Air Quality in Aliso Viejo, United States

Partly Cloudy
20.1°C · 68.9% humidity
20.1°
Feels 20.1°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 2pm
34
34
30 5pm
27
27
27 8pm
27
27
34 11pm
34
34
34 2am
54
54
54 5am
54
34
34 8am
34
34
54 11am
54
54
AD 728×90

Air Quality Index Trend

46h · 1 stn

Aliso Viejo's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Aliso Viejo is 1.4× the WHO annual guideline of 5 µg/m³.

68.9%
Humidity
38.3 km/h
Wind W
1012.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.1 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Aliso Viejo?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.57.1 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250

What is the 7-day forecast for Aliso Viejo?

05-29
20.9° 17.3°
05-30
17.6° 15.7°
05-31
19.8° 17.7°
06-01
20.3° 17.4°
06-02
20.0° 15.5°
06-03
19.8° 15.4°
06-04
18.7° 16.6°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Aliso Viejo?

15
Monroe Elementary
20.8 km PM2.5: 3.7 µg/m³
17
Century High School
21.6 km PM2.5: 4.1 µg/m³
16
Kennedy Elementary
22.1 km PM2.5: 3.8 µg/m³
16
Villa Intermediate
22.8 km PM2.5: 3.8 µg/m³
12
Davis Elementary
24.8 km PM2.5: 3.0 µg/m³

What cities are near Aliso Viejo?

30 Laguna Woods 15 Laguna Niguel 30 Laguna Hills 30 Laguna Beach 30 Mission Viejo 15 Ladera Ranch 15 San Juan Capistrano 30 Lake Forest 15 Dana Point 30 UC Irvine
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:26 UTC.