Air Quality in Rancho San Diego, United States

Partly Cloudy
21.4°C · 61.1% humidity
21.4°
Feels 21.4°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 5pm
34
34
38 8pm
34
34
34 11pm
54
34
34 2am
27
27
27 5am
27
27
54 8am
54
54
54 11am
54
54
54 2pm
54
54
AD 728×90

Air Quality Index Trend

48h · 1 stn

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

61.1%
Humidity
28.2 km/h
Wind SW
1010.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.17 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Rancho San Diego?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.59.17 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
9.17
Median
7.81
Average
6.46
Low
9.8
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -2.1

What is the 7-day forecast for Rancho San Diego?

06-09
28.4° 17.8°
06-10
27.2° 17.8°
06-11
25.1° 18.7°
06-12
26.6° 18.7°
06-13
32.8° 19.7°
06-14
27.3° 22.4°
06-15
26.0° 16.0°
0.25 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Rancho San Diego?

22
El Cajon-Redwood Avenue, San Diego, California
4.9 km PM2.5: 5.3 µg/m³
50
El Cajon-Redwood Avenue, San Diego, California
4.9 km PM2.5: 12.0 µg/m³
43
Otay Mesa - Donovan Correctional Facility, San Diego, California
18.7 km PM2.5: 10.3 µg/m³
43
Otay Mesa - Donovan Correctional Facility, San Diego, California
18.7 km PM2.5: 10.3 µg/m³
41
Otay Mesa - Donovan Correctional Facility, San Diego, California
18.7 km PM2.5: 9.8 µg/m³
33
Otay Mesa - Donovan Correctional Facility, San Diego, California
18.7 km PM2.5: 7.9 µg/m³
50
Alpine-Victoria Drive, San Diego, California
18.9 km PM2.5: 12.0 µg/m³
4
San Diego - Sherman Elementary School, San Diego, California
19.8 km PM2.5: 1.0 µg/m³
34
San Diego - Sherman Elementary School, San Diego, California
19.8 km PM2.5: 8.2 µg/m³
50
San Diego - Sherman Elementary School, San Diego, California
19.8 km PM2.5: 12.0 µg/m³

What cities are near Rancho San Diego?

39 Casa de Oro-Mount Helix 40 El Cajon 37 Spring Valley 40 Bostonia 34 La Presa 37 La Mesa 36 Lemon Grove 40 Winter Gardens 39 Santee 40 Lakeside
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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 2026-06-09T03:20 UTC.