Updated: 2025-04-20 04:26 CEST

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Basic data
Locality:	Olesno
Code:	QOLEA
Type of measuring programme:	Automated measuring program
Locality owner:	Glówny Inspektorat Ochrony Šrodowisk
Classification
Abbreviation:	B/U/-
Localization
Coordinates:	50° 52´ 37.141" North latitude 18° 25´ 0.760" East longitude
Altitude:	239 m

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Actual measured level of air pollution

Actual unverified data

Date and time	Air quality	SO₂	NO₂	PM₁₀	O₃
		3h average	3h average	3h average	3h average
		µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³
2025-04-19 02:00 - 05:00 CEST	1A		5.5	9.9	23.3
2025-04-19 03:00 - 06:00 CEST	1A		5.8	9.2	19.6
2025-04-19 04:00 - 07:00 CEST	1A		6.2	9.1	17.9
2025-04-19 05:00 - 08:00 CEST	1A		6.5	9.8	19.7
2025-04-19 06:00 - 09:00 CEST	1A		6.6	10.4	22.7
2025-04-19 07:00 - 10:00 CEST	1B		6.2	11.2	27.1
2025-04-19 08:00 - 11:00 CEST	1B		5.8	11.0	32.0
2025-04-19 09:00 - 12:00 CEST	1B		5.8	9.5	38.1
2025-04-19 10:00 - 13:00 CEST	1B		5.6	7.8	46.2
2025-04-19 11:00 - 14:00 CEST	1B		4.9	7.9	55.1
2025-04-19 12:00 - 15:00 CEST	1B		4.0	9.1	62.6
2025-04-19 13:00 - 16:00 CEST	2A		3.6	9.3	68.3
2025-04-19 14:00 - 17:00 CEST	2A		3.5	8.0	73.1
2025-04-19 15:00 - 18:00 CEST	2A		3.3	7.7	78.5
2025-04-19 16:00 - 19:00 CEST	2A		4.3	7.5	80.3
2025-04-19 17:00 - 20:00 CEST	2A		9.4	7.1	72.9
2025-04-19 18:00 - 21:00 CEST	1B		15.3	8.4	57.4
2025-04-19 19:00 - 22:00 CEST	1B		21.2	12.6	41.0
2025-04-19 20:00 - 23:00 CEST	1B		19.3	16.9	34.5
2025-04-19 21:00 - 00:00 CEST	1B		16.3	17.8	35.7
2025-04-19 22:00 - 01:00 CEST	1B		12.6	16.9	36.8
2025-04-19 23:00 - 02:00 CEST	1B		11.5	17.1	36.2
2025-04-20 00:00 - 03:00 CEST	1B		10.2	18.3	33.7
2025-04-20 01:00 - 04:00 CEST	1B		8.6	19.3	34.4

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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

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Map of station position

Map is on page with detailed information about locality