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: Letiste Praha
Code: ALERA
Type of measuring programme: Automated measuring program
Locality owner: Letiste Praha, s.r.o.
Classification
Abbreviation: T/S/C
Localization
Coordinates: 50° 6´ 25.510" North latitude 14° 15´ 26.014" East longitude
Altitude: 376 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]
2021-02-26 02:00 - 05:00 CET 2A 32.0 72.3 9.1 45.3
2021-02-26 03:00 - 06:00 CET 2A 27.9 73.3 11.3 38.0
2021-02-26 04:00 - 07:00 CET 2A 30.9 75.0 8.4 33.3
2021-02-26 05:00 - 08:00 CET 2A 32.5 74.0 7.7 31.7
2021-02-26 06:00 - 09:00 CET 2A 32.6 72.7 9.5 30.7
2021-02-26 07:00 - 10:00 CET 2A 30.0 72.3 13.4 31.0
2021-02-26 08:00 - 11:00 CET 2A 25.5 75.3 21.2 34.7
2021-02-26 09:00 - 12:00 CET 2A 20.4 80.3 29.5 38.7
2021-02-26 10:00 - 13:00 CET 2B 19.9 84.3 31.1 42.3
2021-02-26 11:00 - 14:00 CET 2B 21.3 83.0 31.0 43.3
2021-02-26 12:00 - 15:00 CET 2B 24.5 81.3 31.3 43.3
2021-02-26 13:00 - 16:00 CET 2B 22.7 80.7 34.0 43.3
2021-02-26 14:00 - 17:00 CET 2A 20.6 74.3 36.2 39.3
2021-02-26 15:00 - 18:00 CET 2A 15.6 55.3 44.9 29.3
2021-02-26 16:00 - 19:00 CET 1B 11.1 30.0 57.2 15.7
2021-02-26 17:00 - 20:00 CET 1A 8.2 13.3 66.6 6.0
2021-02-26 18:00 - 21:00 CET 1A 7.6 8.3 67.8 3.3
2021-02-26 19:00 - 22:00 CET 1A 6.9 6.7 67.6 3.7
2021-02-26 20:00 - 23:00 CET 1A 8.9 4.3 62.2 4.3
2021-02-26 21:00 - 00:00 CET 1A 10.8 5.0 57.1 4.0
2021-02-26 22:00 - 01:00 CET 1A 11.7 8.3 49.4 4.0
2021-02-26 23:00 - 02:00 CET 1A 9.7 13.3 50.6 4.3
2021-02-27 00:00 - 03:00 CET 1A 8.1 17.0 51.5 6.0
2021-02-27 01:00 - 04:00 CET 1A 7.3 20.3 51.6 8.3

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