Air Quality in Santee, United States

Windy
19.8°C · 47.7% humidity
19.8°
Feels 19.8°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast
34 1pm
34
34
54 4pm
48
37
34 7pm
32
31
30 10pm
29
26
26 1am
26
26
25 4am
25
25
25 7am
27
27
34 10am
34
34
AD 728×90

Air Quality Index Trend

46h · 7 stn

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.

47.7%
Humidity
59.6 km/h
Wind WSW
1013.1 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.29 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Santee?

Temperature & Precipitation

PM2.5 Trend

46h · 7 stations
PM2.513.29 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
13.29
Median
11.56
Average
3.28
Low
24.9
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -6.2

What is the 7-day forecast for Santee?

05-29
28.7° 17.6°
05-30
22.1° 16.3°
05-31
25.9° 19.2°
06-01
28.4° 17.6°
06-02
29.6° 15.6°
06-03
26.2° 14.9°
06-04
25.3° 16.6°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Santee?

32
El Cajon-Redwood Avenue, San Diego, California
6.0 km PM2.5: 7.7 µg/m³
33
El Cajon-Redwood Avenue, San Diego, California
6.0 km PM2.5: 7.9 µg/m³
78
Alpine-Victoria Drive, San Diego, California
19.3 km PM2.5: 24.9 µg/m³
25
San Diego - Sherman Elementary School, San Diego, California
21.3 km PM2.5: 6.0 µg/m³
49
San Diego - Sherman Elementary School, San Diego, California
21.3 km PM2.5: 11.8 µg/m³
79
San Diego - Sherman Elementary School, San Diego, California
21.3 km PM2.5: 25.4 µg/m³
14
CRSF (EHS Bldg)
24.8 km PM2.5: 3.3 µg/m³

What cities are near Santee?

66 Winter Gardens 64 Bostonia 55 El Cajon 78 Lakeside 39 Casa de Oro-Mount Helix 21 La Mesa 30 Spring Valley 38 Rancho San Diego 22 Lemon Grove 21 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 2026-05-29T23:39 UTC.