Updated: 2026-04-04 18:25 CEST

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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
2026-04-03 16:00 - 19:00 CEST	2A		8.3	20.4	84.7
2026-04-03 17:00 - 20:00 CEST	2A		9.7	17.6	80.2
2026-04-03 18:00 - 21:00 CEST	2A		13.5	16.6	71.4
2026-04-03 19:00 - 22:00 CEST	2A		15.8	17.2	60.4
2026-04-03 20:00 - 23:00 CEST	2A		17.6	19.5	49.4
2026-04-03 21:00 - 00:00 CEST	2A		17.1	21.3	42.5
2026-04-03 22:00 - 01:00 CEST	1B		17.1	23.3	35.2
2026-04-03 23:00 - 02:00 CEST	1B		15.3	24.7	35.3
2026-04-04 00:00 - 03:00 CEST	1B		14.4	27.3	34.8
2026-04-04 01:00 - 04:00 CEST	2A		14.1	31.1	37.1
2026-04-04 02:00 - 05:00 CEST	2A		14.0	33.9	37.1
2026-04-04 03:00 - 06:00 CEST	2A		12.2	33.4	37.8
2026-04-04 04:00 - 07:00 CEST	2A		9.9	29.2	41.8
2026-04-04 05:00 - 08:00 CEST	2A		8.3	24.2	45.8
2026-04-04 06:00 - 09:00 CEST	2A		8.1	20.6	52.8
2026-04-04 07:00 - 10:00 CEST	2A		8.3	18.2	58.6
2026-04-04 08:00 - 11:00 CEST	2A		7.8	15.6	65.5
2026-04-04 09:00 - 12:00 CEST	2A		7.1	14.2	69.3
2026-04-04 10:00 - 13:00 CEST	2A		7.2	12.0	69.1
2026-04-04 11:00 - 14:00 CEST	2A		7.1	10.7	69.0
2026-04-04 12:00 - 15:00 CEST	2A		6.6	8.7	67.6
2026-04-04 13:00 - 16:00 CEST	2A		5.6	8.9	68.8
2026-04-04 14:00 - 17:00 CEST	2A		5.5	9.3	68.5
2026-04-04 15:00 - 18:00 CEST	2A		5.4	9.7	69.2

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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