SmogRank / Cleaner or dirtier / Poland

Poland: cleaner or dirtier, 2025

In Poland, 62 cities have enough days in both years to compare 2025 with the same days of 2024: 38 got dirtier and 24 cleaner.

The 38 cities that got dirtier, biggest rise first

#	City	2024	2025	Change
1	ŻywiecSilesia, Poland	69	82	+7.3 µg/m³+39%
2	WschowaLubusz, Poland	56	66	+4.9 µg/m³+41%
3	ŁódźŁódź Voivodeship, Poland	61	68	+3.9 µg/m³+27%
4	OtwockMazovia, Poland	68	74	+3.2 µg/m³+17%
5	ŁaskŁódź Voivodeship, Poland	68	74	+3.1 µg/m³+17%
6	KaliszGreater Poland, Poland	68	74	+2.9 µg/m³+16%
7	Bielsko-BialaSilesia, Poland	69	75	+2.8 µg/m³+15%
8	WrocławLower Silesia, Poland	62	67	+2.8 µg/m³+19%
9	ŻaryLubusz, Poland	54	59	+2.8 µg/m³+27%
10	SuwałkiPodlasie, Poland	48	55	+2.5 µg/m³+29%
11	JasłoSubcarpathia, Poland	54	58	+2.2 µg/m³+21%
12	EłkWarmia-Masuria, Poland	54	58	+2.2 µg/m³+21%
13	ToruńKujawsko-Pomorskie, Poland	62	66	+2.1 µg/m³+14%
14	KłodzkoLower Silesia, Poland	66	70	+2.1 µg/m³+12%
15	PoznańGreater Poland, Poland	65	69	+2.0 µg/m³+12%
16	WawerMazovia, Poland	59	63	+1.9 µg/m³+14%
17	AugustówPodlasie, Poland	66	70	+1.9 µg/m³+11%
18	Jelenia GóraLower Silesia, Poland	61	64	+1.7 µg/m³+12%
19	KołobrzegWest Pomerania, Poland	53	56	+1.7 µg/m³+17%
20	KutnoŁódź Voivodeship, Poland	69	73	+1.7 µg/m³+9%
21	Gorzów WielkopolskiLubusz, Poland	60	63	+1.5 µg/m³+11%
22	GdańskPomerania, Poland	57	60	+1.4 µg/m³+11%
23	ŚwiecieKujawsko-Pomorskie, Poland	57	59	+1.4 µg/m³+11%
24	TarnówLesser Poland, Poland	58	60	+1.3 µg/m³+10%
25	ŻyrardówMazovia, Poland	62	64	+0.9 µg/m³+6%
26	WarsawMazovia, Poland	60	62	+0.9 µg/m³+6%
27	Skarżysko-KamiennaŚwiętokrzyskie, Poland	71	73	+0.9 µg/m³+4%
28	GdyniaPomerania, Poland	60	61	+0.7 µg/m³+5%
29	KielceŚwiętokrzyskie, Poland	67	68	+0.6 µg/m³+3%
30	Czechowice-DziedziceSilesia, Poland	67	68	+0.6 µg/m³+3%
31	RzeszówSubcarpathia, Poland	62	63	+0.5 µg/m³+3%
32	RadomskoŁódź Voivodeship, Poland	68	69	+0.4 µg/m³+2%
33	BiałystokPodlasie, Poland	59	59	+0.4 µg/m³+3%
34	RadomMazovia, Poland	65	66	+0.4 µg/m³+2%
35	WłocławekKujawsko-Pomorskie, Poland	70	71	+0.3 µg/m³+2%
36	NiskoSubcarpathia, Poland	66	66	+0.3 µg/m³+2%
37	JarosławSubcarpathia, Poland	63	63	+0.1 µg/m³+1%
38	ElblągWarmia-Masuria, Poland	60	60	+0.1 µg/m³+1%

The 24 cities that got cleaner, biggest fall first

#	City	2024	2025	Change
1	RacibórzSilesia, Poland	71	59	−6.1 µg/m³−31%
2	Kędzierzyn-KoźleOpole Voivodeship, Poland	67	60	−4.2 µg/m³−23%
3	KatowiceSilesia, Poland	71	64	−3.8 µg/m³−19%
4	OpoleOpole Voivodeship, Poland	68	62	−3.2 µg/m³−17%
5	KościerzynaPomerania, Poland	59	54	−2.8 µg/m³−21%
6	MielecSubcarpathia, Poland	67	62	−2.5 µg/m³−14%
7	Zielona GóraLubusz, Poland	59	56	−1.7 µg/m³−13%
8	PrzemyślSubcarpathia, Poland	66	62	−1.7 µg/m³−10%
9	DębicaSubcarpathia, Poland	66	63	−1.3 µg/m³−8%
10	KrosnoSubcarpathia, Poland	54	52	−1.2 µg/m³−11%
11	OlsztynWarmia-Masuria, Poland	60	58	−1.1 µg/m³−8%
12	LegionowoMazovia, Poland	64	62	−1.1 µg/m³−7%
13	Jastrzębie ZdrójSilesia, Poland	73	71	−1.1 µg/m³−5%
14	BytówPomerania, Poland	54	52	−1.0 µg/m³−9%
15	SzczecinWest Pomerania, Poland	61	59	−1.0 µg/m³−7%
16	StarachowiceŚwiętokrzyskie, Poland	65	64	−0.8 µg/m³−5%
17	BydgoszczKujawsko-Pomorskie, Poland	61	60	−0.8 µg/m³−5%
18	PołaniecŚwiętokrzyskie, Poland	68	66	−0.7 µg/m³−4%
19	LublinPoland	66	65	−0.6 µg/m³−3%
20	PruszkówMazovia, Poland	65	64	−0.5 µg/m³−3%
21	Konstancin-JeziornaMazovia, Poland	62	61	−0.4 µg/m³−3%
22	PłockMazovia, Poland	59	59	−0.2 µg/m³−1%
23	ZamośćLublin, Poland	64	64	−0.2 µg/m³−1%
24	KrakówLesser Poland, Poland	67	67	−0.2 µg/m³−1%

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.

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.