Updated: 2025-10-03 22:27 CEST

---

Locality

Basic data		Locality photo
Locality:	Usti n.L.-mesto
Code:	UULMA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/U/RC
Localization
Coordinates:	50° 39´ 39.941" North latitude 14° 2´ 35.027" East longitude
Altitude:	147 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
2025-10-02 22:00 - 23:00 CEST			11.7				7.9	14.7
2025-10-02 23:00 - 00:00 CEST			10.9				12.8	14.7
2025-10-03 00:00 - 01:00 CEST			8.4				18.9	14.7
2025-10-03 01:00 - 02:00 CEST			6.9				11.3	14.5
2025-10-03 02:00 - 03:00 CEST			6.3				7.3	13.9
2025-10-03 03:00 - 04:00 CEST			7.1				15.6	13.9
2025-10-03 04:00 - 05:00 CEST							14.1	13.9
2025-10-03 05:00 - 06:00 CEST			15.1				9.7	14.0
2025-10-03 06:00 - 07:00 CEST			22.4				12.0	14.0
2025-10-03 07:00 - 08:00 CEST								14.2
2025-10-03 08:00 - 09:00 CEST			23.7				14.6	13.9
2025-10-03 09:00 - 10:00 CEST			23.5				38.8	14.6
2025-10-03 10:00 - 11:00 CEST			22.2				35.1	14.5
2025-10-03 11:00 - 12:00 CEST			19.9				41.3	14.9
2025-10-03 12:00 - 13:00 CEST			19.5				31.7	15.4
2025-10-03 13:00 - 14:00 CEST			12.8				26.3	16.1
2025-10-03 14:00 - 15:00 CEST			9.2				23.9	16.6
2025-10-03 15:00 - 16:00 CEST			10.3				12.0	16.8
2025-10-03 16:00 - 17:00 CEST			17.6				7.3	16.9
2025-10-03 17:00 - 18:00 CEST			27.2				5.3	17.0
2025-10-03 18:00 - 19:00 CEST			37.3				4.6	16.8
2025-10-03 19:00 - 20:00 CEST			34.0				6.1	16.6
2025-10-03 20:00 - 21:00 CEST			32.3				17.9	16.9
2025-10-03 21:00 - 22:00 CEST			24.3				16.2	17.0

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality