Updated: 2025-08-02 02:27 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	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
2025-08-01 02:00 - 03:00 CEST			6.5				10.9	9.7
2025-08-01 03:00 - 04:00 CEST			6.9				7.1	9.9
2025-08-01 04:00 - 05:00 CEST							10.1	10.1
2025-08-01 05:00 - 06:00 CEST			8.0				6.9	10.2
2025-08-01 06:00 - 07:00 CEST			12.2				4.5	10.3
2025-08-01 07:00 - 08:00 CEST			12.2				6.8	10.1
2025-08-01 08:00 - 09:00 CEST			9.2				14.5	9.9
2025-08-01 09:00 - 10:00 CEST			7.7				7.3	9.6
2025-08-01 10:00 - 11:00 CEST			5.2				5.6	9.5
2025-08-01 11:00 - 12:00 CEST			4.2				4.9	8.8
2025-08-01 12:00 - 13:00 CEST			3.6				5.5	8.6
2025-08-01 13:00 - 14:00 CEST			4.2				4.3	8.5
2025-08-01 14:00 - 15:00 CEST			3.8				4.2	8.1
2025-08-01 15:00 - 16:00 CEST			9.0				3.8	7.9
2025-08-01 16:00 - 17:00 CEST			5.9				3.1	7.3
2025-08-01 17:00 - 18:00 CEST			4.2				1.0	6.4
2025-08-01 18:00 - 19:00 CEST			5.7				1.0	6.0
2025-08-01 19:00 - 20:00 CEST			12.2				5.9	5.9
2025-08-01 20:00 - 21:00 CEST			15.7				4.5	5.9
2025-08-01 21:00 - 22:00 CEST			20.5				6.8	5.9
2025-08-01 22:00 - 23:00 CEST			16.3				5.2	6.1
2025-08-01 23:00 - 00:00 CEST			7.5				11.1	6.5
2025-08-02 00:00 - 01:00 CEST			5.7				6.7	6.7
2025-08-02 01:00 - 02:00 CEST			4.2				7.1	6.2

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