Updated: 2025-04-08 11:25 CEST

---

Basic data		Locality photo
Locality:	Plzen-stred
Code:	PPLEA
Type of measuring programme:	Automated measuring program
Locality owner:	City of Plzen
Classification
Abbreviation:	T/U/RC
Localization
Coordinates:	49° 44´ 50.387" North latitude 13° 22´ 51.739" East longitude
Altitude:	306 m

---

Actual measured level of air pollution

Actual unverified data

Date and time	Air quality	SO₂	NO₂	PM₁₀	O₃		PM₁₀ - from model	O₃ - from model		PM₂.₅
		3h average	3h average	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	µg∙m⁻³		µg∙m⁻³
2025-04-07 09:00 - 12:00 CEST								42.1
2025-04-07 10:00 - 13:00 CEST								52.8
2025-04-07 11:00 - 14:00 CEST								65.6
2025-04-07 12:00 - 15:00 CEST								75.8
2025-04-07 13:00 - 16:00 CEST								80.3
2025-04-07 14:00 - 17:00 CEST								81.5
2025-04-07 15:00 - 18:00 CEST								80.1
2025-04-07 16:00 - 19:00 CEST								77.8
2025-04-07 17:00 - 20:00 CEST								74.9
2025-04-07 18:00 - 21:00 CEST								71.6
2025-04-07 19:00 - 22:00 CEST								65.0
2025-04-07 20:00 - 23:00 CEST								52.5
2025-04-07 21:00 - 00:00 CEST								43.1
2025-04-07 22:00 - 01:00 CEST								36.3
2025-04-07 23:00 - 02:00 CEST								36.7
2025-04-08 00:00 - 03:00 CEST								35.0
2025-04-08 01:00 - 04:00 CEST								34.8
2025-04-08 02:00 - 05:00 CEST								31.5
2025-04-08 03:00 - 06:00 CEST								27.2
2025-04-08 04:00 - 07:00 CEST								23.4
2025-04-08 05:00 - 08:00 CEST								17.1
2025-04-08 06:00 - 09:00 CEST								13.1
2025-04-08 07:00 - 10:00 CEST								13.5
2025-04-08 08:00 - 11:00 CEST								20.5

---

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