Information about air quality in the Czech Republic

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

Updated: 2021-01-25 21:24 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]
2021-01-24 19:00 - 22:00 CET 1A 6.2 6.3 50.9 5.3
2021-01-24 20:00 - 23:00 CET 1A 7.0 6.3 45.4 5.0
2021-01-24 21:00 - 00:00 CET 1A 8.0 7.3 42.8 5.3
2021-01-24 22:00 - 01:00 CET 1A 8.8 8.3 38.0 6.0
2021-01-24 23:00 - 02:00 CET 1A 8.5 8.0 35.6 6.3
2021-01-25 00:00 - 03:00 CET 1A 7.6 8.0 34.9 6.7
2021-01-25 01:00 - 04:00 CET 1A 7.1 8.7 33.4 7.0
2021-01-25 02:00 - 05:00 CET 1A 8.2 9.3 31.2 7.3
2021-01-25 03:00 - 06:00 CET 1A 10.4 9.3 30.4 7.7
2021-01-25 04:00 - 07:00 CET 1A 12.7 10.0 31.2 8.7
2021-01-25 05:00 - 08:00 CET 1A 14.7 12.0 32.8 10.0
2021-01-25 06:00 - 09:00 CET 1A 22.5 14.7 28.7 10.7
2021-01-25 07:00 - 10:00 CET 1A 25.2 15.3 28.1 10.0
2021-01-25 08:00 - 11:00 CET 1A 24.4 13.0 30.5 8.7
2021-01-25 09:00 - 12:00 CET 1A 15.4 9.7 40.4 8.7
2021-01-25 10:00 - 13:00 CET 1A 11.7 9.7 48.6 9.7
2021-01-25 11:00 - 14:00 CET 1A 9.8 12.0 55.6 11.3
2021-01-25 12:00 - 15:00 CET 1A 9.8 13.0 60.3 12.3
2021-01-25 13:00 - 16:00 CET 1A 8.9 12.7 60.4 11.7
2021-01-25 14:00 - 17:00 CET 1A 16.8 14.3 52.6 10.0
2021-01-25 15:00 - 18:00 CET 1A 25.2 17.7 39.5 9.0
2021-01-25 16:00 - 19:00 CET 1B 31.8 18.7 31.9 8.7
2021-01-25 17:00 - 20:00 CET 1A 26.7 18.0 36.8 8.3
2021-01-25 18:00 - 21:00 CET 1A 16.1 17.0 48.3 7.7

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