Updated: 2026-04-04 18:25 CEST

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Basic data		Locality photo
Locality:	Karvina ZU
Code:	TKAOK
Type of measuring programme:	Combination measuring program
Locality owner:	Health Institute Ostrava
Classification
Abbreviation:	T/U/R
Localization
Coordinates:	49° 51´ 29.438" North latitude 18° 33´ 19.368" East longitude
Altitude:	251 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		PM₂.₅
		3h average	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		µg∙m⁻³
2026-04-03 16:00 - 19:00 CEST	1A		7.4	15.7						12.7
2026-04-03 17:00 - 20:00 CEST	1A		10.4	16.7						12.7
2026-04-03 18:00 - 21:00 CEST	1A		13.1	22.0						17.3
2026-04-03 19:00 - 22:00 CEST	1B		18.6	28.3						23.0
2026-04-03 20:00 - 23:00 CEST	1B		28.6	37.0						29.7
2026-04-03 21:00 - 00:00 CEST	1B		31.1	40.0						32.3
2026-04-03 22:00 - 01:00 CEST	1B		29.1	40.0						33.0
2026-04-03 23:00 - 02:00 CEST	1B		21.9	37.3						31.7
2026-04-04 00:00 - 03:00 CEST	1B		29.8	37.3						30.7
2026-04-04 01:00 - 04:00 CEST	1B		31.2	35.7						29.0
2026-04-04 02:00 - 05:00 CEST	1B		28.9	32.0						26.7
2026-04-04 03:00 - 06:00 CEST	1B		17.0	27.3						23.7
2026-04-04 04:00 - 07:00 CEST	1B		13.1	25.3						21.7
2026-04-04 05:00 - 08:00 CEST	1A		13.0	24.3						20.3
2026-04-04 06:00 - 09:00 CEST	1A		12.8	22.7						18.3
2026-04-04 07:00 - 10:00 CEST	1A		11.6	20.0						15.3
2026-04-04 08:00 - 11:00 CEST	1A		8.2	17.0						12.3
2026-04-04 09:00 - 12:00 CEST	1A		5.8	14.7						10.3
2026-04-04 10:00 - 13:00 CEST	1A		5.1	13.3						9.3
2026-04-04 11:00 - 14:00 CEST	1A		5.1	12.3						8.3
2026-04-04 12:00 - 15:00 CEST	1A		5.1	11.0						7.3
2026-04-04 13:00 - 16:00 CEST	1A		3.8	9.3						6.3
2026-04-04 14:00 - 17:00 CEST	1A		5.2	8.0						5.7
2026-04-04 15:00 - 18:00 CEST	1A		7.1	7.0						5.0

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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