Updated: 2025-12-14 23:26 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
2025-12-13 21:00 - 00:00 CET	1B		14.4	32.7	12.3
2025-12-13 22:00 - 01:00 CET	1B		13.0	30.5	13.2
2025-12-13 23:00 - 02:00 CET	1B		11.8	29.8	14.8
2025-12-14 00:00 - 03:00 CET	1B		11.0	28.9	17.6
2025-12-14 01:00 - 04:00 CET	1A		9.9	25.3	20.3
2025-12-14 02:00 - 05:00 CET	1A		9.1	21.8	22.4
2025-12-14 03:00 - 06:00 CET	1A		8.8	20.4	22.5
2025-12-14 04:00 - 07:00 CET	1A		8.6	19.3	22.4
2025-12-14 05:00 - 08:00 CET	1A		8.8	18.5	21.7
2025-12-14 06:00 - 09:00 CET	1A		8.8	19.0	21.2
2025-12-14 07:00 - 10:00 CET	1A		9.0	22.4	21.4
2025-12-14 08:00 - 11:00 CET	1A		8.7	24.5	24.4
2025-12-14 09:00 - 12:00 CET	1A		8.2	23.4	29.5
2025-12-14 10:00 - 13:00 CET	1A		7.6	22.4	34.6
2025-12-14 11:00 - 14:00 CET	1A		7.4	21.2	39.0
2025-12-14 12:00 - 15:00 CET	1A		7.8	20.4	40.2
2025-12-14 13:00 - 16:00 CET	1A		13.6	19.4	35.5
2025-12-14 14:00 - 17:00 CET	1B		21.4	22.1	23.9
2025-12-14 15:00 - 18:00 CET	1B		27.3	27.9	13.6
2025-12-14 16:00 - 19:00 CET	1B		28.5	31.8	9.0
2025-12-14 17:00 - 20:00 CET	1B		24.4	34.0	11.6
2025-12-14 18:00 - 21:00 CET	1B		19.4	33.2	17.7
2025-12-14 19:00 - 22:00 CET	1B		13.6	30.7	23.9
2025-12-14 20:00 - 23:00 CET	1B		11.0	28.3	28.1

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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