Updated: 2025-06-22 07:27 CEST

---

Basic data
Locality:	Grunbach
Code:	3GRNA
Type of measuring programme:	Automated measuring program
Locality owner:	Amt der Oberosterreichischen Landesregierung
Classification
Abbreviation:	B/R/AN
Localization
Coordinates:	48° 15´ 13.554" North latitude 14° 18´ 36.599" East longitude
Altitude:	918 m

---

Actual measured level of air pollution

Actual unverified data

Date and time	Air quality	SO₂	NO₂	PM₁₀	O₃		PM₂.₅
		3h average	3h average	3h average	3h average		3h average
		µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³		µg∙m⁻³
2025-06-21 05:00 - 08:00 CEST
2025-06-21 06:00 - 09:00 CEST
2025-06-21 07:00 - 10:00 CEST
2025-06-21 08:00 - 11:00 CEST
2025-06-21 09:00 - 12:00 CEST
2025-06-21 10:00 - 13:00 CEST
2025-06-21 11:00 - 14:00 CEST
2025-06-21 12:00 - 15:00 CEST
2025-06-21 13:00 - 16:00 CEST
2025-06-21 14:00 - 17:00 CEST
2025-06-21 15:00 - 18:00 CEST
2025-06-21 16:00 - 19:00 CEST
2025-06-21 17:00 - 20:00 CEST
2025-06-21 18:00 - 21:00 CEST
2025-06-21 19:00 - 22:00 CEST
2025-06-21 20:00 - 23:00 CEST
2025-06-21 21:00 - 00:00 CEST
2025-06-21 22:00 - 01:00 CEST
2025-06-21 23:00 - 02:00 CEST
2025-06-22 00:00 - 03:00 CEST
2025-06-22 01:00 - 04:00 CEST
2025-06-22 02:00 - 05:00 CEST
2025-06-22 03:00 - 06:00 CEST
2025-06-22 04:00 - 07:00 CEST

---

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