Updated: 2026-07-23 07:28 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
2026-07-22 07:00 - 08:00 CEST					31.1	38.2
2026-07-22 08:00 - 09:00 CEST					42.9	37.6
2026-07-22 09:00 - 10:00 CEST					62.2	39.9
2026-07-22 10:00 - 11:00 CEST					75.0	44.4
2026-07-22 11:00 - 12:00 CEST					83.8	49.3
2026-07-22 12:00 - 13:00 CEST					92.0	55.8
2026-07-22 13:00 - 14:00 CEST					95.8	63.9
2026-07-22 14:00 - 15:00 CEST					96.4	72.4
2026-07-22 15:00 - 16:00 CEST					96.4	80.6
2026-07-22 16:00 - 17:00 CEST					93.2	86.8
2026-07-22 17:00 - 18:00 CEST					94.0	90.8
2026-07-22 18:00 - 19:00 CEST					93.4	93.1
2026-07-22 19:00 - 20:00 CEST					90.4	93.9
2026-07-22 20:00 - 21:00 CEST					85.0	93.1
2026-07-22 21:00 - 22:00 CEST					81.4	91.3
2026-07-22 22:00 - 23:00 CEST					76.6	88.8
2026-07-22 23:00 - 00:00 CEST					71.6	85.7
2026-07-23 00:00 - 01:00 CEST					67.6	82.5
2026-07-23 01:00 - 02:00 CEST					63.2	78.7
2026-07-23 02:00 - 03:00 CEST					60.0	74.5
2026-07-23 03:00 - 04:00 CEST						72.2
2026-07-23 04:00 - 05:00 CEST					45.9	66.6
2026-07-23 05:00 - 06:00 CEST					40.5	60.8
2026-07-23 06:00 - 07:00 CEST					39.7	55.5

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