Updated: 2025-01-22 05:29 CET

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Basic data		Locality photo
Locality:	Hojna Voda
Code:	CHVOA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/R/N-REG
Localization
Coordinates:	48° 43´ 27.111" North latitude 14° 43´ 24.175" East longitude
Altitude:	818 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
2025-01-21 03:00 - 06:00 CET	1A			16.6	16.3
2025-01-21 04:00 - 07:00 CET	1A			17.9	16.2
2025-01-21 05:00 - 08:00 CET	1A			15.7	15.7
2025-01-21 06:00 - 09:00 CET	1A			15.8	16.0
2025-01-21 07:00 - 10:00 CET	1A			19.3	16.0
2025-01-21 08:00 - 11:00 CET	1A			23.7	16.4
2025-01-21 09:00 - 12:00 CET	1A			25.2	18.5
2025-01-21 10:00 - 13:00 CET	1A			22.6	20.1
2025-01-21 11:00 - 14:00 CET	1A			20.0	22.0
2025-01-21 12:00 - 15:00 CET	1A			19.0	22.4
2025-01-21 13:00 - 16:00 CET	1A			21.1	24.0
2025-01-21 14:00 - 17:00 CET	1A			19.2	24.4
2025-01-21 15:00 - 18:00 CET	1A			19.4	22.8
2025-01-21 16:00 - 19:00 CET	1A			19.2	22.0
2025-01-21 17:00 - 20:00 CET	1A			22.0	28.3
2025-01-21 18:00 - 21:00 CET	1A			17.4	37.8
2025-01-21 19:00 - 22:00 CET	1A			19.4	47.9
2025-01-21 20:00 - 23:00 CET	1A			17.8	50.8
2025-01-21 21:00 - 00:00 CET	1A			16.9	54.7
2025-01-21 22:00 - 01:00 CET	1A			9.9	61.5
2025-01-21 23:00 - 02:00 CET	1A			6.6	70.2
2025-01-22 00:00 - 03:00 CET	1A			5.5	77.1
2025-01-22 01:00 - 04:00 CET	1A			4.8	78.9
2025-01-22 02:00 - 05:00 CET	1A			4.0	83.2

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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