Air Quality Lab — Tijuana, Mexico
Air Quality Profile
Tijuana reports an annual PM2.5 of 11.0 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Tijuana
Mexico
MexicoAnnual Average
FairWHO annual classification
11.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1111 µg/m³ — Fair
1212 µg/m³ — Fair
7.07.0 µg/m³ — Good
9.09.0 µg/m³ — Good
8.98.9 µg/m³ — Good
9.69.6 µg/m³ — Good
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1010 µg/m³ — Fair
1414 µg/m³ — Fair
1111 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1111 µg/m³ — Fair
1212 µg/m³ — Fair
7.07.0 µg/m³ — Good
9.09.0 µg/m³ — Good
8.98.9 µg/m³ — Good
9.69.6 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1010 µg/m³ — Fair
1414 µg/m³ — Fair
1111 µg/m³ — Fair
Best months: Mar–MayWorst months: Jul–Aug, Nov
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Mexico
Tijuana: 11.0 µg/m³. Typical range in Mexico: 10.8–16.4 µg/m³. Low anchor: Nogales, 6.3 µg/m³. High anchor: Texcoco de Mora, 28.4 µg/m³.
464 cities tracked