Information about air quality in the Czech Republic

Current overview of data from automated stations (non-verified data)

Updated: 2022-11-26 17:10 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 Air quality SO₂ NO₂ PM₁₀ O₃ O 3 - from model
3h average 3h average 3h average 3h average 3h average
[µg/m³] [µg/m³] [µg/m³] [µg/m³] [µg/m³]
2022-11-25 15:00 - 18:00 CET 32.8
2022-11-25 16:00 - 19:00 CET 30.6
2022-11-25 17:00 - 20:00 CET 29.0
2022-11-25 18:00 - 21:00 CET 25.9
2022-11-25 19:00 - 22:00 CET 22.7
2022-11-25 20:00 - 23:00 CET 23.6
2022-11-25 21:00 - 00:00 CET 23.1
2022-11-25 22:00 - 01:00 CET 20.2
2022-11-25 23:00 - 02:00 CET 15.6
2022-11-26 00:00 - 03:00 CET 13.9
2022-11-26 01:00 - 04:00 CET 17.2
2022-11-26 02:00 - 05:00 CET 21.5
2022-11-26 03:00 - 06:00 CET 22.9
2022-11-26 04:00 - 07:00 CET 25.9
2022-11-26 05:00 - 08:00 CET 28.9
2022-11-26 06:00 - 09:00 CET 31.2
2022-11-26 07:00 - 10:00 CET 33.2
2022-11-26 08:00 - 11:00 CET 33.6
2022-11-26 09:00 - 12:00 CET 34.6
2022-11-26 10:00 - 13:00 CET 36.6
2022-11-26 11:00 - 14:00 CET 40.4
2022-11-26 12:00 - 15:00 CET 44.3
2022-11-26 13:00 - 16:00 CET 46.3
2022-11-26 14:00 - 17:00 CET 46.9

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


Map of station position

Map is on page with detailed information about locality