Updated: 2026-06-15 07:27 CEST

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Basic data
Locality:	Wien-Stephansplatz
Code:	1STEA
Type of measuring programme:	Automated measuring program
Locality owner:	Magistrat der Stadt Wien
Classification
Abbreviation:	B/U/R
Localization
Coordinates:	48° 12´ 32.000" North latitude 16° 22´ 26.017" East longitude
Altitude:	173 m

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Actual measured level of air pollution

Actual unverified data

Date and time	Air quality	SO₂	NO₂	PM₁₀	O₃
		3h average	3h average	3h average	3h average
		µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³
2026-06-14 05:00 - 08:00 CEST	1B	3.1	6.1		64.5
2026-06-14 06:00 - 09:00 CEST	1B	3.1	6.9		63.0
2026-06-14 07:00 - 10:00 CEST	1B	3.0	8.2		63.2
2026-06-14 08:00 - 11:00 CEST	2A	2.9	9.5		64.1
2026-06-14 09:00 - 12:00 CEST	2A	3.0	9.7		66.1
2026-06-14 10:00 - 13:00 CEST	2A	3.2	9.3		73.6
2026-06-14 11:00 - 14:00 CEST	2A	3.4	6.2		81.3
2026-06-14 12:00 - 15:00 CEST	2A	3.4	4.1		88.1
2026-06-14 13:00 - 16:00 CEST	2A	3.4	4.3		89.6
2026-06-14 14:00 - 17:00 CEST	2A	3.3	4.3		89.2
2026-06-14 15:00 - 18:00 CEST	2A	3.3	4.3		89.4
2026-06-14 16:00 - 19:00 CEST	2A	3.3	4.2		89.3
2026-06-14 17:00 - 20:00 CEST	2A	3.2	4.3		90.1
2026-06-14 18:00 - 21:00 CEST	2A	3.2	5.0		89.7
2026-06-14 19:00 - 22:00 CEST	2A	3.1	5.5		88.9
2026-06-14 20:00 - 23:00 CEST	2A	3.1	5.7		87.9
2026-06-14 21:00 - 00:00 CEST	2A	3.1	5.0		86.7
2026-06-14 22:00 - 01:00 CEST	2A	3.1	4.0		86.1
2026-06-14 23:00 - 02:00 CEST	2A	3.1	3.2		85.7
2026-06-15 00:00 - 03:00 CEST	2A	3.0	2.9		84.8
2026-06-15 01:00 - 04:00 CEST	2A	3.0	3.2		82.9
2026-06-15 02:00 - 05:00 CEST	2A	3.0	3.3		79.6
2026-06-15 03:00 - 06:00 CEST	2A	3.0	3.5		77.7
2026-06-15 04:00 - 07:00 CEST	2A	2.9	4.2		72.8

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Legend

Level	Index range	Air quality
1A	≥ 0.00 and < 0.34	very good to good
1B	≥ 0.34 and < 0.67
2A	≥ 0.67 and < 1.00	acceptable
2B	≥ 1.00 and < 1.50
3A	≥ 1.50 and < 2.00	aggravated to bad
3B	≥ 2.00
	Component is not measured, index not determined
	Incomplete data

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Map of station position

Map is on page with detailed information about locality