Updated: 2025-12-15 00:26 CET

---

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

---

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
2025-12-13 22:00 - 01:00 CET	1A		9.9	18.0	25.7
2025-12-13 23:00 - 02:00 CET	1A		7.8	14.9	31.3
2025-12-14 00:00 - 03:00 CET	1A		6.8	12.7	33.7
2025-12-14 01:00 - 04:00 CET	1A		6.8	13.0	33.2
2025-12-14 02:00 - 05:00 CET	1A		7.1	13.1	31.6
2025-12-14 03:00 - 06:00 CET	1A		7.8	13.5	27.6
2025-12-14 04:00 - 07:00 CET	1A		7.8	13.8	25.9
2025-12-14 05:00 - 08:00 CET	1A		7.5	14.9	27.1
2025-12-14 06:00 - 09:00 CET	1A		6.9	15.8	31.4
2025-12-14 07:00 - 10:00 CET	1A		7.2	16.7	32.0
2025-12-14 08:00 - 11:00 CET	1A		7.7	16.6	32.7
2025-12-14 09:00 - 12:00 CET	1A		8.1	16.6	33.5
2025-12-14 10:00 - 13:00 CET	1A		7.8	15.7	37.2
2025-12-14 11:00 - 14:00 CET	1A		6.9	14.6	41.4
2025-12-14 12:00 - 15:00 CET	1A		7.1	13.2	42.0
2025-12-14 13:00 - 16:00 CET	1A		7.9	11.3	38.1
2025-12-14 14:00 - 17:00 CET	1A		10.8	11.3	30.0
2025-12-14 15:00 - 18:00 CET	1A		13.1	11.7	23.6
2025-12-14 16:00 - 19:00 CET	1A		14.5	13.5	20.7
2025-12-14 17:00 - 20:00 CET	1A		14.1	13.7	18.4
2025-12-14 18:00 - 21:00 CET	1A		14.0	14.3	13.4
2025-12-14 19:00 - 22:00 CET	1A		14.8	15.5	8.2
2025-12-14 20:00 - 23:00 CET	1A		16.4	19.1	4.2
2025-12-14 21:00 - 00:00 CET	1A		17.4	21.3	3.2

---

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

---

---

Map of station position

Map is on page with detailed information about locality