Updated: 2025-12-05 06:26 CET

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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
2025-12-04 04:00 - 07:00 CET	2A		25.9	54.5	3.3
2025-12-04 05:00 - 08:00 CET	2A		26.4	59.5	3.4
2025-12-04 06:00 - 09:00 CET	2A		27.2	61.0	4.0
2025-12-04 07:00 - 10:00 CET	2A		28.6	59.0	5.0
2025-12-04 08:00 - 11:00 CET	2A		28.2	55.2	7.0
2025-12-04 09:00 - 12:00 CET	2A		28.0	54.3	9.3
2025-12-04 10:00 - 13:00 CET	2A		26.7	54.4	11.1
2025-12-04 11:00 - 14:00 CET	2A		27.5	53.3	11.6
2025-12-04 12:00 - 15:00 CET	2A		30.0	53.1	10.2
2025-12-04 13:00 - 16:00 CET	2A		33.6	54.2	7.7
2025-12-04 14:00 - 17:00 CET	2A		37.0	60.0	5.6
2025-12-04 15:00 - 18:00 CET	2A		36.9	72.5	4.5
2025-12-04 16:00 - 19:00 CET	2B		34.6	82.7	4.2
2025-12-04 17:00 - 20:00 CET	2B		31.4	82.8	4.0
2025-12-04 18:00 - 21:00 CET	2A		29.9	75.6	4.2
2025-12-04 19:00 - 22:00 CET	2A		29.2	67.8	4.9
2025-12-04 20:00 - 23:00 CET	2A		27.2	62.7	6.8
2025-12-04 21:00 - 00:00 CET	2A		26.2	56.1	7.6
2025-12-04 22:00 - 01:00 CET	2A		24.5	50.8	9.0
2025-12-04 23:00 - 02:00 CET	1B		22.8	47.4	10.0
2025-12-05 00:00 - 03:00 CET	1B		20.2	44.0	11.4
2025-12-05 01:00 - 04:00 CET	1B		18.7	38.8	10.8
2025-12-05 02:00 - 05:00 CET	1B		18.8	37.0	9.0
2025-12-05 03:00 - 06:00 CET	1B		18.8	36.4	7.9

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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