Air Quality in Lake Forest, United States

Windy
19.9°C · 49.7% humidity
19.9°
Feels 19.9°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
52 6pm
51
51
44 9pm
44
44
44 12am
31
31
31 3am
31
19
19 6am
19
19
19 9am
19
31
31 12pm
19
19
19 3pm
19
19
Station readings
52
51
51
CAMS model adj -6
50
50
50
50
50
50
50
37
37
37
37
25
25
25
25
25
25
37
37
25
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

23h · 29 stations
49.7%
Humidity
82.0 km/h
Wind WSW
1011.2 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Lake Forest?

Temperature & Precipitation

PM2.59.58 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (5 stations within 25 km)
9.58
Median
9.55
Average
9.12
Low
9.92
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -3.7

What is the 7-day forecast for Lake Forest?

04-09
23.1° 15.7°
04-10
19.9° 13.9°
14.63 mm
04-11
17.4° 12.8°
20.94 mm
04-12
16.2° 12.0°
0.88 mm
04-13
17.1° 11.6°
0.13 mm
04-14
22.1° 12.8°
04-15
24.0° 16.7°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Lake Forest?

41
Century High School
17.4 km PM2.5: 9.8 µg/m³
39
Monroe Elementary
17.7 km PM2.5: 9.4 µg/m³
41
Kennedy Elementary
18.0 km PM2.5: 9.9 µg/m³
42
Villa Intermediate
18.2 km PM2.5: 10.2 µg/m³
39
Davis Elementary
20.3 km PM2.5: 9.3 µg/m³

What cities are near Lake Forest?

40 Laguna Hills 40 Laguna Woods 40 Mission Viejo 40 Rancho Santa Margarita 40 Stonegate 40 Aliso Viejo 40 El Camino Real 33 Ladera Ranch 40 Northwood 40 Woodbridge

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:28 UTC.