Updated: 2025-12-05 05:27 CET

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Locality

Basic data		Locality photo
Locality:	Opava-Katerinky
Code:	TOVKA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/U/R
Localization
Coordinates:	49° 56´ 41.958" North latitude 17° 54´ 34.310" East longitude
Altitude:	255 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							81.9	57.9	64.4
2025-12-04 06:00 - 07:00 CET							69.5	59.5	80.6
2025-12-04 07:00 - 08:00 CET							70.7	61.0	68.3
2025-12-04 08:00 - 09:00 CET							72.4	62.6	69.8
2025-12-04 09:00 - 10:00 CET							66.2	63.6	72.3
2025-12-04 10:00 - 11:00 CET							73.7	65.1	70.4
2025-12-04 11:00 - 12:00 CET							85.4	66.8	72.4
2025-12-04 12:00 - 13:00 CET							80.7	67.4	81.3
2025-12-04 13:00 - 14:00 CET							57.6	67.9	57.3
2025-12-04 14:00 - 15:00 CET							56.9	69.1	56.8
2025-12-04 15:00 - 16:00 CET							65.5	70.4	53.9
2025-12-04 16:00 - 17:00 CET							70.1	72.4	63.4
2025-12-04 17:00 - 18:00 CET							73.9	74.6	59.8
2025-12-04 18:00 - 19:00 CET							64.8	75.8	75.0
2025-12-04 19:00 - 20:00 CET							104.5	77.8	83.3
2025-12-04 20:00 - 21:00 CET							104.4	79.2	117.1
2025-12-04 21:00 - 22:00 CET							98.9	80.4	105.5
2025-12-04 22:00 - 23:00 CET							94.4	80.6	97.2
2025-12-04 23:00 - 00:00 CET							91.4	80.1	89.2
2025-12-05 00:00 - 01:00 CET							93.6	80.5	75.8
2025-12-05 01:00 - 02:00 CET							83.7	79.9	93.2
2025-12-05 02:00 - 03:00 CET							81.2	79.4	84.9
2025-12-05 03:00 - 04:00 CET							83.0	79.2	76.4
2025-12-05 04:00 - 05:00 CET							73.3	79.1	68.3

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