Updated: 2025-12-05 05:27 CET

---

Locality

Basic data		Locality photo
Locality:	Cheb
Code:	KCHMA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/S/R
Localization
Coordinates:	50° 3´ 57.099" North latitude 12° 21´ 48.393" East longitude
Altitude:	493 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							3.6	7.8
2025-12-04 06:00 - 07:00 CET							2.8	7.7
2025-12-04 07:00 - 08:00 CET							1.0	7.5
2025-12-04 08:00 - 09:00 CET							18.1	7.8
2025-12-04 09:00 - 10:00 CET							11.4	7.6
2025-12-04 10:00 - 11:00 CET							8.1	7.6
2025-12-04 11:00 - 12:00 CET							6.2	7.3
2025-12-04 12:00 - 13:00 CET							5.5	6.9
2025-12-04 13:00 - 14:00 CET							13.0	6.8
2025-12-04 14:00 - 15:00 CET							7.6	6.7
2025-12-04 15:00 - 16:00 CET							5.5	6.7
2025-12-04 16:00 - 17:00 CET							2.8	6.5
2025-12-04 17:00 - 18:00 CET							3.0	6.5
2025-12-04 18:00 - 19:00 CET							2.3	6.4
2025-12-04 19:00 - 20:00 CET							2.1	6.3
2025-12-04 20:00 - 21:00 CET							2.7	6.3
2025-12-04 21:00 - 22:00 CET							12.1	6.1
2025-12-04 22:00 - 23:00 CET							7.2	6.0
2025-12-04 23:00 - 00:00 CET							4.8	6.0
2025-12-05 00:00 - 01:00 CET							8.5	6.2
2025-12-05 01:00 - 02:00 CET							6.4	6.3
2025-12-05 02:00 - 03:00 CET							13.1	6.7
2025-12-05 03:00 - 04:00 CET							8.5	6.7
2025-12-05 04:00 - 05:00 CET							5.9	6.8

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality