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

Updated: 2025-05-03 20:25 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
2025-05-02 18:00 - 21:00 CEST 2B 26.8 20.8 92.0
2025-05-02 19:00 - 22:00 CEST 2B 67.1 27.8 57.4
2025-05-02 20:00 - 23:00 CEST 2B 96.6 42.5 22.0
2025-05-02 21:00 - 00:00 CEST 2A 90.6 34.3 9.8
2025-05-02 22:00 - 01:00 CEST 2A 79.4 40.4 10.5
2025-05-02 23:00 - 02:00 CEST 2A 59.2 39.9 14.7
2025-05-03 00:00 - 03:00 CEST 2A 45.4 40.2 28.0
2025-05-03 01:00 - 04:00 CEST 2A 38.0 34.6 29.0
2025-05-03 02:00 - 05:00 CEST 1B 38.4 20.7 24.3
2025-05-03 03:00 - 06:00 CEST 1B 39.7 25.2 15.8
2025-05-03 04:00 - 07:00 CEST 1B 39.5 24.4 14.1
2025-05-03 05:00 - 08:00 CEST 2A 40.3 40.6 16.5
2025-05-03 06:00 - 09:00 CEST 2A 37.4 31.0 29.9
2025-05-03 07:00 - 10:00 CEST 2A 34.9 29.7 45.5
2025-05-03 08:00 - 11:00 CEST 2A 28.7 17.5 65.2
2025-05-03 09:00 - 12:00 CEST 2B 24.3 26.6 82.4
2025-05-03 10:00 - 13:00 CEST 2B 17.8 19.4 98.9
2025-05-03 11:00 - 14:00 CEST 2B 14.5 24.4 104.1
2025-05-03 12:00 - 15:00 CEST 2B 13.4 22.1 100.8
2025-05-03 13:00 - 16:00 CEST 2B 13.3 33.1 93.7
2025-05-03 14:00 - 17:00 CEST 2B 14.6 22.4 87.6
2025-05-03 15:00 - 18:00 CEST 2B 15.7 24.3 82.8
2025-05-03 16:00 - 19:00 CEST 2A 16.9 10.9 80.4
2025-05-03 17:00 - 20:00 CEST 2A 16.9 16.2 83.3

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