Air Quality in San Clemente, United States

Cloudy
21.5°C · 71.8% humidity
21.5°
Feels 21.5°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
34 10am
34
34
17 1pm
22
18
21 4pm
23
31
32 7pm
32
33
33 10pm
26
27
27 1am
27
27
27 4am
27
27
27 7am
27
34
AD 728×90

Air Quality Index Trend

46h · 2 stn

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

71.8%
Humidity
35.7 km/h
Wind SSW
1009.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
17
4.1 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for San Clemente?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.54.1 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250

What is the 7-day forecast for San Clemente?

07-21
23.5° 21.1°
07-22
21.5° 20.3°
07-23
22.3° 20.3°
07-24
24.2° 20.8°
07-25
22.9° 21.0°
07-26
24.0° 19.9°
07-27
23.5° 21.1°
Both models agree Avg diff: 1.1°C

Where are air quality stations near San Clemente?

99
Camp Pendleton, San Diego, California
30.8 km PM2.5: 34.9 µg/m³
73
Camp Pendleton, San Diego, California
30.8 km PM2.5: 22.6 µg/m³

What cities are near San Clemente?

17 Dana Point 28 San Juan Capistrano 18 Laguna Niguel 27 Ladera Ranch 25 Aliso Viejo 25 Mission Viejo 25 Laguna Beach 25 Laguna Hills 25 Laguna Woods 25 Rancho Santa Margarita
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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 2026-07-21T20:05 UTC.