Air Quality in Chula Vista, United States

Windy
18.8°C · 78.1% humidity
18.8°
Feels 18.8°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
63 4pm
60
54
65 7pm
48
48
48 10pm
48
48
48 1am
48
48
48 4am
48
73
73 7am
73
73
73 10am
73
73
73 1pm
73
73
Station readings
63
60
54
65
CAMS model adj -2
75
50
50
50
50
50
50
50
50
50
50
50
50
50
75
75
75
75
75
75
75
75
75
75
AD 728×90

PM2.5 Trend (24h)

28h · 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

PM2.516.76 µg/m³ ×1.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (3 stations within 25 km)
16.76
Median
16.65
Average
16.02
Low
17.17
High
PM2.5 µg/m³ · Model: 4.4 · Bias: -12.4

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: 1.6°C

Where are air quality stations near Chula Vista?

54
Smythe Avenue
9.1 km PM2.5: 13.4 µg/m³
57
Ocean View Hills
9.5 km PM2.5: 14.9 µg/m³
64
San Diego - Sherman Elementary School, San Diego, California
9.5 km
50
San Diego - Sherman Elementary School, San Diego, California
9.5 km
45
San Diego - Sherman Elementary School, San Diego, California
9.5 km
57
International Border
11.6 km PM2.5: 14.8 µg/m³
70
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km
106
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km
45
Otay Mesa - Donovan Correctional Facility, San Diego, California
16.0 km
68
La Mesa
18.8 km PM2.5: 20.0 µg/m³

What cities are near Chula Vista?

61 National City 61 Imperial Beach 60 Coronado 61 La Presa 60 San Diego 60 Lemon Grove 61 Spring Valley 60 La Mesa 61 Tijuana 60 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 2026-04-09T19:31 UTC.