Updated: 2026-04-11 19:26 CEST

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Locality

Basic data		Locality photo
Locality:	Sneznik
Code:	USNZA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/R/N-REG
Localization
Coordinates:	50° 47´ 21.998" North latitude 14° 5´ 12.475" East longitude
Altitude:	590 m

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Actual measured level of air pollution

Actual unverified data

Date and time	SO₂		NO₂	CO	O₃		PM₁₀		PM₂.₅
	1h	24h average	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
2026-04-10 19:00 - 20:00 CEST	5.6	3.9	31.4		17.8	39.9
2026-04-10 20:00 - 21:00 CEST	4.5	4.0	18.9		29.1	36.6
2026-04-10 21:00 - 22:00 CEST	2.9	4.0	15.7		36.9	34.6
2026-04-10 22:00 - 23:00 CEST	2.9	4.0	15.7		39.5	33.2
2026-04-10 23:00 - 00:00 CEST	1.3	3.9	9.2		58.7	34.8
2026-04-11 00:00 - 01:00 CEST		3.9				33.6
2026-04-11 01:00 - 02:00 CEST
2026-04-11 02:00 - 03:00 CEST
2026-04-11 03:00 - 04:00 CEST
2026-04-11 04:00 - 05:00 CEST
2026-04-11 05:00 - 06:00 CEST
2026-04-11 06:00 - 07:00 CEST
2026-04-11 07:00 - 08:00 CEST
2026-04-11 08:00 - 09:00 CEST
2026-04-11 09:00 - 10:00 CEST
2026-04-11 10:00 - 11:00 CEST
2026-04-11 11:00 - 12:00 CEST
2026-04-11 12:00 - 13:00 CEST
2026-04-11 13:00 - 14:00 CEST
2026-04-11 14:00 - 15:00 CEST
2026-04-11 15:00 - 16:00 CEST
2026-04-11 16:00 - 17:00 CEST
2026-04-11 17:00 - 18:00 CEST
2026-04-11 18:00 - 19:00 CEST

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

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Map of station position

Map is on page with detailed information about locality