Air Quality Lab — Nogales, Mexico
Air Quality Profile·
Nogales reports an annual PM2.5 of 6.3 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Nogales
Mexico
MexicoAnnual Average
GoodWHO annual classification
6.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.85.8 µg/m³ — Good
7.07.0 µg/m³ — Good
5.15.1 µg/m³ — Good
4.24.2 µg/m³ — Excellent
6.06.0 µg/m³ — Good
6.76.7 µg/m³ — Good
6.66.6 µg/m³ — Good
7.27.2 µg/m³ — Good
6.06.0 µg/m³ — Good
7.07.0 µg/m³ — Good
6.86.8 µg/m³ — Good
7.07.0 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.85.8 µg/m³ — Good
7.07.0 µg/m³ — Good
5.15.1 µg/m³ — Good
4.24.2 µg/m³ — Excellent
6.06.0 µg/m³ — Good
6.76.7 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.66.6 µg/m³ — Good
7.27.2 µg/m³ — Good
6.06.0 µg/m³ — Good
7.07.0 µg/m³ — Good
6.86.8 µg/m³ — Good
7.07.0 µg/m³ — Good
Best months: Jan, Mar–AprWorst months: Aug, Oct, Dec
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Mexico
Nogales: 6.3 µg/m³. Typical range in Mexico: 10.8–16.4 µg/m³. Low anchor: Cananea, 4.6 µg/m³. High anchor: Texcoco de Mora, 28.4 µg/m³.
464 cities tracked