What is the air quality in Rancho Santa Margarita today?

The current Air Quality Index (AQI) in Rancho Santa Margarita is 41 (Good). PM2.5 concentration is 9.89 µg/m³.

What is the temperature in Rancho Santa Margarita right now?

The current temperature in Rancho Santa Margarita is 19.9°C (feels like 19.9°C). Humidity is 49.7% and wind speed is 82.0 km/h.

Is it safe to go outside in Rancho Santa Margarita?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Rancho Santa Margarita, United States

Windy

19.9°C · 49.7% humidity

19.9°

Feels 19.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast Calibrated

49 7pm

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Station readings

CAMS model adj -1

PM2.5 Trend (24h)

23h · 9 stations

49.7%

Humidity

82.0 km/h

Wind WSW

1011.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Rancho Santa Margarita?

Temperature & Precipitation

PM2.59.89 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

9.89

Median

9.89

Average

9.89

Low

9.89

High

PM2.5 µg/m³ · Model: 8.9 · Bias: -1.0

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

04-09

23.1° 15.7°

04-10

19.9° 13.9°

14.63 mm

04-11

17.4° 12.8°

20.94 mm

04-12

16.2° 12.0°

0.88 mm

04-13

17.1° 11.6°

0.13 mm

04-14

22.1° 12.8°

04-15

24.0° 16.7°

Both models agree Avg diff: 3.2°C

Where are air quality stations near Rancho Santa Margarita?

Century High School

24.8 km PM2.5: 9.9 µg/m³

Kennedy Elementary

25.4 km PM2.5: 10.0 µg/m³

Monroe Elementary

25.4 km PM2.5: 9.4 µg/m³

Villa Intermediate

25.4 km PM2.5: 10.4 µg/m³

Davis Elementary

27.4 km PM2.5: 9.2 µg/m³

What cities are near Rancho Santa Margarita?

41 Mission Viejo 41 Lake Forest 28 Ladera Ranch 41 Laguna Hills 41 Laguna Woods 41 Aliso Viejo 41 Stonegate 28 Laguna Niguel 21 San Juan Capistrano 41 Northwood

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:29 UTC.