What is the air quality in Santee today?

The current Air Quality Index (AQI) in Santee is 41 (Good). PM2.5 concentration is 9.91 µg/m³.

What is the temperature in Santee right now?

The current temperature in Santee is 24.2°C (feels like 24.2°C). Humidity is 57.8% and wind speed is 41.6 km/h.

Is it safe to go outside in Santee?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Santee, United States

Windy

24.2°C · 57.8% humidity

24.2°

Feels 24.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 9 stn

View full history →

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

57.8%

Humidity

41.6 km/h

Wind WSW

1012.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.91 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Santee?

Temperature & Precipitation

PM2.5 Trend

45h · 9 stations

PM2.59.91 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

9.91

Median

9.02

Average

5.6

Low

15.0

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -3.9

What is the 7-day forecast for Santee?

10-21

26.0° 20.4°

10-22

31.7° 20.6°

10-23

23.8° 21.1°

10-24

24.9° 18.4°

0.25 mm

10-25

29.9° 17.6°

10-26

28.4° 20.8°

0.13 mm

10-27

24.9° 20.8°

Both models agree Avg diff: 5.2°C

Where are air quality stations near Santee?

El Cajon-Redwood Avenue, San Diego, California

6.0 km PM2.5: 10.1 µg/m³

Alpine-Victoria Drive, San Diego, California

19.3 km PM2.5: 18.3 µg/m³

Alpine-Victoria Drive, San Diego, California

19.3 km PM2.5: 16.9 µg/m³

Alpine-Victoria Drive, San Diego, California

19.3 km PM2.5: 12.0 µg/m³

Alpine-Victoria Drive, San Diego, California

19.3 km PM2.5: 15.0 µg/m³

Southwest Chula Vista

21.3 km PM2.5: 6.7 µg/m³

San Diego - Sherman Elementary School, San Diego, California

21.3 km PM2.5: 8.9 µg/m³

San Diego - Sherman Elementary School, San Diego, California

21.3 km PM2.5: 7.7 µg/m³

CRSF (EHS Bldg)

24.8 km PM2.5: 5.6 µg/m³

What cities are near Santee?

43 Winter Gardens 42 Bostonia 42 El Cajon 47 Lakeside 41 Casa de Oro-Mount Helix 34 La Mesa 37 Spring Valley 40 Rancho San Diego 32 Lemon Grove 32 La Presa

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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 2026-10-21T00:31 UTC.