Updated: 2025-10-03 22:27 CEST

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Locality

Basic data		Locality photo
Locality:	Hradec Kralove-observator
Code:	HHKOK
Type of measuring programme:	Combination measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/S/R
Localization
Coordinates:	50° 10´ 39.473" North latitude 15° 50´ 18.205" East longitude
Altitude:	276 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
2025-10-02 22:00 - 23:00 CEST					26.3	50.7
2025-10-02 23:00 - 00:00 CEST					30.9	45.4
2025-10-03 00:00 - 01:00 CEST					34.3	40.7
2025-10-03 01:00 - 02:00 CEST					21.1	34.7
2025-10-03 02:00 - 03:00 CEST					24.9	30.6
2025-10-03 03:00 - 04:00 CEST						28.6
2025-10-03 04:00 - 05:00 CEST					11.2	24.7
2025-10-03 05:00 - 06:00 CEST					10.8	22.8
2025-10-03 06:00 - 07:00 CEST					7.0	20.0
2025-10-03 07:00 - 08:00 CEST					8.8	16.9
2025-10-03 08:00 - 09:00 CEST					9.4	13.3
2025-10-03 09:00 - 10:00 CEST					16.8	12.7
2025-10-03 10:00 - 11:00 CEST					30.5	13.5
2025-10-03 11:00 - 12:00 CEST					43.3	17.2
2025-10-03 12:00 - 13:00 CEST					55.9	22.8
2025-10-03 13:00 - 14:00 CEST					71.2	30.4
2025-10-03 14:00 - 15:00 CEST					72.8	38.6
2025-10-03 15:00 - 16:00 CEST					74.0	46.7
2025-10-03 16:00 - 17:00 CEST					75.4	55.0
2025-10-03 17:00 - 18:00 CEST					73.4	62.1
2025-10-03 18:00 - 19:00 CEST					59.7	65.7
2025-10-03 19:00 - 20:00 CEST					50.5	66.6
2025-10-03 20:00 - 21:00 CEST					54.1	66.4
2025-10-03 21:00 - 22:00 CEST					43.7	63.0

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