Updated: 2025-07-04 17:28 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
2025-07-03 15:00 - 18:00 CEST	2B	2.4	6.1		128.6
2025-07-03 16:00 - 19:00 CEST	2B	2.2	6.3		125.8
2025-07-03 17:00 - 20:00 CEST	2B	2.1	6.3		120.3
2025-07-03 18:00 - 21:00 CEST	2B	2.2	6.2		122.7
2025-07-03 19:00 - 22:00 CEST	2B	2.3	6.0		123.9
2025-07-03 20:00 - 23:00 CEST	2B	2.4	5.4		125.4
2025-07-03 21:00 - 00:00 CEST	2B	2.5	4.8		120.7
2025-07-03 22:00 - 01:00 CEST	2B	2.5	4.4		116.2
2025-07-03 23:00 - 02:00 CEST	2B	2.4	4.4		109.6
2025-07-04 00:00 - 03:00 CEST	2B	2.1	4.2		102.9
2025-07-04 01:00 - 04:00 CEST	2A	2.0	4.2		94.7
2025-07-04 02:00 - 05:00 CEST	2A	2.1	4.1		88.7
2025-07-04 03:00 - 06:00 CEST	2A	2.3	4.3		80.4
2025-07-04 04:00 - 07:00 CEST	2A	2.4	5.3		75.6
2025-07-04 05:00 - 08:00 CEST	2A	2.3	7.4		65.9
2025-07-04 06:00 - 09:00 CEST	2A	2.3	9.5		65.6
2025-07-04 07:00 - 10:00 CEST	2A	2.3	12.1		66.8
2025-07-04 08:00 - 11:00 CEST	2A	2.3	11.3		74.5
2025-07-04 09:00 - 12:00 CEST	2A	2.2	9.7		82.1
2025-07-04 10:00 - 13:00 CEST	2A	2.5	6.9		89.5
2025-07-04 11:00 - 14:00 CEST	2A	2.5	6.8		88.1
2025-07-04 12:00 - 15:00 CEST	2A	2.4	7.2		81.7
2025-07-04 13:00 - 16:00 CEST	2A	2.3	6.7		78.5
2025-07-04 14:00 - 17:00 CEST	2A	2.3	6.3		77.2

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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