Updated: 2025-12-05 06:26 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
2025-12-04 04:00 - 07:00 CET	2A		30.7	66.3	2.2
2025-12-04 05:00 - 08:00 CET	2A		31.2	65.9	2.2
2025-12-04 06:00 - 09:00 CET	2A		31.3	66.8	2.6
2025-12-04 07:00 - 10:00 CET	2A		30.6	69.2	3.6
2025-12-04 08:00 - 11:00 CET	2A		29.6	71.3	4.9
2025-12-04 09:00 - 12:00 CET	2A		28.7	67.6	7.5
2025-12-04 10:00 - 13:00 CET	2A		28.2	60.2	10.7
2025-12-04 11:00 - 14:00 CET	2A		28.8	52.1	13.2
2025-12-04 12:00 - 15:00 CET	2A		30.9	50.3	12.4
2025-12-04 13:00 - 16:00 CET	2A		34.5	48.8	9.4
2025-12-04 14:00 - 17:00 CET	2A		37.1	46.4	6.8
2025-12-04 15:00 - 18:00 CET	2A		39.3	47.2	4.9
2025-12-04 16:00 - 19:00 CET	2A		38.6	47.7	3.7
2025-12-04 17:00 - 20:00 CET	2A		37.5	53.1	2.5
2025-12-04 18:00 - 21:00 CET	2A		36.4	53.6	2.2
2025-12-04 19:00 - 22:00 CET	2A		37.3	54.3	2.2
2025-12-04 20:00 - 23:00 CET	2A		39.2	51.2	2.1
2025-12-04 21:00 - 00:00 CET	2A		40.2	49.3	2.1
2025-12-04 22:00 - 01:00 CET	2A		41.0	49.3	2.2
2025-12-04 23:00 - 02:00 CET	2A		41.9	50.1	2.2
2025-12-05 00:00 - 03:00 CET	2A		42.3	50.2	2.3
2025-12-05 01:00 - 04:00 CET	2A		38.1	48.4	3.3
2025-12-05 02:00 - 05:00 CET	1B		31.1	45.8	5.2
2025-12-05 03:00 - 06:00 CET	1B		25.5	43.6	6.7

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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