Web Generator 1.0.0
ISKO
Information about air quality in the Czech Republic
Current overview of data from automated stations (non-verified data)

Updated: 2025-12-14 19:27 CET


Locality

Basic data Locality photo
Locality: Ondrejov
Code: SONRA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/R/N-REG
Localization
Coordinates: 49° 54´ 48.647" North latitude 14° 46´ 57.451" East longitude
Altitude: 514 m

Actual measured level of air pollution

Actual unverified data

Date and time SO₂ NO₂ CO O₃ PM₁₀ PM₂.₅
1h 24h average 1h 8h average 1h 8h average 1h 24h average 1h
µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³
2025-12-13 19:00 - 20:00 CET 12.2 15.1
2025-12-13 20:00 - 21:00 CET 13.8 14.7
2025-12-13 21:00 - 22:00 CET 18.8 15.0
2025-12-13 22:00 - 23:00 CET 24.5 16.0
2025-12-13 23:00 - 00:00 CET 21.3 16.6
2025-12-14 00:00 - 01:00 CET 17.2 16.9
2025-12-14 01:00 - 02:00 CET 13.6 16.8
2025-12-14 02:00 - 03:00 CET 12.6 16.8
2025-12-14 03:00 - 04:00 CET 17.4
2025-12-14 04:00 - 05:00 CET 9.4 16.8
2025-12-14 05:00 - 06:00 CET 10.2 15.5
2025-12-14 06:00 - 07:00 CET 9.6 13.4
2025-12-14 07:00 - 08:00 CET 8.8 11.6
2025-12-14 08:00 - 09:00 CET 11.0 10.7
2025-12-14 09:00 - 10:00 CET 19.2 11.5
2025-12-14 10:00 - 11:00 CET 19.2 12.5
2025-12-14 11:00 - 12:00 CET 24.7 14.0
2025-12-14 12:00 - 13:00 CET 33.3 17.0
2025-12-14 13:00 - 14:00 CET 33.5 19.9
2025-12-14 14:00 - 15:00 CET 25.1 21.9
2025-12-14 15:00 - 16:00 CET 22.9 23.6
2025-12-14 16:00 - 17:00 CET 22.9 25.1
2025-12-14 17:00 - 18:00 CET 20.9 25.3
2025-12-14 18:00 - 19:00 CET 20.0 25.4

Legend

     Color      Description
      Component is not measured
      Incomplete data
      Limit exceeded

Map of station position

Map is on page with detailed information about locality