Updated: 2025-12-08 04:26 CET

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Basic data		Locality photo
Locality:	Praha 8-Karlin
Code:	AKALA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	T/U/C
Localization
Coordinates:	50° 5´ 39.258" North latitude 14° 26´ 31.376" East longitude
Altitude:	203 m

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Actual measured level of air pollution

Actual unverified data

Date and time	Air quality	SO₂	NO₂	PM₁₀	O₃		PM₁₀ - from model	O₃ - from model
		3h average	3h average	3h average	3h average		3h average	3h average
		µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³		µg∙m⁻³	µg∙m⁻³
2025-12-07 02:00 - 05:00 CET	1B		27.3	22.7
2025-12-07 03:00 - 06:00 CET	1B		27.2	24.7
2025-12-07 04:00 - 07:00 CET	1B		24.8	20.7
2025-12-07 05:00 - 08:00 CET	1A		23.0	19.4
2025-12-07 06:00 - 09:00 CET	1A		24.4	16.5
2025-12-07 07:00 - 10:00 CET	1A		24.3	16.2
2025-12-07 08:00 - 11:00 CET	1A		24.4	12.3
2025-12-07 09:00 - 12:00 CET	1A		26.0	10.8
2025-12-07 10:00 - 13:00 CET	1A		26.3	10.1
2025-12-07 11:00 - 14:00 CET	1A		28.1	9.3
2025-12-07 12:00 - 15:00 CET	1A		27.1	8.0
2025-12-07 13:00 - 16:00 CET	1A		28.5	11.0
2025-12-07 14:00 - 17:00 CET	1A		30.0	12.8
2025-12-07 15:00 - 18:00 CET	1A		34.2	14.0
2025-12-07 16:00 - 19:00 CET	1A		39.0	9.0
2025-12-07 17:00 - 20:00 CET	1A		42.5	8.8
2025-12-07 18:00 - 21:00 CET	1B		42.2	14.4
2025-12-07 19:00 - 22:00 CET	1B		38.4	24.1
2025-12-07 20:00 - 23:00 CET	1B		32.3	26.2
2025-12-07 21:00 - 00:00 CET	1B		27.3	21.5
2025-12-07 22:00 - 01:00 CET	1A		22.7	14.7
2025-12-07 23:00 - 02:00 CET	1A		18.6	11.3
2025-12-08 00:00 - 03:00 CET	1A		14.3	11.0
2025-12-08 01:00 - 04:00 CET	1A		11.9	12.1

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Legend

Level	Index range	Air quality
1A	≥ 0.00 and < 0.34	very good to good
1B	≥ 0.34 and < 0.67
2A	≥ 0.67 and < 1.00	acceptable
2B	≥ 1.00 and < 1.50
3A	≥ 1.50 and < 2.00	aggravated to bad
3B	≥ 2.00
	Component is not measured, index not determined
	Incomplete data

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Map of station position

Map is on page with detailed information about locality