Air Quality in Chula Vista, United States

Windy
21.2°C · 73.1% humidity
21.2°
Feels 21.2°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
34 1pm
34
34
34 4pm
34
34
34 7pm
34
34
34 10pm
34
54
54 1am
54
54
54 4am
54
54
54 7am
54
54
54 10am
54
54
AD 728×90

Air Quality Index Trend

48h · 1 stn

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

73.1%
Humidity
65.7 km/h
Wind WNW
1009.8 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.17 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Chula Vista?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.58.17 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
8.17
Median
8.62
Average
6.99
Low
11.8
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -1.1

What is the 7-day forecast for Chula Vista?

06-08
19.2° 16.9°
0.13 mm
06-09
21.2° 17.7°
06-10
20.9° 17.8°
06-11
20.4° 18.2°
06-12
20.6° 17.7°
06-13
22.3° 18.0°
06-14
20.3° 19.1°
Both models agree Avg diff: 1.4°C

Where are air quality stations near Chula Vista?

30
Smythe Avenue
9.1 km PM2.5: 7.2 µg/m³
29
Ocean View Hills
9.5 km PM2.5: 7.0 µg/m³
42
San Diego - Sherman Elementary School, San Diego, California
9.5 km PM2.5: 10.1 µg/m³
52
San Diego - Sherman Elementary School, San Diego, California
9.5 km PM2.5: 12.6 µg/m³
14
San Diego - Sherman Elementary School, San Diego, California
9.5 km PM2.5: 3.4 µg/m³
31
International Border
11.6 km PM2.5: 7.5 µg/m³
53
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km PM2.5: 13.1 µg/m³
43
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km PM2.5: 10.3 µg/m³
32
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km PM2.5: 7.7 µg/m³
33
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km PM2.5: 7.9 µg/m³

What cities are near Chula Vista?

38 National City 32 Imperial Beach 38 Coronado 37 La Presa 40 San Diego 36 Lemon Grove 37 Spring Valley 36 La Mesa 32 Tijuana 38 Casa de Oro-Mount Helix
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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 2026-06-08T23:21 UTC.