Information about air quality in the Czech Republic

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

Updated: 2021-02-27 04:25 CET


Locality

Basic data Locality photo
Locality: Praha 4-Chodov
Code: ACHOA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/RN
Localization
Coordinates: 50° 1´ 48.614" North latitude 14° 31´ 2.821" East longitude
Altitude: 300 m

Actual measured level of air pollution

Actual unverified data

Date and time Air quality SO₂ NO₂ PM₁₀ O₃ O3 - from model
3h average 3h average 3h average 3h average 3h average
[µg/m³] [µg/m³] [µg/m³] [µg/m³] [µg/m³]
2021-02-26 02:00 - 05:00 CET 2B 36.2 76.0 5.1
2021-02-26 03:00 - 06:00 CET 2A 28.7 76.0 5.6
2021-02-26 04:00 - 07:00 CET 2A 25.9 74.3 6.0
2021-02-26 05:00 - 08:00 CET 2A 28.0 70.7 5.8
2021-02-26 06:00 - 09:00 CET 2A 31.1 71.0 6.2
2021-02-26 07:00 - 10:00 CET 2A 29.5 74.0 8.3
2021-02-26 08:00 - 11:00 CET 2A 28.1 75.0 12.6
2021-02-26 09:00 - 12:00 CET 2A 24.6 73.0 18.3
2021-02-26 10:00 - 13:00 CET 2A 31.4 72.7 22.0
2021-02-26 11:00 - 14:00 CET 2B 35.8 75.7 26.2
2021-02-26 12:00 - 15:00 CET 2B 38.4 76.3 31.4
2021-02-26 13:00 - 16:00 CET 2A 32.1 73.7 34.2
2021-02-26 14:00 - 17:00 CET 2A 26.0 66.3 34.7
2021-02-26 15:00 - 18:00 CET 2A 24.0 54.3 40.8
2021-02-26 16:00 - 19:00 CET 1B 17.7 39.7 52.2
2021-02-26 17:00 - 20:00 CET 1B 13.1 27.0 62.1
2021-02-26 18:00 - 21:00 CET 1A 11.5 18.0 64.5
2021-02-26 19:00 - 22:00 CET 1A 11.4 13.3 63.0
2021-02-26 20:00 - 23:00 CET 1A 14.5 12.0 60.1
2021-02-26 21:00 - 00:00 CET 1A 16.4 11.0 53.9
2021-02-26 22:00 - 01:00 CET 1A 16.0 9.0 48.8
2021-02-26 23:00 - 02:00 CET 1A 12.9 6.0 45.9
2021-02-27 00:00 - 03:00 CET 1A 11.7 6.3 45.7
2021-02-27 01:00 - 04:00 CET 1A 11.4 8.3 45.8

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