Air Quality Lab — Sønderborg, Denmark
Air Quality Profile·
Sønderborg reports an annual PM2.5 of 8.6 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Sønderborg
Denmark
DenmarkAnnual Average
GoodWHO annual classification
8.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.48.4 µg/m³ — Good
8.68.6 µg/m³ — Good
1212 µg/m³ — Fair
9.19.1 µg/m³ — Good
8.48.4 µg/m³ — Good
7.77.7 µg/m³ — Good
6.76.7 µg/m³ — Good
7.67.6 µg/m³ — Good
8.98.9 µg/m³ — Good
7.47.4 µg/m³ — Good
8.48.4 µg/m³ — Good
1111 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
8.48.4 µg/m³ — Good
8.68.6 µg/m³ — Good
1212 µg/m³ — Fair
9.19.1 µg/m³ — Good
8.48.4 µg/m³ — Good
7.77.7 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.76.7 µg/m³ — Good
7.67.6 µg/m³ — Good
8.98.9 µg/m³ — Good
7.47.4 µg/m³ — Good
8.48.4 µg/m³ — Good
1111 µg/m³ — Fair
Best months: Jul–Aug, OctWorst months: Mar–Apr, 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 Denmark
Sønderborg: 8.6 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