Updated: 2025-03-14 12:25 CET

---

Basic data		Locality photo
Locality:	Havirov
Code:	THARA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/U/R
Localization
Coordinates:	49° 47´ 27.519" North latitude 18° 24´ 24.608" East longitude
Altitude:	260 m

---

Actual measured level of air pollution

Actual unverified data

Date and time	Air quality	SO₂	NO₂	PM₁₀	O₃		PM₁₀ - from model	O₃ - from model		PM₂.₅
		3h average	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		µg∙m⁻³
2025-03-13 10:00 - 13:00 CET	1A			17.9				21.8		13.9
2025-03-13 11:00 - 14:00 CET	1A			11.5				22.0		11.5
2025-03-13 12:00 - 15:00 CET	1A			6.9				25.3		13.4
2025-03-13 13:00 - 16:00 CET	1A			6.7				30.2		14.1
2025-03-13 14:00 - 17:00 CET	1A			10.4				34.3		13.1
2025-03-13 15:00 - 18:00 CET	1A			12.0				36.8		9.5
2025-03-13 16:00 - 19:00 CET	1A			10.8				38.5		8.4
2025-03-13 17:00 - 20:00 CET	1A			10.6				40.6		12.1
2025-03-13 18:00 - 21:00 CET	1A			11.0				45.2		11.3
2025-03-13 19:00 - 22:00 CET	1A			13.6				51.9		9.9
2025-03-13 20:00 - 23:00 CET	1A			10.9				58.4		6.7
2025-03-13 21:00 - 00:00 CET	1A			11.9				60.9		5.5
2025-03-13 22:00 - 01:00 CET	1A			10.4				60.3		4.8
2025-03-13 23:00 - 02:00 CET	1A			9.8				57.2		3.6
2025-03-14 00:00 - 03:00 CET	1A			6.9				55.2		3.8
2025-03-14 01:00 - 04:00 CET	1A			5.0				52.1		8.8
2025-03-14 02:00 - 05:00 CET	1A			10.0				52.0		10.5
2025-03-14 03:00 - 06:00 CET	1A			12.3				47.4		14.3
2025-03-14 04:00 - 07:00 CET	1A			16.9				43.6		11.6
2025-03-14 05:00 - 08:00 CET	1A			14.2				40.1		15.1
2025-03-14 06:00 - 09:00 CET	1A			18.7				41.8		12.7
2025-03-14 07:00 - 10:00 CET	1A			17.5				44.9		13.0
2025-03-14 08:00 - 11:00 CET	1A			17.8				46.1		12.6
2025-03-14 09:00 - 12:00 CET	1A			17.9				46.7		14.4

---

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

---

---

Map of station position

Map is on page with detailed information about locality