Air Quality in Lake Forest, United States
Windy
11.0°C · 68.0% humidity
11.0°
Feels 11.0°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Lake Forest's air quality — share it
AQI Forecast
Calibrated
9
2pm
7
7
13
5pm
11
10
9
8pm
9
8
8
11pm
8
7
7
2am
7
7
7
5am
7
7
7
8am
7
7
7
11am
7
7
Station readings
5
CAMS model
adj -18
27
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
10h · 1 stnLake 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.
68.0%
Humidity
108.9 km/h
Wind NNE
1020.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.08 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Lake Forest?
Temperature & Precipitation
PM2.5 Trend
10h · 1 stationPM2.53.08 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (2 stations within 25 km)
3.08
Median
7.38
Average
1.25
Low
13.5
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.9
What is the 7-day forecast for Lake Forest?
05-29
24.6° 7.8°
05-30
20.5° 10.9°
0.13 mm
05-31
19.2° 13.8°
0.13 mm
06-01
25.5° 13.2°
0.31 mm
06-02
19.7° 13.1°
6.0 mm
06-03
26.1° 18.0°
06-04
16.4° 12.2°
Both models agree
Avg diff: 5.4°C
Where are air quality stations near Lake Forest?
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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 2026-05-29T22:26 UTC.