Updated: 2026-05-24 17:25 CEST

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Basic data		Locality photo
Locality:	Trebic
Code:	JTREA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/S/RN
Localization
Coordinates:	49° 13´ 24.378" North latitude 15° 51´ 56.801" East longitude
Altitude:	462 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
2026-05-23 15:00 - 18:00 CEST	2A			5.9	83.3
2026-05-23 16:00 - 19:00 CEST	2A			5.9	81.7
2026-05-23 17:00 - 20:00 CEST	2A			6.2	78.9
2026-05-23 18:00 - 21:00 CEST	1B			9.2	67.3
2026-05-23 19:00 - 22:00 CEST	1B			8.7	58.9
2026-05-23 20:00 - 23:00 CEST	1B			9.8	47.1
2026-05-23 21:00 - 00:00 CEST	1B			9.6	39.0
2026-05-23 22:00 - 01:00 CEST	1B			11.1	27.8
2026-05-23 23:00 - 02:00 CEST	1A			15.0	17.4
2026-05-24 00:00 - 03:00 CEST	1A			18.1	13.3
2026-05-24 01:00 - 04:00 CEST	1A			19.3	8.2
2026-05-24 02:00 - 05:00 CEST	1A			18.7	7.5
2026-05-24 03:00 - 06:00 CEST	1A			15.5	7.1
2026-05-24 04:00 - 07:00 CEST	1A			21.3	7.4
2026-05-24 05:00 - 08:00 CEST	1B			23.0	11.0
2026-05-24 06:00 - 09:00 CEST	1B			23.7	21.8
2026-05-24 07:00 - 10:00 CEST	1B			15.8	37.3
2026-05-24 08:00 - 11:00 CEST	1B			13.4	57.1
2026-05-24 09:00 - 12:00 CEST	2A			12.3	70.6
2026-05-24 10:00 - 13:00 CEST	2A			13.5	80.1
2026-05-24 11:00 - 14:00 CEST	2A			12.2	83.3
2026-05-24 12:00 - 15:00 CEST	2A			11.2	87.5
2026-05-24 13:00 - 16:00 CEST	2A			9.2	90.7
2026-05-24 14:00 - 17:00 CEST	2A			9.1	92.1

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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