Updated: 2025-06-11 02:27 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
2025-06-10 00:00 - 03:00 CEST	2B	1.8	15.4		59.0
2025-06-10 01:00 - 04:00 CEST	2B	1.8	13.7		56.9
2025-06-10 02:00 - 05:00 CEST	2A	1.9	12.6		53.0
2025-06-10 03:00 - 06:00 CEST	2A	1.9	12.7		49.5
2025-06-10 04:00 - 07:00 CEST	2A	1.7	14.0		46.9
2025-06-10 05:00 - 08:00 CEST	2A	1.5	15.3		46.2
2025-06-10 06:00 - 09:00 CEST	2A	1.7	14.8		48.6
2025-06-10 07:00 - 10:00 CEST	2B	1.9	13.0		57.3
2025-06-10 08:00 - 11:00 CEST	2B	2.0	9.7		65.9
2025-06-10 09:00 - 12:00 CEST	2B	2.0	7.8		78.8
2025-06-10 10:00 - 13:00 CEST	2B	2.1	6.8		88.6
2025-06-10 11:00 - 14:00 CEST	2B	2.3	6.6		94.1
2025-06-10 12:00 - 15:00 CEST	2B	2.4	6.6		98.1
2025-06-10 13:00 - 16:00 CEST	2B	2.4	6.9		101.7
2025-06-10 14:00 - 17:00 CEST	2B	2.2	7.6		104.2
2025-06-10 15:00 - 18:00 CEST	2B	1.9	8.1		106.3
2025-06-10 16:00 - 19:00 CEST	2B	1.9	8.5		107.6
2025-06-10 17:00 - 20:00 CEST	2B	2.0	9.0		106.3
2025-06-10 18:00 - 21:00 CEST	2B	2.3	10.5		101.3
2025-06-10 19:00 - 22:00 CEST	2B	2.5	14.3		92.0
2025-06-10 20:00 - 23:00 CEST	2B	2.4	19.1		79.0
2025-06-10 21:00 - 00:00 CEST	2B	2.5	19.9		79.2
2025-06-10 22:00 - 01:00 CEST	2B	2.6	18.4		83.0
2025-06-10 23:00 - 02:00 CEST	2B	3.3	15.7		93.9

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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