SmogRank / Cleaner or dirtier / Austria

Austria: cleaner or dirtier, 2026

In Austria, 35 cities have enough days in both years to compare 2026 so far (1 January to 6 October) with the same days of 2025: 18 got dirtier and 15 cleaner.

The 18 cities that got dirtier, biggest rise first

#	City	2025	2026	Change
1	LeibnitzStyria, Austria	54	57	+1.9 µg/m³+18%
2	LienzTyrol, Austria	48	52	+1.0 µg/m³+11%
3	EisenstadtBurgenland, Austria	52	53	+0.9 µg/m³+9%
4	Saalfelden am Steinernen MeerSalzburg, Austria	33	38	+0.9 µg/m³+15%
5	Zell am SeeSalzburg, Austria	33	38	+0.9 µg/m³+15%
6	SchwazTyrol, Austria	49	52	+0.8 µg/m³+9%
7	InnsbruckTyrol, Austria	46	51	+0.8 µg/m³+10%
8	WeizStyria, Austria	53	54	+0.7 µg/m³+7%
9	VoitsbergStyria, Austria	53	55	+0.7 µg/m³+7%
10	HalleinSalzburg, Austria	45	48	+0.6 µg/m³+7%
11	WolfsbergCarinthia, Austria	56	57	+0.5 µg/m³+4%
12	JenbachTyrol, Austria	51	52	+0.5 µg/m³+5%
13	SalzburgAustria	47	50	+0.5 µg/m³+6%
14	Hainburg an der DonauLower Austria, Austria	52	52	+0.2 µg/m³+2%
15	Groß-EnzersdorfLower Austria, Austria	50	51	+0.2 µg/m³+2%
16	PerchtoldsdorfLower Austria, Austria	51	51	+0.1 µg/m³+1%
17	ReutteTyrol, Austria	42	43	+0.1 µg/m³+1%
18	GrazStyria, Austria	59	59	+0.1 µg/m³+1%

The 15 cities that got cleaner, biggest fall first

#	City	2025	2026	Change
1	TraunUpper Austria, Austria	56	52	−1.8 µg/m³−15%
2	WelsUpper Austria, Austria	54	52	−1.4 µg/m³−13%
3	Klagenfurt am WörtherseeCarinthia, Austria	55	53	−1.3 µg/m³−11%
4	Sankt PöltenLower Austria, Austria	53	51	−1.1 µg/m³−11%
5	EnnsUpper Austria, Austria	56	54	−0.9 µg/m³−8%
6	AnsfeldenUpper Austria, Austria	56	54	−0.9 µg/m³−8%
7	SteyrUpper Austria, Austria	51	47	−0.7 µg/m³−8%
8	Attnang-PuchheimUpper Austria, Austria	54	52	−0.7 µg/m³−7%
9	LinzUpper Austria, Austria	54	53	−0.6 µg/m³−6%
10	KlosterneuburgLower Austria, Austria	53	52	−0.6 µg/m³−6%
11	AmstettenLower Austria, Austria	54	52	−0.6 µg/m³−6%
12	Sankt ValentinLower Austria, Austria	54	52	−0.6 µg/m³−6%
13	TullnLower Austria, Austria	54	53	−0.4 µg/m³−4%
14	Bruck an der MurStyria, Austria	55	54	−0.4 µg/m³−4%
15	ViennaAustria	52	51	−0.2 µg/m³−2%

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.