Air Quality Lab — Århus, Denmark
Air Quality Profile
Århus reports an annual PM2.5 of 7.5 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Århus
Denmark
DenmarkAnnual Average
GoodWHO annual classification
7.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.87.8 µg/m³ — Good
8.28.2 µg/m³ — Good
9.89.8 µg/m³ — Good
7.87.8 µg/m³ — Good
7.57.5 µg/m³ — Good
6.96.9 µg/m³ — Good
5.75.7 µg/m³ — Good
5.95.9 µg/m³ — Good
6.66.6 µg/m³ — Good
6.86.8 µg/m³ — Good
7.57.5 µg/m³ — Good
9.19.1 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.87.8 µg/m³ — Good
8.28.2 µg/m³ — Good
9.89.8 µg/m³ — Good
7.87.8 µg/m³ — Good
7.57.5 µg/m³ — Good
6.96.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.75.7 µg/m³ — Good
5.95.9 µg/m³ — Good
6.66.6 µg/m³ — Good
6.86.8 µg/m³ — Good
7.57.5 µg/m³ — Good
9.19.1 µg/m³ — Good
Best months: Jul–SepWorst months: Feb–Mar, Dec
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Denmark
Århus: 7.5 µg/m³. Typical range in Denmark: 6.9–7.6 µg/m³. Low anchor: Frederikshavn, 6.0 µg/m³. High anchor: Copenhagen, 8.0 µg/m³.
47 cities tracked