Updated: 2025-12-07 23:27 CET

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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
2025-12-06 23:00 - 00:00 CET			9.0				12.9	11.9
2025-12-07 00:00 - 01:00 CET			8.8				6.9	11.7
2025-12-07 01:00 - 02:00 CET			10.3				5.5	11.4
2025-12-07 02:00 - 03:00 CET			7.3				26.9	12.2
2025-12-07 03:00 - 04:00 CET			6.9				13.9	12.0
2025-12-07 04:00 - 05:00 CET			7.7				7.2	12.0
2025-12-07 05:00 - 06:00 CET			7.7				17.4	12.3
2025-12-07 06:00 - 07:00 CET			7.1				10.0	12.4
2025-12-07 07:00 - 08:00 CET			7.3				7.9	12.2
2025-12-07 08:00 - 09:00 CET			7.1				6.6	11.6
2025-12-07 09:00 - 10:00 CET			8.6				8.2	11.5
2025-12-07 10:00 - 11:00 CET			8.4				13.5	11.8
2025-12-07 11:00 - 12:00 CET			8.2				7.7	11.7
2025-12-07 12:00 - 13:00 CET			6.9				4.2	11.5
2025-12-07 13:00 - 14:00 CET							3.9	11.4
2025-12-07 14:00 - 15:00 CET			8.0				6.6	11.4
2025-12-07 15:00 - 16:00 CET			11.1				4.3	11.1
2025-12-07 16:00 - 17:00 CET			14.3				3.5	10.9
2025-12-07 17:00 - 18:00 CET			15.7				5.8	10.6
2025-12-07 18:00 - 19:00 CET			17.2				7.3	10.5
2025-12-07 19:00 - 20:00 CET			13.6				5.2	10.3
2025-12-07 20:00 - 21:00 CET			11.7				3.6	9.3
2025-12-07 21:00 - 22:00 CET			9.4				12.4	9.1
2025-12-07 22:00 - 23:00 CET			7.8				14.8	9.0

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