Air Quality in Chula Vista, United States

Windy
18.8°C · 78.1% humidity
18.8°
Feels 18.8°
66
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
55 1pm
55
60
26 4pm
27
27
27 7pm
27
27
27 10pm
27
27
27 1am
27
27
27 4am
27
52
52 7am
52
52
52 10am
52
52
Station readings
55
55
60
26
CAMS model adj -23
75
75
75
75
50
50
50
50
50
50
50
50
50
50
50
50
50
75
75
75
75
75
75
75
AD 728×90

PM2.5 Trend (24h)

27h · 1 station
78.1%
Humidity
43.8 km/h
Wind W
1014.2 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Chula Vista?

Temperature & Precipitation

PM2.519.38 µg/m³ ×1.3 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (3 stations within 25 km)
19.38
Median
19.84
Average
18.98
Low
21.16
High
PM2.5 µg/m³ · Model: 4.4 · Bias: -15.0

What is the 7-day forecast for Chula Vista?

04-09
19.3° 17.6°
04-10
18.3° 16.8°
9.25 mm
04-11
17.2° 15.4°
24.12 mm
04-12
16.8° 14.2°
2.19 mm
04-13
15.1° 14.8°
0.5 mm
04-14
18.5° 15.1°
0.06 mm
04-15
19.8° 17.5°
Both models agree Avg diff: 1.4°C

Where are air quality stations near Chula Vista?

73
Smythe Avenue
9.1 km PM2.5: 22.4 µg/m³
69
Ocean View Hills
9.5 km PM2.5: 20.8 µg/m³
80
San Diego - Sherman Elementary School, San Diego, California
9.5 km
70
International Border
11.6 km PM2.5: 21.3 µg/m³
89
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km
63
La Mesa
18.8 km PM2.5: 18.0 µg/m³
33
El Cajon-Redwood Avenue, San Diego, California
21.4 km
34
El Cajon-Redwood Avenue, San Diego, California
21.4 km

What cities are near Chula Vista?

66 National City 66 Imperial Beach 66 Coronado 66 La Presa 66 San Diego 66 Lemon Grove 66 Spring Valley 66 La Mesa 66 Tijuana 68 Casa de Oro-Mount Helix

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T16:58 UTC.