Air Quality in Lake Forest, United States

Windy
28.4°C · 33.6% humidity
28.4°
Feels 28.4°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
34 1pm
34
34
27 4pm
29
30
31 7pm
32
33
33 10pm
26
27
27 1am
27
27
27 4am
27
27
27 7am
34
34
34 10am
34
34
AD 728×90

Air Quality Index Trend

46h · 28 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.

33.6%
Humidity
50.0 km/h
Wind WSW
1009.0 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.46 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Lake Forest?

Temperature & Precipitation

PM2.5 Trend

46h · 28 stations
PM2.56.46 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
6.46
Median
6.42
Average
5.36
Low
8.35
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.9
Both models agree Avg diff: 3.3°C

Where are air quality stations near Lake Forest?

35
Century High School
17.4 km PM2.5: 8.4 µg/m³
23
Monroe Elementary
17.7 km PM2.5: 5.6 µg/m³
20
Kennedy Elementary
18.0 km PM2.5: 4.8 µg/m³
23
Villa Intermediate
18.2 km PM2.5: 5.4 µg/m³
11
Davis Elementary
20.3 km PM2.5: 2.7 µg/m³

What cities are near Lake Forest?

27 Laguna Hills 27 Laguna Woods 27 Mission Viejo 35 Rancho Santa Margarita 27 Stonegate 27 Aliso Viejo 27 El Camino Real 27 Ladera Ranch 27 Northwood 27 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 2026-06-08T23:23 UTC.