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

Updated: 2025-08-02 12:25 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
2025-08-01 10:00 - 13:00 CEST 1B 10.9 2.3 54.9
2025-08-01 11:00 - 14:00 CEST 1B 10.7 2.9 62.0
2025-08-01 12:00 - 15:00 CEST 2A 11.1 5.1 68.9
2025-08-01 13:00 - 16:00 CEST 2A 14.4 5.3 66.6
2025-08-01 14:00 - 17:00 CEST 1B 18.7 4.2 59.4
2025-08-01 15:00 - 18:00 CEST 1B 20.2 2.3 54.7
2025-08-01 16:00 - 19:00 CEST 1B 19.1 7.3 58.8
2025-08-01 17:00 - 20:00 CEST 2A 19.7 8.7 59.9
2025-08-01 18:00 - 21:00 CEST 2A 31.6 13.7 46.8
2025-08-01 19:00 - 22:00 CEST 1B 40.6 9.1 27.3
2025-08-01 20:00 - 23:00 CEST 1B 44.9 7.7 11.9
2025-08-01 21:00 - 00:00 CEST 1B 38.8 12.7 5.5
2025-08-01 22:00 - 01:00 CEST 1B 37.5 14.8 4.5
2025-08-01 23:00 - 02:00 CEST 1B 30.7 17.8 4.0
2025-08-02 00:00 - 03:00 CEST 1A 25.2 10.0 6.3
2025-08-02 01:00 - 04:00 CEST 1A 18.6 15.4 7.3
2025-08-02 02:00 - 05:00 CEST 1A 17.5 12.4 6.8
2025-08-02 03:00 - 06:00 CEST 1A 16.1 18.3 5.7
2025-08-02 04:00 - 07:00 CEST 1A 18.2 14.5 3.9
2025-08-02 05:00 - 08:00 CEST 1B 19.6 24.3 5.7
2025-08-02 06:00 - 09:00 CEST 1B 18.7 16.8 13.5
2025-08-02 07:00 - 10:00 CEST 1B 16.4 16.0 24.0
2025-08-02 08:00 - 11:00 CEST 1B 16.1 7.1 34.3
2025-08-02 09:00 - 12:00 CEST 1B 18.4 17.9 42.5

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