What is the air quality in San Juan Capistrano today?

The current Air Quality Index (AQI) in San Juan Capistrano is 26 (Good). PM2.5 concentration is 6.24 µg/m³.

What is the temperature in San Juan Capistrano right now?

The current temperature in San Juan Capistrano is 21.6°C (feels like 21.6°C). Humidity is 79.9% and wind speed is 39.6 km/h.

Is it safe to go outside in San Juan Capistrano?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in San Juan Capistrano, United States

Cloudy

21.6°C · 79.9% humidity

21.6°

Feels 21.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 1 stn

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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.

79.9%

Humidity

39.6 km/h

Wind S

1012.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.24 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for San Juan Capistrano?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station

PM2.56.24 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

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

10-21

22.8° 19.9°

10-22

28.1° 21.0°

10-23

22.6° 19.9°

10-24

21.9° 18.9°

0.13 mm

10-25

25.8° 18.0°

0.13 mm

10-26

23.4° 17.8°

0.62 mm

10-27

23.0° 19.1°

2.94 mm

Both models agree Avg diff: 4.8°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?

26 Laguna Niguel 27 Dana Point 25 Ladera Ranch 26 Aliso Viejo 27 San Clemente 25 Mission Viejo 27 Laguna Beach 25 Laguna Hills 26 Laguna Woods 25 Lake Forest

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T00:40 UTC.