Updated: 2026-05-24 17:27 CEST

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Locality

Basic data		Locality photo
Locality:	Praha 4-Chodov
Code:	ACHOA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/U/RN
Localization
Coordinates:	50° 1´ 48.614" North latitude 14° 31´ 2.821" East longitude
Altitude:	300 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
2026-05-23 17:00 - 18:00 CEST			4.2				17.7	17.6
2026-05-23 18:00 - 19:00 CEST			4.2				11.8	17.9
2026-05-23 19:00 - 20:00 CEST			4.6				11.2	17.3
2026-05-23 20:00 - 21:00 CEST			9.9				5.6	17.1
2026-05-23 21:00 - 22:00 CEST			14.3				14.4	17.2
2026-05-23 22:00 - 23:00 CEST			10.3				20.2	17.4
2026-05-23 23:00 - 00:00 CEST			15.5				23.0	17.7
2026-05-24 00:00 - 01:00 CEST			20.1				12.5	17.7
2026-05-24 01:00 - 02:00 CEST			11.7				21.9	17.8
2026-05-24 02:00 - 03:00 CEST			9.8				19.3	17.9
2026-05-24 03:00 - 04:00 CEST			9.8				16.6	18.1
2026-05-24 04:00 - 05:00 CEST			10.3				23.8	17.7
2026-05-24 05:00 - 06:00 CEST			8.8				31.9	18.2
2026-05-24 06:00 - 07:00 CEST			8.6				34.3	18.6
2026-05-24 07:00 - 08:00 CEST							30.2	18.8
2026-05-24 08:00 - 09:00 CEST			7.8				25.2	18.6
2026-05-24 09:00 - 10:00 CEST			7.5				24.0	19.0
2026-05-24 10:00 - 11:00 CEST			7.5				15.5	19.0
2026-05-24 11:00 - 12:00 CEST			5.2				8.8	18.3
2026-05-24 12:00 - 13:00 CEST			5.0				7.1	17.7
2026-05-24 13:00 - 14:00 CEST			4.2				8.9	17.5
2026-05-24 14:00 - 15:00 CEST			3.8				18.7	18.0
2026-05-24 15:00 - 16:00 CEST			3.3				10.0	17.7
2026-05-24 16:00 - 17:00 CEST			3.8				9.7	17.6

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