Air Quality Lab — Trnava, Slovakia
Air Quality Profile·
Trnava reports an annual PM2.5 of 12.0 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Trnava
Slovakia
SlovakiaAnnual Average
FairWHO annual classification
12.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
9.19.1 µg/m³ — Good
7.87.8 µg/m³ — Good
7.97.9 µg/m³ — Good
9.59.5 µg/m³ — Good
9.89.8 µg/m³ — Good
1111 µg/m³ — Fair
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
9.19.1 µg/m³ — Good
7.87.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.97.9 µg/m³ — Good
9.59.5 µg/m³ — Good
9.89.8 µg/m³ — Good
1111 µg/m³ — Fair
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
Best months: May–JulWorst months: Mar, Nov–Dec
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Slovakia
Trnava: 12.0 µg/m³. Typical range in Slovakia: 12.1–13.1 µg/m³. Low anchor: Stupava, 10.0 µg/m³. High anchor: Košice, 14.7 µg/m³.
54 cities tracked