Laguna Beach 28 Laguna Hills 28 Laguna Woods 29 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 2026-08-08T09:18 UTC.