Information about air quality in the Czech Republic

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

Updated: 2024-04-26 15:30 CEST


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 PM 10 - from model O 3 - from model
3h average 3h average 3h average 3h average 3h average 3h average
[µg/m³] [µg/m³] [µg/m³] [µg/m³] [µg/m³] [µg/m³]
2024-04-25 13:00 - 16:00 CEST 2A 87.8 6.7
2024-04-25 14:00 - 17:00 CEST 2A 91.7 5.3
2024-04-25 15:00 - 18:00 CEST 2A 94.9 4.1
2024-04-25 16:00 - 19:00 CEST 2A 96.8 3.9
2024-04-25 17:00 - 20:00 CEST 2A 96.3 3.7
2024-04-25 18:00 - 21:00 CEST 2A 93.3 3.5
2024-04-25 19:00 - 22:00 CEST 2A 89.5 3.7
2024-04-25 20:00 - 23:00 CEST 2A 85.5 4.2
2024-04-25 21:00 - 00:00 CEST 2A 84.8 4.6
2024-04-25 22:00 - 01:00 CEST 2A 83.6 4.7
2024-04-25 23:00 - 02:00 CEST 2A 83.2 6.2
2024-04-26 00:00 - 03:00 CEST 2A 82.3 7.1
2024-04-26 01:00 - 04:00 CEST 2A 82.5 7.9
2024-04-26 02:00 - 05:00 CEST 2A 83.4 8.5
2024-04-26 03:00 - 06:00 CEST 2A 82.8 8.9
2024-04-26 04:00 - 07:00 CEST 2A 78.1 8.9
2024-04-26 05:00 - 08:00 CEST 2A 74.5 8.2
2024-04-26 06:00 - 09:00 CEST 2A 72.2 10.7
2024-04-26 07:00 - 10:00 CEST 2A 75.1 13.3
2024-04-26 08:00 - 11:00 CEST 2A 81.9 14.0
2024-04-26 09:00 - 12:00 CEST 2A 90.7 11.5
2024-04-26 10:00 - 13:00 CEST 2A 98.8 9.0
2024-04-26 11:00 - 14:00 CEST 2A 101.7 7.5
2024-04-26 12:00 - 15:00 CEST 2A 102.4 6.4

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