What is the air quality in Rancho Santa Margarita today?

The current Air Quality Index (AQI) in Rancho Santa Margarita is 22 (Good). PM2.5 concentration is 5.26 µg/m³.

What is the temperature in Rancho Santa Margarita right now?

The current temperature in Rancho Santa Margarita is 24.4°C (feels like 24.4°C). Humidity is 59.5% and wind speed is 42.6 km/h.

Is it safe to go outside in Rancho Santa Margarita?

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

Air Quality in Rancho Santa Margarita, United States

Windy

24.4°C · 59.5% humidity

24.4°

Feels 24.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

44h · 5 stn

View full history →

Rancho Santa Margarita's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

59.5%

Humidity

42.6 km/h

Wind SSW

1012.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.26 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Rancho Santa Margarita?

Temperature & Precipitation

PM2.5 Trend

44h · 5 stations

PM2.55.26 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Rancho Santa Margarita?

10-21

25.8° 18.2°

10-22

34.0° 19.8°

10-23

23.4° 19.6°

10-24

25.1° 17.1°

0.06 mm

10-25

29.7° 17.0°

0.06 mm

10-26

27.8° 18.1°

0.88 mm

10-27

25.2° 18.8°

0.5 mm

Both models agree Avg diff: 6.3°C

Where are air quality stations near Rancho Santa Margarita?

Century High School

24.8 km PM2.5: 7.0 µg/m³

Kennedy Elementary

25.4 km PM2.5: 4.8 µg/m³

Monroe Elementary

25.4 km PM2.5: 2.0 µg/m³

Villa Intermediate

25.4 km PM2.5: 2.7 µg/m³

Davis Elementary

27.4 km PM2.5: 2.7 µg/m³

What cities are near Rancho Santa Margarita?

23 Mission Viejo 23 Lake Forest 23 Ladera Ranch 24 Laguna Hills 25 Laguna Woods 25 Aliso Viejo 26 Stonegate 25 Laguna Niguel 24 San Juan Capistrano 27 Northwood

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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 2026-10-21T01:09 UTC.