Air Quality in Mission Viejo, United States

Windy
28.5°C · 29.1% humidity
28.5°
Feels 28.5°
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

Mission 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 Mission Viejo is 1.4× the WHO annual guideline of 5 µg/m³.

29.1%
Humidity
44.6 km/h
Wind WSW
1011.8 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 Mission 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 Mission Viejo?

05-29
28.7° 16.1°
05-30
22.1° 14.8°
05-31
26.6° 17.5°
06-01
29.1° 16.2°
06-02
28.7° 13.5°
06-03
27.6° 13.3°
06-04
26.0° 15.0°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Mission Viejo?

15
Monroe Elementary
21.8 km PM2.5: 3.7 µg/m³
17
Century High School
21.9 km PM2.5: 4.1 µg/m³
16
Kennedy Elementary
22.4 km PM2.5: 3.8 µg/m³
16
Villa Intermediate
22.8 km PM2.5: 3.8 µg/m³
12
Davis Elementary
24.9 km PM2.5: 3.0 µg/m³

What cities are near Mission Viejo?

30 Laguna Hills 15 Ladera Ranch 30 Laguna Woods 30 Lake Forest 30 Aliso Viejo 30 Rancho Santa Margarita 15 Laguna Niguel 15 San Juan Capistrano 30 Laguna Beach 30 Stonegate
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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.