What is the air quality in San Juan Capistrano today?

The current Air Quality Index (AQI) in San Juan Capistrano is 34 (Good). PM2.5 concentration is 8.18 µg/m³.

What is the temperature in San Juan Capistrano right now?

The current temperature in San Juan Capistrano is 24.3°C (feels like 24.3°C). Humidity is 81.3% and wind speed is 43.2 km/h.

Is it safe to go outside in San Juan Capistrano?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 6.9 (High).

Air Quality in San Juan Capistrano, United States

Windy

24.3°C · 81.3% humidity

24.3°

Feels 24.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

66 6am

34 9am

47 12pm

51 3pm

53 6pm

54 9pm

54 12am

54 3am

Air Quality Index Trend

45h · 3 stn

View full history →

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.

81.3%

Humidity

43.2 km/h

Wind W

1016.1 hPa

Pressure

6.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

8.18 µg/m³

PM10▲

48.05 µg/m³

050100150200300500

What is the weather forecast for San Juan Capistrano?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations

PM2.58.18 µg/m³ ✓ WHO

Good

PM1048.05 µg/m³

Good

UV INDEX6.9

High

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

09-05

24.3° 21.7°

09-06

26.0° 20.4°

09-07

24.9° 22.6°

09-08

25.2° 19.5°

1.81 mm

09-09

25.7° 20.6°

09-10

24.6° 18.6°

09-11

27.4° 20.5°

Both models agree Avg diff: 3.8°C

Where are air quality stations near San Juan Capistrano?

Monroe Elementary

30.1 km PM2.5: 2.0 µg/m³

What cities are near San Juan Capistrano?

42 Laguna Niguel 34 Dana Point 34 Ladera Ranch 42 Aliso Viejo 34 San Clemente 34 Mission Viejo 42 Laguna Beach 42 Laguna Hills 42 Laguna Woods 34 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 2026-09-05T16:42 UTC.