Air Quality Lab — Sundsvall, Sweden
Air Quality Profile·
Sundsvall reports an annual PM2.5 of 3.7 µg/m³. That's below the WHO 2021 annual guideline of 5 µg/m³ — cleaner than most cities on the continent.
Sundsvall
Sweden
SwedenAnnual Average
ExcellentWHO annual classification
3.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3.73.7 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
3.23.2 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
5.15.1 µg/m³ — Good
4.44.4 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
3.53.5 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
3.73.7 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
3.23.2 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
5.15.1 µg/m³ — Good
4.44.4 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
4.64.6 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
3.53.5 µg/m³ — Excellent
Best months: Apr, Oct–NovWorst months: May–Jul
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 Sweden
Sundsvall: 3.7 µg/m³. Typical range in Sweden: 5.0–5.9 µg/m³. Low anchor: Kiruna, 2.2 µg/m³. High anchor: Malmö, 7.9 µg/m³.
86 cities tracked