Air Quality Lab — Oaxaca, Mexico
Air Quality Profile
Oaxaca reports an annual PM2.5 of 17.0 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Oaxaca
Mexico
MexicoAnnual Average
ModerateWHO annual classification
17.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1515 µg/m³ — Fair
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
2424 µg/m³ — Moderate
2626 µg/m³ — Poor
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1515 µg/m³ — Fair
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
2424 µg/m³ — Moderate
2626 µg/m³ — Poor
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
Best months: Jan–Feb, NovWorst months: Apr–May, Jul
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Mexico
Oaxaca: 17.0 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