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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 19:25 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
2025-12-14 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
2025-12-14 23:00 - 02:00 CET 1A 8.2 15.7 13.6
2025-12-15 00:00 - 03:00 CET 1A 8.0 3.3 13.6
2025-12-15 01:00 - 04:00 CET 1A 7.6 2.0 13.2
2025-12-15 02:00 - 05:00 CET 1A 7.5 2.3 12.7
2025-12-15 03:00 - 06:00 CET 1A 7.6 1.8 12.5
2025-12-15 04:00 - 07:00 CET 1A 9.0 6.1 11.7
2025-12-15 05:00 - 08:00 CET 1A 11.7 6.3 10.2
2025-12-15 06:00 - 09:00 CET 1A 14.2 6.4 8.7
2025-12-15 07:00 - 10:00 CET 1A 15.4 2.7 8.2
2025-12-15 08:00 - 11:00 CET 1A 15.0 13.6 9.5
2025-12-15 09:00 - 12:00 CET 1A 14.7 13.8 10.8
2025-12-15 10:00 - 13:00 CET 1A 14.7 17.9 11.9
2025-12-15 11:00 - 14:00 CET 1A 15.7 10.4 11.5
2025-12-15 12:00 - 15:00 CET 1A 17.9 10.3 10.2
2025-12-15 13:00 - 16:00 CET 1A 20.5 15.3 8.1
2025-12-15 14:00 - 17:00 CET 1A 22.2 11.2 7.1
2025-12-15 15:00 - 18:00 CET 1A 22.4 14.1 6.8
2025-12-15 16:00 - 19:00 CET 1A 21.0 7.3 7.6

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