Information about air quality in the Czech Republic

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

Updated: 2021-02-25 00:25 CET


Locality

Basic data Locality photo
Locality: Praha 2-Riegrovy sady
Code: ARIEA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/NR
Localization
Coordinates: 50° 4´ 53.335" North latitude 14° 26´ 33.690" East longitude
Altitude: 256 m

Actual measured level of air pollution

Actual unverified data

Date and time Air quality SO₂ NO₂ PM₁₀ O₃ O3 - from model PM2.5
3h average 3h average 3h average 3h average 3h average 3h average
[µg/m³] [µg/m³] [µg/m³] [µg/m³] [µg/m³] [µg/m³]
2021-02-23 22:00 - 01:00 CET 2A 3.4 38.1 46.0 1.0 23.3
2021-02-23 23:00 - 02:00 CET 1B 3.5 38.0 40.3 1.0 20.0
2021-02-24 00:00 - 03:00 CET 1B 3.6 38.0 36.7 1.0 16.0
2021-02-24 01:00 - 04:00 CET 1B 3.5 37.6 36.3 1.0 14.0
2021-02-24 02:00 - 05:00 CET 1B 3.4 36.9 32.7 1.0 14.3
2021-02-24 03:00 - 06:00 CET 1B 3.3 36.2 29.0 1.0 14.7
2021-02-24 04:00 - 07:00 CET 1B 3.3 35.5 27.3 1.0 15.0
2021-02-24 05:00 - 08:00 CET 1B 3.3 34.8 26.3 1.5 14.3
2021-02-24 06:00 - 09:00 CET 1B 3.4 34.8 26.3 2.0 14.0
2021-02-24 07:00 - 10:00 CET 1B 3.3 35.4 25.7 2.9 15.3
2021-02-24 08:00 - 11:00 CET 1B 3.6 37.8 30.3 4.3 18.3
2021-02-24 09:00 - 12:00 CET 1B 3.8 42.5 40.0 5.6 22.3
2021-02-24 10:00 - 13:00 CET 2A 4.3 48.4 51.7 6.9 25.7
2021-02-24 11:00 - 14:00 CET 2A 4.3 51.5 57.0 8.1 32.7
2021-02-24 12:00 - 15:00 CET 2A 4.3 51.8 58.3 9.4 43.3
2021-02-24 13:00 - 16:00 CET 2A 4.3 50.0 60.7 10.0 47.3
2021-02-24 14:00 - 17:00 CET 2A 4.5 50.5 62.7 8.7 45.0
2021-02-24 15:00 - 18:00 CET 2A 4.6 50.5 63.7 6.0 40.7
2021-02-24 16:00 - 19:00 CET 2A 4.2 50.5 61.7 3.5 40.7
2021-02-24 17:00 - 20:00 CET 2A 3.6 48.4 61.3 2.4 41.3
2021-02-24 18:00 - 21:00 CET 2A 3.5 46.6 60.0 2.3 43.0
2021-02-24 19:00 - 22:00 CET 2A 3.5 44.7 57.0 2.5 40.7
2021-02-24 20:00 - 23:00 CET 2A 3.5 43.5 53.3 2.5 37.3
2021-02-24 21:00 - 00:00 CET 2A 3.6 42.3 46.3 2.4 30.7

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