Updated: 2025-12-05 05:27 CET

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Locality

Basic data		Locality photo
Locality:	Hojna Voda
Code:	CHVOA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/R/N-REG
Localization
Coordinates:	48° 43´ 27.111" North latitude 14° 43´ 24.175" East longitude
Altitude:	818 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
2025-12-04 05:00 - 06:00 CET					30.7	33.3	4.2	6.3
2025-12-04 06:00 - 07:00 CET					32.3	33.1	4.2	6.5
2025-12-04 07:00 - 08:00 CET					31.7	32.8	3.1	6.6
2025-12-04 08:00 - 09:00 CET					30.9	32.2	2.1	6.5
2025-12-04 09:00 - 10:00 CET					29.9	31.6	3.5	6.5
2025-12-04 10:00 - 11:00 CET					31.1	31.1	2.3	6.5
2025-12-04 11:00 - 12:00 CET					29.7	31.0	2.1	6.5
2025-12-04 12:00 - 13:00 CET					31.7	31.0	1.0	6.4
2025-12-04 13:00 - 14:00 CET					29.5	30.9	2.9	6.1
2025-12-04 14:00 - 15:00 CET					30.5	30.6	2.0	5.2
2025-12-04 15:00 - 16:00 CET					31.1	30.5	3.3	4.7
2025-12-04 16:00 - 17:00 CET					32.3	30.7	11.5	4.8
2025-12-04 17:00 - 18:00 CET					43.3	32.4	7.6	4.9
2025-12-04 18:00 - 19:00 CET					51.7	35.0	4.4	4.8
2025-12-04 19:00 - 20:00 CET					50.7	37.6	2.8	4.5
2025-12-04 20:00 - 21:00 CET					40.5	38.7	2.3	4.1
2025-12-04 21:00 - 22:00 CET					29.7	38.7	3.8	3.9
2025-12-04 22:00 - 23:00 CET					29.5	38.6	10.7	4.1
2025-12-04 23:00 - 00:00 CET					31.9	38.7	5.8	4.1
2025-12-05 00:00 - 01:00 CET					30.7	38.5	4.6	4.2
2025-12-05 01:00 - 02:00 CET					30.3	36.9	3.4	4.1
2025-12-05 02:00 - 03:00 CET					29.1	34.0	3.9	4.1
2025-12-05 03:00 - 04:00 CET						31.7	3.6	4.1
2025-12-05 04:00 - 05:00 CET					25.9	29.6	4.0	4.1

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