Updated: 2025-03-24 13:26 CET

---

Locality

Basic data		Locality photo
Locality:	Znojmo
Code:	BZNOA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/S/RN
Localization
Coordinates:	48° 50´ 34.644" North latitude 16° 3´ 36.458" East longitude
Altitude:	225 m

---

Actual measured level of air pollution

Actual unverified data

Date and time	SO₂		NO₂	CO	O₃		PM₁₀		PM₂.₅
	1h	24h	1h	8h average	1h	8h average	1h	24h average	1h
	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³
2025-03-23 13:00 - 14:00 CET			5.5				4.8	19.5	4.8
2025-03-23 14:00 - 15:00 CET			4.6				3.7	19.0	11.3
2025-03-23 15:00 - 16:00 CET			3.8				2.8	18.7	7.6
2025-03-23 16:00 - 17:00 CET			5.2				3.1	18.3	4.3
2025-03-23 17:00 - 18:00 CET			8.4				3.7	17.0	4.6
2025-03-23 18:00 - 19:00 CET			7.3				18.6	17.0	4.8
2025-03-23 19:00 - 20:00 CET			7.5				13.3	16.2	11.1
2025-03-23 20:00 - 21:00 CET			16.8				7.1	15.9	16.2
2025-03-23 21:00 - 22:00 CET			11.5				31.3	16.8	32.4
2025-03-23 22:00 - 23:00 CET			8.4				16.6	16.8	17.3
2025-03-23 23:00 - 00:00 CET			6.5				9.0	15.6	9.0
2025-03-24 00:00 - 01:00 CET			9.9				6.7	15.0	25.4
2025-03-24 01:00 - 02:00 CET			9.2				3.5	14.4	15.2
2025-03-24 02:00 - 03:00 CET			6.5				2.7	13.4	8.2
2025-03-24 03:00 - 04:00 CET			9.9				8.8	12.3	5.8
2025-03-24 04:00 - 05:00 CET			20.7				9.5	11.9	2.8
2025-03-24 05:00 - 06:00 CET			24.3				8.4	11.3	4.0
2025-03-24 06:00 - 07:00 CET			22.2				9.2	11.1	5.9
2025-03-24 07:00 - 08:00 CET			28.3				28.5	11.2	5.4
2025-03-24 08:00 - 09:00 CET			32.5				15.1	10.6	11.2
2025-03-24 09:00 - 10:00 CET			21.0				9.0	10.1	15.1
2025-03-24 10:00 - 11:00 CET							7.6	9.9	8.4
2025-03-24 11:00 - 12:00 CET			8.6				11.7	10.0	6.8
2025-03-24 12:00 - 13:00 CET			9.8				23.6	10.8	4.7

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality