Updated: 2025-12-05 05:27 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
2025-12-04 05:00 - 06:00 CET			22.4				42.8	20.4
2025-12-04 06:00 - 07:00 CET			23.7				25.0	21.0
2025-12-04 07:00 - 08:00 CET			23.3				40.6	22.4
2025-12-04 08:00 - 09:00 CET			25.1				26.4	23.0
2025-12-04 09:00 - 10:00 CET			22.4				20.8	23.3
2025-12-04 10:00 - 11:00 CET			13.6				18.9	23.8
2025-12-04 11:00 - 12:00 CET			12.8				10.1	23.8
2025-12-04 12:00 - 13:00 CET			11.7				6.4	23.6
2025-12-04 13:00 - 14:00 CET			9.0				11.6	23.5
2025-12-04 14:00 - 15:00 CET			10.5				11.4	23.4
2025-12-04 15:00 - 16:00 CET			14.5				15.4	23.6
2025-12-04 16:00 - 17:00 CET							7.9	23.2
2025-12-04 17:00 - 18:00 CET			21.8				9.5	22.6
2025-12-04 18:00 - 19:00 CET			30.4				22.2	23.0
2025-12-04 19:00 - 20:00 CET			31.9				22.2	23.1
2025-12-04 20:00 - 21:00 CET			30.6				22.2	22.7
2025-12-04 21:00 - 22:00 CET			32.5				26.4	22.4
2025-12-04 22:00 - 23:00 CET			29.5				24.2	22.5
2025-12-04 23:00 - 00:00 CET			26.2				29.9	22.7
2025-12-05 00:00 - 01:00 CET			24.3				33.2	22.8
2025-12-05 01:00 - 02:00 CET			22.0				25.8	22.9
2025-12-05 02:00 - 03:00 CET			15.7				23.9	22.4
2025-12-05 03:00 - 04:00 CET			12.4				13.1	21.6
2025-12-05 04:00 - 05:00 CET			10.9				21.5	21.3

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