Updated: 2026-04-11 19:26 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
2026-04-10 19:00 - 20:00 CEST					66.8	75.9
2026-04-10 20:00 - 21:00 CEST					59.1	73.6
2026-04-10 21:00 - 22:00 CEST					62.0	71.6
2026-04-10 22:00 - 23:00 CEST					59.7	69.1
2026-04-10 23:00 - 00:00 CEST					56.5	66.2
2026-04-11 00:00 - 01:00 CEST					55.1	63.5
2026-04-11 01:00 - 02:00 CEST					48.5	60.0
2026-04-11 02:00 - 03:00 CEST					38.9	55.8
2026-04-11 03:00 - 04:00 CEST						54.3
2026-04-11 04:00 - 05:00 CEST					30.3	50.1
2026-04-11 05:00 - 06:00 CEST					29.7	45.5
2026-04-11 06:00 - 07:00 CEST					21.5	40.1
2026-04-11 07:00 - 08:00 CEST					23.1	35.3
2026-04-11 08:00 - 09:00 CEST					29.1	31.6
2026-04-11 09:00 - 10:00 CEST					42.9	30.8
2026-04-11 10:00 - 11:00 CEST					54.1	33.0
2026-04-11 11:00 - 12:00 CEST					62.8	36.7
2026-04-11 12:00 - 13:00 CEST					77.4	42.6
2026-04-11 13:00 - 14:00 CEST					92.0	50.4
2026-04-11 14:00 - 15:00 CEST					95.8	59.7
2026-04-11 15:00 - 16:00 CEST					99.4	69.2
2026-04-11 16:00 - 17:00 CEST					102.5	78.4
2026-04-11 17:00 - 18:00 CEST					103.7	86.0
2026-04-11 18:00 - 19:00 CEST					101.7	91.9

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