Updated: 2025-11-14 08:25 CET

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Basic data
Locality:	Olawa-Zolnierzyak
Code:	VOLZA
Type of measuring programme:	Automated measuring program
Locality owner:	Glówny Inspektorat Ochrony Šrodowisk
Classification
Abbreviation:	B/U/-
Localization
Coordinates:	50° 56´ 31.466" North latitude 17° 17´ 28.796" East longitude
Altitude:	130 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
2025-11-13 06:00 - 09:00 CET			27.8		11.5
2025-11-13 07:00 - 10:00 CET			26.8		8.0
2025-11-13 08:00 - 11:00 CET			24.5
2025-11-13 09:00 - 12:00 CET			17.2
2025-11-13 10:00 - 13:00 CET			12.5		49.0
2025-11-13 11:00 - 14:00 CET	1A		11.7	12.1	43.1
2025-11-13 12:00 - 15:00 CET	1A		11.2	12.3	34.4
2025-11-13 13:00 - 16:00 CET	1A		10.6	12.9	37.0
2025-11-13 14:00 - 17:00 CET	1A		10.2	13.9	39.1
2025-11-13 15:00 - 18:00 CET	1A		9.2	14.2	41.3
2025-11-13 16:00 - 19:00 CET	1A		9.5	14.8	40.5
2025-11-13 17:00 - 20:00 CET	1A		9.5	15.7	39.5
2025-11-13 18:00 - 21:00 CET	1A		9.2	15.5	38.2
2025-11-13 19:00 - 22:00 CET	1A		8.7	13.7	37.5
2025-11-13 20:00 - 23:00 CET	1A		12.5	13.6	31.1
2025-11-13 21:00 - 00:00 CET	1A		16.0	16.5	22.6
2025-11-13 22:00 - 01:00 CET	1A		19.5	20.2	13.7
2025-11-13 23:00 - 02:00 CET	1A		17.8	22.0	10.9
2025-11-14 00:00 - 03:00 CET	1A		16.4	21.9	10.4
2025-11-14 01:00 - 04:00 CET	1A		14.8	21.1	10.1
2025-11-14 02:00 - 05:00 CET	1A		14.0	19.4	9.8
2025-11-14 03:00 - 06:00 CET	1A		14.1	17.0	9.3
2025-11-14 04:00 - 07:00 CET	1A		15.0	15.0	8.3
2025-11-14 05:00 - 08:00 CET	1A		15.9	13.9	7.5

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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