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: 2025-12-14 23:26 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
2025-12-13 21:00 - 00:00 CET 1B 27.2 20.7 19.3
2025-12-13 22:00 - 01:00 CET 1B 25.6 20.8 19.5
2025-12-13 23:00 - 02:00 CET 1B 23.4 21.8 20.4
2025-12-14 00:00 - 03:00 CET 1A 19.1 21.4 20.4
2025-12-14 01:00 - 04:00 CET 1A 16.8 20.9 20.0
2025-12-14 02:00 - 05:00 CET 1A 15.0 19.3 18.6
2025-12-14 03:00 - 06:00 CET 1A 15.0 17.9 17.3
2025-12-14 04:00 - 07:00 CET 1A 14.1 15.8 15.1
2025-12-14 05:00 - 08:00 CET 1A 14.4 13.6 12.8
2025-12-14 06:00 - 09:00 CET 1A 16.8 12.7 11.2
2025-12-14 07:00 - 10:00 CET 1A 19.7 12.2 10.4
2025-12-14 08:00 - 11:00 CET 1A 22.5 12.3 10.2
2025-12-14 09:00 - 12:00 CET 1A 22.8 12.5 10.0
2025-12-14 10:00 - 13:00 CET 1A 23.4 14.0 10.6
2025-12-14 11:00 - 14:00 CET 1A 25.5 16.0 11.7
2025-12-14 12:00 - 15:00 CET 1A 26.1 18.0 13.5
2025-12-14 13:00 - 16:00 CET 1B 26.7 19.4 14.7
2025-12-14 14:00 - 17:00 CET 1B 27.1 20.0 15.6
2025-12-14 15:00 - 18:00 CET 1B 27.7 19.8 15.5
2025-12-14 16:00 - 19:00 CET 1B 27.0 19.8 15.8
2025-12-14 17:00 - 20:00 CET 1B 26.6 19.7 15.9
2025-12-14 18:00 - 21:00 CET 1A 25.9 18.3 15.4
2025-12-14 19:00 - 22:00 CET 1A 24.7 16.5 14.2
2025-12-14 20:00 - 23:00 CET 1A 21.9 14.6 12.9

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