Updated: 2025-12-05 05:27 CET

---

Locality

Basic data		Locality photo
Locality:	Praha 1-n. Republiky
Code:	AREPA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/U/C
Localization
Coordinates:	50° 5´ 17.038" North latitude 14° 25´ 45.193" East longitude
Altitude:	190 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			19.9				18.8	24.0
2025-12-04 06:00 - 07:00 CET							32.5	25.0
2025-12-04 07:00 - 08:00 CET			26.2				17.7	25.4
2025-12-04 08:00 - 09:00 CET			28.1				22.3	26.0
2025-12-04 09:00 - 10:00 CET			33.9				32.1	27.1
2025-12-04 10:00 - 11:00 CET			34.4				33.5	27.1
2025-12-04 11:00 - 12:00 CET			29.5				30.5	27.2
2025-12-04 12:00 - 13:00 CET			22.4				23.3	27.2
2025-12-04 13:00 - 14:00 CET			31.0				15.7	27.4
2025-12-04 14:00 - 15:00 CET			30.4				25.6	28.1
2025-12-04 15:00 - 16:00 CET			28.3				14.2	27.9
2025-12-04 16:00 - 17:00 CET			27.4				25.7	27.6
2025-12-04 17:00 - 18:00 CET			32.1				15.6	27.2
2025-12-04 18:00 - 19:00 CET			34.2				32.8	27.0
2025-12-04 19:00 - 20:00 CET			40.0				27.2	26.5
2025-12-04 20:00 - 21:00 CET			38.3				30.3	26.3
2025-12-04 21:00 - 22:00 CET			37.7				25.0	26.2
2025-12-04 22:00 - 23:00 CET			35.6				17.1	25.9
2025-12-04 23:00 - 00:00 CET			30.2				29.9	26.2
2025-12-05 00:00 - 01:00 CET			29.3				37.0	26.2
2025-12-05 01:00 - 02:00 CET			29.3				27.9	25.8
2025-12-05 02:00 - 03:00 CET			28.1				23.9	25.5
2025-12-05 03:00 - 04:00 CET			27.9				13.4	25.3
2025-12-05 04:00 - 05:00 CET			27.2				16.3	24.5

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality