Air Quality Lab — Dundalk, Ireland
Air Quality Profile·
Dundalk reports an annual PM2.5 of 7.0 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Dundalk
Ireland
IrelandAnnual Average
GoodWHO annual classification
7.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.68.6 µg/m³ — Good
8.28.2 µg/m³ — Good
9.79.7 µg/m³ — Good
7.97.9 µg/m³ — Good
6.56.5 µg/m³ — Good
5.95.9 µg/m³ — Good
4.24.2 µg/m³ — Excellent
4.74.7 µg/m³ — Excellent
5.75.7 µg/m³ — Good
6.86.8 µg/m³ — Good
7.67.6 µg/m³ — Good
8.38.3 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.68.6 µg/m³ — Good
8.28.2 µg/m³ — Good
9.79.7 µg/m³ — Good
7.97.9 µg/m³ — Good
6.56.5 µg/m³ — Good
5.95.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
4.24.2 µg/m³ — Excellent
4.74.7 µg/m³ — Excellent
5.75.7 µg/m³ — Good
6.86.8 µg/m³ — Good
7.67.6 µg/m³ — Good
8.38.3 µg/m³ — Good
Best months: Jul–SepWorst months: Jan, Mar, 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 Ireland
Dundalk: 7.0 µg/m³. Typical range in Ireland: 6.4–6.8 µg/m³. Low anchor: Letterkenny, 5.9 µg/m³. High anchor: Dublin, 7.3 µg/m³.
29 cities tracked