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Information about air quality in the Czech Republic
Current overview of data from automated stations (non-verified data)

Updated: 2025-12-15 01:25 CET


Basic data Locality photo
Locality: Praha 9-Vysocany
Code: AVYNA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: T/U/CR
Localization
Coordinates: 50° 6´ 39.889" North latitude 14° 30´ 11.144" East longitude
Altitude: 219 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
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
2025-12-13 23:00 - 02:00 CET 1A 19.7 21.4 2.6
2025-12-14 00:00 - 03:00 CET 1A 17.2 18.5 1.4
2025-12-14 01:00 - 04:00 CET 1A 16.3 14.9 1.0
2025-12-14 02:00 - 05:00 CET 1A 14.8 20.1 1.5
2025-12-14 03:00 - 06:00 CET 1B 13.4 24.6 2.7
2025-12-14 04:00 - 07:00 CET 1A 12.6 23.9 5.1
2025-12-14 05:00 - 08:00 CET 1A 12.5 9.9 7.0
2025-12-14 06:00 - 09:00 CET 1A 13.5 2.0 8.3
2025-12-14 07:00 - 10:00 CET 1A 14.5 1.4 9.9
2025-12-14 08:00 - 11:00 CET 1A 15.2 1.4 12.1
2025-12-14 09:00 - 12:00 CET 1A 14.5 1.6 14.7
2025-12-14 10:00 - 13:00 CET 1A 13.4 21.7 16.8
2025-12-14 11:00 - 14:00 CET 1A 12.8 22.8 16.0
2025-12-14 12:00 - 15:00 CET 1A 13.8 23.3 14.3
2025-12-14 13:00 - 16:00 CET 1A 15.6 3.6 11.0
2025-12-14 14:00 - 17:00 CET 1A 17.7 3.1 9.5
2025-12-14 15:00 - 18:00 CET 1A 19.1 7.7 8.1
2025-12-14 16:00 - 19:00 CET 1A 19.6 9.4 7.6
2025-12-14 17:00 - 20:00 CET 1A 18.0 17.0 8.1
2025-12-14 18:00 - 21:00 CET 1A 15.8 15.9 9.7
2025-12-14 19:00 - 22:00 CET 1A 13.6 13.7 11.5
2025-12-14 20:00 - 23:00 CET 1A 12.0 6.2 12.7
2025-12-14 21:00 - 00:00 CET 1A 11.1 15.1 13.1
2025-12-14 22:00 - 01:00 CET 1A 9.3 16.4 13.3

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