La Mesa Air Quality

Monitoring Station · Tijuana, Mexico
80
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
64 3pm
64
64
64 6pm
64
64
52 9pm
52
64
64 12am
64
64
64 3am
64
64
— 6am
—
—
— 9am
—
—
— 12pm
—
—
CAMS model adj -2
66
66
66
66
66
66
54
54
66
66
66
66
66
66
66

Air Quality Forecast (24h)

PM2.525.8 µg/m³ ×1.7 WHO
Moderate
View city history →

Gas Pollutants

NO₂
75.2
µg/m³
CO
3.48
mg/m³

Nearby Monitoring Stations

62
International Border
7.5 km PM2.5: 17.5 µg/m³
56
Ocean View Hills
9.4 km PM2.5: 14.7 µg/m³
51
Smythe Avenue
10.1 km PM2.5: 12.3 µg/m³
16
Otay Mesa - Donovan Correctional Facility, San Diego, California
10.1 km PM2.5: 3.8 µg/m³
140
Otay Mesa - Donovan Correctional Facility, San Diego, California
10.1 km PM2.5: 51.3 µg/m³
65
Otay Mesa - Donovan Correctional Facility, San Diego, California
10.1 km PM2.5: 18.8 µg/m³
35
San Diego - Sherman Elementary School, San Diego, California
28.3 km PM2.5: 8.4 µg/m³
39
San Diego - Sherman Elementary School, San Diego, California
28.3 km PM2.5: 9.4 µg/m³

Nearby Cities

59 Tijuana 59 La Joya 59 Pórticos de San Antonio 59 Villa del Prado 2da Sección 59 Las Delicias 60 Terrazas del Valle 55 Imperial Beach 57 Rosarito 53 Chula Vista

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T18:55 UTC.