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

Updated: 2025-12-05 06:26 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
2025-12-04 04:00 - 07:00 CET 1B 26.9 27.3 1.0
2025-12-04 05:00 - 08:00 CET 1B 29.2 28.6 1.0
2025-12-04 06:00 - 09:00 CET 1B 31.2 22.8 1.0
2025-12-04 07:00 - 10:00 CET 1B 32.1 37.8 1.0
2025-12-04 08:00 - 11:00 CET 1B 32.5 38.1 1.0
2025-12-04 09:00 - 12:00 CET 1B 32.9 37.6 4.0
2025-12-04 10:00 - 13:00 CET 1B 27.2 25.9 11.5
2025-12-04 11:00 - 14:00 CET 1A 23.5 19.5 20.0
2025-12-04 12:00 - 15:00 CET 1A 18.9 16.4 24.1
2025-12-04 13:00 - 16:00 CET 1A 19.6 10.3 23.2
2025-12-04 14:00 - 17:00 CET 1A 21.5 16.1 20.1
2025-12-04 15:00 - 18:00 CET 1A 27.0 14.6 14.3
2025-12-04 16:00 - 19:00 CET 1B 34.2 21.9 7.7
2025-12-04 17:00 - 20:00 CET 1B 40.0 19.9 2.3
2025-12-04 18:00 - 21:00 CET 1B 40.1 28.1 1.0
2025-12-04 19:00 - 22:00 CET 1B 37.6 29.2 1.0
2025-12-04 20:00 - 23:00 CET 1B 34.0 29.4 1.0
2025-12-04 21:00 - 00:00 CET 1B 30.5 38.9 1.0
2025-12-04 22:00 - 01:00 CET 1B 26.8 35.8 1.0
2025-12-04 23:00 - 02:00 CET 1B 24.0 41.4 3.8
2025-12-05 00:00 - 03:00 CET 1B 20.7 38.2 7.8
2025-12-05 01:00 - 04:00 CET 1B 20.3 46.5 6.3
2025-12-05 02:00 - 05:00 CET 1B 21.6 32.1 4.7
2025-12-05 03:00 - 06:00 CET 1B 25.4 32.3 1.7

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