SmogRank / Cleaner or dirtier / Poland
Poland: cleaner or dirtier, 2024
In Poland, 5 cities have enough days in both years to compare 2024 with the same days of 2023: 3 got dirtier and 1 cleaner.
The 3 cities that got dirtier, biggest rise first
| # | City | 2023 | 2024 | Change |
|---|---|---|---|---|
| 1 | PoznańGreater Poland, Poland | 59 | 67 | +4.4 µg/m³+33% |
| 2 | KatowiceSilesia, Poland | 66 | 71 | +2.4 µg/m³+14% |
| 3 | SzczecinWest Pomerania, Poland | 59 | 62 | +1.8 µg/m³+13% |
The one city that got cleaner
| # | City | 2023 | 2024 | Change |
|---|---|---|---|---|
| 1 | RzeszówSubcarpathia, Poland | 64 | 62 | −0.9 µg/m³−6% |
Means in US AQI over the days a city was measured in both years, the same calendar days each year; a city needs 55% of the days paired, and at least 30. The change is in µg/m³ and per cent. How we compare.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Updated 2026-10-07 12:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.