Web Generator 1.0.0
ISKO
Information about air quality in the Czech Republic
Current overview of data from automated stations (non-verified data)

Updated: 2025-12-08 02:25 CET


Basic data Locality photo
Locality: Praha 2-Legerova
Code: ALEGA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: T/U/RC
Localization
Coordinates: 50° 4´ 20.596" North latitude 14° 25´ 50.422" East longitude
Altitude: 219 m

Actual measured level of air pollution

Actual unverified data

Date and time Air quality SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
3h average 3h average 3h average 3h average 3h average 3h average 3h average
µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³
2025-12-07 00:00 - 03:00 CET 1B 33.0 27.6 23.8
2025-12-07 01:00 - 04:00 CET 1B 27.7 25.3 22.6
2025-12-07 02:00 - 05:00 CET 1B 24.7 23.1 20.9
2025-12-07 03:00 - 06:00 CET 1B 23.0 21.5 19.8
2025-12-07 04:00 - 07:00 CET 1B 23.1 20.2 18.5
2025-12-07 05:00 - 08:00 CET 1A 22.2 19.3 17.6
2025-12-07 06:00 - 09:00 CET 1A 24.4 18.1 16.4
2025-12-07 07:00 - 10:00 CET 1A 25.6 17.9 15.8
2025-12-07 08:00 - 11:00 CET 1B 27.9 18.1 15.3
2025-12-07 09:00 - 12:00 CET 1B 31.8 19.4 15.3
2025-12-07 10:00 - 13:00 CET 1B 32.6 18.3 13.4
2025-12-07 11:00 - 14:00 CET 1A 31.5 15.8 10.6
2025-12-07 12:00 - 15:00 CET 1A 27.3 12.4 7.5
2025-12-07 13:00 - 16:00 CET 1A 26.6 11.0 6.6
2025-12-07 14:00 - 17:00 CET 1A 30.3 11.4 7.2
2025-12-07 15:00 - 18:00 CET 1A 39.3 12.8 9.0
2025-12-07 16:00 - 19:00 CET 1B 46.6 16.2 12.0
2025-12-07 17:00 - 20:00 CET 1B 51.4 19.0 15.0
2025-12-07 18:00 - 21:00 CET 1B 46.4 21.9 17.8
2025-12-07 19:00 - 22:00 CET 1B 41.6 21.8 18.3
2025-12-07 20:00 - 23:00 CET 1B 40.0 21.8 18.5
2025-12-07 21:00 - 00:00 CET 1B 34.8 20.5 17.7
2025-12-07 22:00 - 01:00 CET 1B 28.4 20.2 17.8
2025-12-07 23:00 - 02:00 CET 1A 21.7 18.3 16.3

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
Component is not measured, index not determined
Incomplete data


Map of station position

Map is on page with detailed information about locality