Updated: 2025-07-04 16:26 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
2025-07-03 14:00 - 17:00 CEST	2B		6.9	34.1	134.2
2025-07-03 15:00 - 18:00 CEST	2B		6.6	32.4	126.6
2025-07-03 16:00 - 19:00 CEST	2B		6.9	30.5	117.2
2025-07-03 17:00 - 20:00 CEST	2B		6.7	23.6	105.2
2025-07-03 18:00 - 21:00 CEST	2B		6.8	36.7	97.9
2025-07-03 19:00 - 22:00 CEST	2B		6.5	31.9	89.3
2025-07-03 20:00 - 23:00 CEST	2B		6.8	29.9	83.3
2025-07-03 21:00 - 00:00 CEST	2A		6.7	9.4	77.7
2025-07-03 22:00 - 01:00 CEST	2A		6.6	9.6	72.1
2025-07-03 23:00 - 02:00 CEST	2A		6.8	9.8	63.3
2025-07-04 00:00 - 03:00 CEST	1B		8.3	8.8	49.9
2025-07-04 01:00 - 04:00 CEST	1B		9.8	9.5	41.7
2025-07-04 02:00 - 05:00 CEST	1B		10.7	12.3	45.2
2025-07-04 03:00 - 06:00 CEST	1B		10.9	14.8	52.2
2025-07-04 04:00 - 07:00 CEST	2A		10.6	17.8	57.2
2025-07-04 05:00 - 08:00 CEST	2A		10.3	17.6	57.9
2025-07-04 06:00 - 09:00 CEST	2A		9.2	19.9	61.0
2025-07-04 07:00 - 10:00 CEST	2A		7.4	19.3	66.1
2025-07-04 08:00 - 11:00 CEST	2A		5.7	19.6	72.5
2025-07-04 09:00 - 12:00 CEST	2A		5.0	17.3	79.7
2025-07-04 10:00 - 13:00 CEST	2A		4.8	15.0	87.9
2025-07-04 11:00 - 14:00 CEST	2A		4.9	16.5	94.1
2025-07-04 12:00 - 15:00 CEST	2B		5.1	18.2	97.0
2025-07-04 13:00 - 16:00 CEST			5.4		97.2

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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