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

Updated: 2026-04-04 18:25 CEST


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
2026-04-03 16:00 - 19:00 CEST 2A 15.3 10.4 75.9
2026-04-03 17:00 - 20:00 CEST 2A 15.8 10.4 75.3
2026-04-03 18:00 - 21:00 CEST 2A 21.8 8.5 66.2
2026-04-03 19:00 - 22:00 CEST 2A 34.9 19.7 44.2
2026-04-03 20:00 - 23:00 CEST 2A 48.1 34.5 24.0
2026-04-03 21:00 - 00:00 CEST 2A 53.4 33.2 15.0
2026-04-03 22:00 - 01:00 CEST 2A 52.9 26.2 14.2
2026-04-03 23:00 - 02:00 CEST 1B 45.3 12.2 16.0
2026-04-04 00:00 - 03:00 CEST 1B 36.2 13.8 28.3
2026-04-04 01:00 - 04:00 CEST 1B 29.5 5.7 36.4
2026-04-04 02:00 - 05:00 CEST 1B 25.2 11.9 39.6
2026-04-04 03:00 - 06:00 CEST 2A 25.7 15.7 44.6
2026-04-04 04:00 - 07:00 CEST 2A 18.6 18.7 54.5
2026-04-04 05:00 - 08:00 CEST 2A 14.4 14.1 60.6
2026-04-04 06:00 - 09:00 CEST 2A 14.3 10.0 62.0
2026-04-04 07:00 - 10:00 CEST 2A 12.8 17.1 62.7
2026-04-04 08:00 - 11:00 CEST 2A 13.5 15.8 60.2
2026-04-04 09:00 - 12:00 CEST 2A 12.4 18.5 59.9
2026-04-04 10:00 - 13:00 CEST 1B 11.7 7.2 59.6
2026-04-04 11:00 - 14:00 CEST 1B 10.5 9.1 59.7
2026-04-04 12:00 - 15:00 CEST 2A 9.6 17.8 59.7
2026-04-04 13:00 - 16:00 CEST 2A 9.8 17.8 58.4
2026-04-04 14:00 - 17:00 CEST 2A 11.0 15.1 58.8
2026-04-04 15:00 - 18:00 CEST 1B 13.7 3.4 59.1

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