Air Quality in Aliso Viejo, United States

Windy
17.5°C · 68.9% humidity
17.5°
Feels 17.5°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
38 10pm
36
42
29 1am
29
29
29 4am
17
17
17 7am
17
17
17 10am
29
29
17 1pm
17
17
17 4pm
17
17
17 7pm
17
17
Station readings
38
36
CAMS model adj -8
50
50
50
37
37
37
37
25
25
25
25
25
25
37
37
25
25
25
25
25
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

22h · 29 stations
68.9%
Humidity
83.2 km/h
Wind WSW
1012.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Aliso Viejo?

Temperature & Precipitation

PM2.59.0 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
9.0
Median
8.97
Average
8.55
Low
9.64
High
PM2.5 µg/m³ · Model: 8.9 · Bias: -0.1

What is the 7-day forecast for Aliso Viejo?

04-10
17.5° 15.8°
12.06 mm
04-11
16.7° 15.0°
23.88 mm
04-12
15.9° 13.9°
1.37 mm
04-13
15.9° 13.9°
0.5 mm
04-14
18.2° 15.0°
04-15
19.1° 17.6°
04-16
19.7° 17.3°
Both models agree Avg diff: 2.1°C

Where are air quality stations near Aliso Viejo?

34
Monroe Elementary
20.8 km PM2.5: 8.2 µg/m³
37
Century High School
21.6 km PM2.5: 8.8 µg/m³
36
Kennedy Elementary
22.1 km PM2.5: 8.7 µg/m³
39
Villa Intermediate
22.8 km PM2.5: 9.4 µg/m³
35
Davis Elementary
24.8 km PM2.5: 8.3 µg/m³

What cities are near Aliso Viejo?

38 Laguna Woods 23 Laguna Niguel 38 Laguna Hills 38 Laguna Beach 38 Mission Viejo 24 Ladera Ranch 16 San Juan Capistrano 38 Lake Forest 6 Dana Point 38 UC Irvine

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:02 UTC.