Air Quality in Aliso Viejo, United States

Cloudy
21.3°C · 70.2% humidity
21.3°
Feels 21.3°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
34 2pm
27
27
18 5pm
28
29
31 8pm
32
32
26 11pm
26
26
27 2am
27
27
27 5am
27
27
27 8am
34
34
34 11am
54
54
AD 728×90

Air Quality Index Trend

47h · 28 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.

70.2%
Humidity
32.0 km/h
Wind SW
1006.6 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.36 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Aliso Viejo?

Temperature & Precipitation

PM2.5 Trend

47h · 28 stations
PM2.54.36 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (1 station within 25 km)
4.36
Median
4.36
Average
4.36
Low
4.36
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +2.1

What is the 7-day forecast for Aliso Viejo?

07-22
21.5° 20.3°
07-23
22.3° 20.3°
07-24
24.2° 20.8°
07-25
22.9° 21.0°
07-26
24.0° 19.9°
07-27
23.5° 21.1°
07-28
23.1° 18.5°
Both models agree Avg diff: 3.7°C

Where are air quality stations near Aliso Viejo?

8
Monroe Elementary
20.8 km PM2.5: 2.0 µg/m³
18
Century High School
21.6 km PM2.5: 4.3 µg/m³
20
Kennedy Elementary
22.1 km PM2.5: 4.8 µg/m³
11
Villa Intermediate
22.8 km PM2.5: 2.7 µg/m³
11
Davis Elementary
24.8 km PM2.5: 2.7 µg/m³

What cities are near Aliso Viejo?

18 Laguna Woods 20 Laguna Niguel 18 Laguna Hills 18 Laguna Beach 18 Mission Viejo 20 Ladera Ranch 19 San Juan Capistrano 18 Lake Forest 18 Dana Point 18 UC Irvine
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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 2026-07-22T00:55 UTC.