Air Quality Lab — Hermosillo, Mexico
Air Quality Profile·
Hermosillo reports an annual PM2.5 of 8.9 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Hermosillo
Mexico
MexicoAnnual Average
GoodWHO annual classification
8.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.88.8 µg/m³ — Good
9.19.1 µg/m³ — Good
8.08.0 µg/m³ — Good
8.28.2 µg/m³ — Good
8.28.2 µg/m³ — Good
7.67.6 µg/m³ — Good
7.47.4 µg/m³ — Good
7.07.0 µg/m³ — Good
8.68.6 µg/m³ — Good
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1212 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
8.88.8 µg/m³ — Good
9.19.1 µg/m³ — Good
8.08.0 µg/m³ — Good
8.28.2 µg/m³ — Good
8.28.2 µg/m³ — Good
7.67.6 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.47.4 µg/m³ — Good
7.07.0 µg/m³ — Good
8.68.6 µg/m³ — Good
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1212 µg/m³ — Fair
Best months: Jun–AugWorst months: Oct–Dec
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
Hermosillo: 8.9 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