SmogRank / Cleaner or dirtier / Poland

Poland: cleaner or dirtier, 2026

In Poland, 57 cities have enough days in both years to compare 2026 so far (1 January to 6 October) with the same days of 2025: 39 got dirtier and 18 cleaner.

The 39 cities that got dirtier, biggest rise first

#	City	2025	2026	Change
1	Gorzów WielkopolskiLubusz, Poland	62	77	+8.1 µg/m³+53%
2	ŻywiecSilesia, Poland	79	92	+7.2 µg/m³+30%
3	ŻaryLubusz, Poland	59	71	+6.4 µg/m³+48%
4	RadomskoŁódź Voivodeship, Poland	67	78	+5.9 µg/m³+34%
5	TarnówLesser Poland, Poland	59	69	+5.4 µg/m³+40%
6	KościerzynaPomerania, Poland	55	63	+4.5 µg/m³+41%
7	Zielona GóraLubusz, Poland	58	66	+4.3 µg/m³+34%
8	ŁaskŁódź Voivodeship, Poland	78	84	+3.5 µg/m³+15%
9	RzeszówSubcarpathia, Poland	65	71	+3.3 µg/m³+20%
10	StarachowiceŚwiętokrzyskie, Poland	64	70	+3.1 µg/m³+19%
11	KaliszGreater Poland, Poland	74	80	+3.0 µg/m³+14%
12	EłkWarmia-Masuria, Poland	59	64	+2.9 µg/m³+22%
13	GdańskPomerania, Poland	61	66	+2.8 µg/m³+20%
14	BrzegOpole Voivodeship, Poland	58	63	+2.6 µg/m³+20%
15	CiechanówMazovia, Poland	59	63	+2.5 µg/m³+19%
16	SuwałkiPodlasie, Poland	56	60	+2.4 µg/m³+21%
17	DębicaSubcarpathia, Poland	66	70	+2.4 µg/m³+14%
18	WłocławekKujawsko-Pomorskie, Poland	71	75	+2.3 µg/m³+12%
19	BiałystokPodlasie, Poland	59	63	+2.3 µg/m³+17%
20	KłodzkoLower Silesia, Poland	72	77	+2.2 µg/m³+11%
21	BydgoszczKujawsko-Pomorskie, Poland	61	65	+1.9 µg/m³+13%
22	KrakówLesser Poland, Poland	68	72	+1.9 µg/m³+10%
23	OtwockMazovia, Poland	80	83	+1.8 µg/m³+7%
24	GdyniaPomerania, Poland	61	64	+1.8 µg/m³+12%
25	ZamośćLublin, Poland	66	69	+1.5 µg/m³+9%
26	LegionowoMazovia, Poland	63	66	+1.5 µg/m³+10%
27	PłockMazovia, Poland	59	62	+1.5 µg/m³+11%
28	Czechowice-DziedziceSilesia, Poland	70	73	+1.4 µg/m³+7%
29	Konstancin-JeziornaMazovia, Poland	61	63	+1.2 µg/m³+8%
30	ToruńKujawsko-Pomorskie, Poland	67	69	+1.2 µg/m³+7%
31	MielecSubcarpathia, Poland	63	65	+1.1 µg/m³+7%
32	KołobrzegWest Pomerania, Poland	57	59	+1.0 µg/m³+8%
33	WrocławLower Silesia, Poland	68	69	+0.9 µg/m³+5%
34	RacibórzSilesia, Poland	61	63	+0.8 µg/m³+5%
35	Jastrzębie ZdrójSilesia, Poland	72	73	+0.7 µg/m³+3%
36	JarosławSubcarpathia, Poland	65	66	+0.6 µg/m³+4%
37	NiskoSubcarpathia, Poland	67	68	+0.5 µg/m³+3%
38	PrzemyślSubcarpathia, Poland	64	65	+0.3 µg/m³+2%
39	PruszkówMazovia, Poland	65	65	+0.1 µg/m³+1%

The 18 cities that got cleaner, biggest fall first

#	City	2025	2026	Change
1	WawerMazovia, Poland	66	58	−4.2 µg/m³−24%
2	AugustówPodlasie, Poland	75	67	−4.2 µg/m³−19%
3	WschowaLubusz, Poland	66	60	−3.0 µg/m³−18%
4	KatowiceSilesia, Poland	66	62	−2.1 µg/m³−12%
5	SzczytnaLower Silesia, Poland	62	58	−2.1 µg/m³−14%
6	LublinPoland	70	66	−1.9 µg/m³−10%
7	ElblągWarmia-Masuria, Poland	60	57	−1.6 µg/m³−11%
8	OpoleOpole Voivodeship, Poland	67	64	−1.4 µg/m³−8%
9	PoznańGreater Poland, Poland	70	68	−1.4 µg/m³−7%
10	PołaniecŚwiętokrzyskie, Poland	69	66	−1.3 µg/m³−7%
11	ŁódźŁódź Voivodeship, Poland	70	67	−1.2 µg/m³−6%
12	KielceŚwiętokrzyskie, Poland	65	63	−1.2 µg/m³−7%
13	OlsztynWarmia-Masuria, Poland	59	57	−1.0 µg/m³−8%
14	Jelenia GóraLower Silesia, Poland	64	62	−0.8 µg/m³−5%
15	WarsawMazovia, Poland	64	63	−0.7 µg/m³−4%
16	RadomMazovia, Poland	68	67	−0.3 µg/m³−2%
17	Kędzierzyn-KoźleOpole Voivodeship, Poland	62	62	−0.2 µg/m³−1%
18	SzczecinWest Pomerania, Poland	61	60	−0.1 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.