Air Quality in Rancho Santa Margarita, United States

Clear
30.2°C · 37.4% humidity
30.2°
Feels 30.2°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
34 3pm
34
34
34 6pm
40
44
47 9pm
49
50
51 12am
52
33
33 3am
33
53
54 6am
54
54
54 9am
54
54
54 12pm
54
54
AD 728×90

Air Quality Index Trend

45h · 5 stn

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.

37.4%
Humidity
35.7 km/h
Wind WSW
1010.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
34
8.12 µg/m³
PM10▲
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Rancho Santa Margarita?

Temperature & Precipitation

PM2.5 Trend

45h · 5 stations
PM2.58.12 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

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

08-03
31.5° 21.3°
08-04
31.2° 24.4°
08-05
33.7° 21.7°
08-06
32.4° 18.1°
08-07
29.7° 21.2°
08-08
30.5° 19.5°
08-09
28.9° 17.4°
Both models agree Avg diff: 2.2°C

Where are air quality stations near Rancho Santa Margarita?

29
Century High School
24.8 km PM2.5: 7.0 µg/m³
20
Kennedy Elementary
25.4 km PM2.5: 4.8 µg/m³
8
Monroe Elementary
25.4 km PM2.5: 2.0 µg/m³
11
Villa Intermediate
25.4 km PM2.5: 2.7 µg/m³
11
Davis Elementary
27.4 km PM2.5: 2.7 µg/m³

What cities are near Rancho Santa Margarita?

30 Mission Viejo 29 Lake Forest 31 Ladera Ranch 28 Laguna Hills 28 Laguna Woods 28 Aliso Viejo 28 Stonegate 28 Laguna Niguel 30 San Juan Capistrano 28 Northwood
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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 2026-08-08T01:09 UTC.