Updated: 2025-12-05 05:27 CET

---

Locality

Basic data		Locality photo
Locality:	Churanov
Code:	CCHUA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/R/N-REG
Localization
Coordinates:	49° 4´ 6.368" North latitude 13° 36´ 53.285" East longitude
Altitude:	1118 m

---

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	1.5	2.0	0.1		80.0	79.9
2025-12-04 06:00 - 07:00 CET	1.5	2.0	0.1		82.4	80.7
2025-12-04 07:00 - 08:00 CET	1.8	2.0	0.1		82.2	81.1
2025-12-04 08:00 - 09:00 CET	1.5	2.0	0.2		81.8	81.1
2025-12-04 09:00 - 10:00 CET	1.6	2.0	0.2		79.4	81.4
2025-12-04 10:00 - 11:00 CET	1.5	2.0	0.2		83.0	81.6
2025-12-04 11:00 - 12:00 CET	1.8	2.0	0.1		84.0	82.1
2025-12-04 12:00 - 13:00 CET	2.0	1.9	0.3		80.0	81.6
2025-12-04 13:00 - 14:00 CET	2.7	1.8	1.1		66.0	79.8
2025-12-04 14:00 - 15:00 CET	3.4	1.8	1.9		41.7	74.8
2025-12-04 15:00 - 16:00 CET	3.8	1.8	4.1		21.9	67.2
2025-12-04 16:00 - 17:00 CET	2.9	1.9	4.9		26.5	60.3
2025-12-04 17:00 - 18:00 CET	2.1	1.9	4.9		34.9	54.8
2025-12-04 18:00 - 19:00 CET	2.1	1.9	2.3		53.7	51.1
2025-12-04 19:00 - 20:00 CET	2.7	2.0	3.5		41.1	45.7
2025-12-04 20:00 - 21:00 CET	2.2	2.0	2.4		46.5	41.5
2025-12-04 21:00 - 22:00 CET	3.0	2.1	3.5		38.3	38.1
2025-12-04 22:00 - 23:00 CET	1.9	2.1	2.2		51.5	39.3
2025-12-04 23:00 - 00:00 CET	2.2	2.1	2.3		45.7	42.3
2025-12-05 00:00 - 01:00 CET		2.1			50.3	45.2
2025-12-05 01:00 - 02:00 CET	2.3	2.1	1.6			46.7
2025-12-05 02:00 - 03:00 CET	1.9	2.2	1.5		51.7	46.4
2025-12-05 03:00 - 04:00 CET	2.1	2.2	1.9		43.1	46.7
2025-12-05 04:00 - 05:00 CET	2.3	2.2	2.1		37.1	45.4

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality