Updated: 2026-08-20 13:26 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
2026-08-19 13:00 - 14:00 CEST	5.9	4.2	10.1		47.3	45.5
2026-08-19 14:00 - 15:00 CEST	5.9	4.2	9.8		51.3	45.2
2026-08-19 15:00 - 16:00 CEST	3.7	4.0	6.1		61.2	46.9
2026-08-19 16:00 - 17:00 CEST	2.7	3.8	5.7		70.6	50.4
2026-08-19 17:00 - 18:00 CEST	5.1	3.9	7.1		70.2	54.2
2026-08-19 18:00 - 19:00 CEST	3.2	3.9	5.5		73.6	58.0
2026-08-19 19:00 - 20:00 CEST	3.5	3.9	4.2		74.6	61.9
2026-08-19 20:00 - 21:00 CEST	5.1	3.9	5.9		80.0	66.1
2026-08-19 21:00 - 22:00 CEST	7.2	4.1	9.6		71.2	69.1
2026-08-19 22:00 - 23:00 CEST	5.1	4.2	8.2		64.4	70.7
2026-08-19 23:00 - 00:00 CEST	5.1	4.3	6.5		59.1	70.5
2026-08-20 00:00 - 01:00 CEST	2.9	4.3	5.5			70.4
2026-08-20 01:00 - 02:00 CEST	3.5	4.4	2.5		83.8	72.4
2026-08-20 02:00 - 03:00 CEST	4.0	4.4	2.9		64.6	71.1
2026-08-20 03:00 - 04:00 CEST	3.7	4.5	2.7		57.1	68.6
2026-08-20 04:00 - 05:00 CEST	2.9	4.5	5.2		51.1	64.5
2026-08-20 05:00 - 06:00 CEST	4.0	4.6	8.0		43.9	60.6
2026-08-20 06:00 - 07:00 CEST	4.5	4.8	8.0		50.7	58.6
2026-08-20 07:00 - 08:00 CEST	3.5	4.8	1.9		69.4	60.1
2026-08-20 08:00 - 09:00 CEST		4.8			61.2	60.2
2026-08-20 09:00 - 10:00 CEST	4.8	4.8	4.8		54.7	56.6
2026-08-20 10:00 - 11:00 CEST	4.3	4.5	3.1		64.0	56.5
2026-08-20 11:00 - 12:00 CEST	1.3	4.2	2.9		68.4	57.9
2026-08-20 12:00 - 13:00 CEST	1.3	4.1	1.0		79.4	61.5

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