Air Quality in Lake Forest, United States

Windy
28.5°C · 29.1% humidity
28.5°
Feels 28.5°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
34 11am
34
34
16 2pm
21
25
27 5pm
22
24
25 8pm
25
26
33 11pm
33
34
34 2am
54
54
54 5am
54
34
34 8am
34
34
AD 728×90

Air Quality Index Trend

46h · 33 stn

Lake Forest's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

29.1%
Humidity
44.6 km/h
Wind WSW
1011.8 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
16
3.83 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Lake Forest?

Temperature & Precipitation

PM2.5 Trend

46h · 33 stations
PM2.53.83 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
3.83
Median
3.79
Average
3.02
Low
4.17
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +3.3
Both models agree Avg diff: 3.0°C

Where are air quality stations near Lake Forest?

17
Century High School
17.4 km PM2.5: 4.1 µg/m³
16
Monroe Elementary
17.7 km PM2.5: 3.9 µg/m³
16
Kennedy Elementary
18.0 km PM2.5: 3.8 µg/m³
18
Villa Intermediate
18.2 km PM2.5: 4.2 µg/m³
12
Davis Elementary
20.3 km PM2.5: 3.0 µg/m³

What cities are near Lake Forest?

16 Laguna Hills 16 Laguna Woods 16 Mission Viejo 17 Rancho Santa Margarita 16 Stonegate 16 Aliso Viejo 16 El Camino Real 15 Ladera Ranch 16 Northwood 16 Woodbridge
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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 2026-05-28T21:48 UTC.