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

Updated: 2025-03-31 03:25 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
2025-03-30 00:00 CET - 04:00 CEST 1A 8.9 10.7 61.3
2025-03-30 01:00 CET - 05:00 CEST 1A 7.3 11.9 62.6
2025-03-30 03:00 - 06:00 CEST 1A 8.6 16.3 60.4
2025-03-30 04:00 - 07:00 CEST 1A 13.7 12.8 52.7
2025-03-30 05:00 - 08:00 CEST 1A 17.6 14.9 41.6
2025-03-30 06:00 - 09:00 CEST 1A 22.9 18.3 40.0
2025-03-30 07:00 - 10:00 CEST 1A 20.9 17.2 48.3
2025-03-30 08:00 - 11:00 CEST 1A 17.7 15.5 63.2
2025-03-30 09:00 - 12:00 CEST 1A 13.3 11.3 73.2
2025-03-30 10:00 - 13:00 CEST 1A 10.8 17.2 77.6
2025-03-30 11:00 - 14:00 CEST 1A 10.2 12.4 80.7
2025-03-30 12:00 - 15:00 CEST 1A 10.3 9.9 83.4
2025-03-30 13:00 - 16:00 CEST 1A 11.1 5.7 85.3
2025-03-30 14:00 - 17:00 CEST 1A 11.4 10.0 83.4
2025-03-30 15:00 - 18:00 CEST 1A 11.8 8.5 79.1
2025-03-30 16:00 - 19:00 CEST 1A 11.9 10.7 75.3
2025-03-30 17:00 - 20:00 CEST 1A 13.1 5.6 71.1
2025-03-30 18:00 - 21:00 CEST 1A 13.5 8.3 68.5
2025-03-30 19:00 - 22:00 CEST 1A 17.9 5.2 60.2
2025-03-30 20:00 - 23:00 CEST 1A 17.5 5.2 58.6
2025-03-30 21:00 - 00:00 CEST 1A 19.8 15.4 54.0
2025-03-30 22:00 - 01:00 CEST 1A 15.6 14.6 58.2
2025-03-30 23:00 - 02:00 CEST 1A 14.4 14.6 56.8
2025-03-31 00:00 - 03:00 CEST 1A 11.0 1.0 62.6

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