Air Quality in Lake Forest, United States

Partly Cloudy
19.2°C · 67.7% humidity
19.2°
Feels 19.2°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
— 10pm
—
—
— 1am
—
—
— 4am
—
—
— 7am
—
—
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—

Air Quality Index Trend

46h · 25 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.

67.7%
Humidity
16.9 km/h
Wind SW
1013.6 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5▲
29
6.91 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 25 stations
PM2.56.91 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Get AQI alerts for Lake Forest

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T08:52 UTC.