Updated: 2025-05-24 23:25 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
2025-05-23 21:00 - 00:00 CEST	1B		11.1	13.6	49.5
2025-05-23 22:00 - 01:00 CEST	1B		10.8	11.5	41.0
2025-05-23 23:00 - 02:00 CEST	1B		10.2	11.5	38.8
2025-05-24 00:00 - 03:00 CEST	1B		9.6	10.9	40.4
2025-05-24 01:00 - 04:00 CEST	1B		8.9	10.4	41.4
2025-05-24 02:00 - 05:00 CEST	1B		9.2	9.5	37.4
2025-05-24 03:00 - 06:00 CEST	1B		9.3	10.7	34.0
2025-05-24 04:00 - 07:00 CEST	1B		9.1	9.3	36.2
2025-05-24 05:00 - 08:00 CEST	1B		7.8	8.2	45.7
2025-05-24 06:00 - 09:00 CEST	1B		6.5	7.3	59.3
2025-05-24 07:00 - 10:00 CEST	2A		5.4	7.8	71.9
2025-05-24 08:00 - 11:00 CEST	2A		4.6	8.2	81.1
2025-05-24 09:00 - 12:00 CEST	2A		4.0	7.1	87.3
2025-05-24 10:00 - 13:00 CEST	2A		3.5	4.8	91.0
2025-05-24 11:00 - 14:00 CEST	2A		2.9	3.9	95.3
2025-05-24 12:00 - 15:00 CEST	2A		2.8	4.2	98.7
2025-05-24 13:00 - 16:00 CEST	2A		2.7	6.1	99.4
2025-05-24 14:00 - 17:00 CEST	2A		2.8	6.6	98.4
2025-05-24 15:00 - 18:00 CEST	2A		3.3	6.4	97.5
2025-05-24 16:00 - 19:00 CEST	2A		3.4	5.9	97.6
2025-05-24 17:00 - 20:00 CEST	2A		3.8	7.4	96.3
2025-05-24 18:00 - 21:00 CEST	2A		6.0	8.4	86.0
2025-05-24 19:00 - 22:00 CEST	2A		8.5	9.2	68.7
2025-05-24 20:00 - 23:00 CEST			10.7		55.4

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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