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: 2025-07-11 00:25 CEST


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
2025-07-09 22:00 - 01:00 CEST 1B 12.6 10.7 58.1 6.4
2025-07-09 23:00 - 02:00 CEST 1B 10.4 10.1 57.5 6.1
2025-07-10 00:00 - 03:00 CEST 1B 8.9 9.6 56.7 5.8
2025-07-10 01:00 - 04:00 CEST 1B 8.2 9.1 54.5 5.6
2025-07-10 02:00 - 05:00 CEST 1B 9.0 8.9 52.7 5.6
2025-07-10 03:00 - 06:00 CEST 1B 10.2 9.2 52.3 5.7
2025-07-10 04:00 - 07:00 CEST 1B 13.2 9.9 51.3 6.0
2025-07-10 05:00 - 08:00 CEST 1B 15.2 10.8 49.7 6.3
2025-07-10 06:00 - 09:00 CEST 1B 17.5 12.1 49.9 6.7
2025-07-10 07:00 - 10:00 CEST 2A 17.9 13.5 52.2 7.4
2025-07-10 08:00 - 11:00 CEST 2A 18.8 15.5 56.4 8.4
2025-07-10 09:00 - 12:00 CEST 2A 18.4 15.5 61.2 8.8
2025-07-10 10:00 - 13:00 CEST 2A 18.7 16.1 66.7 8.7
2025-07-10 11:00 - 14:00 CEST 2A 18.6 14.9 72.1 7.8
2025-07-10 12:00 - 15:00 CEST 2A 17.6 14.4 77.0 7.1
2025-07-10 13:00 - 16:00 CEST 2A 18.8 13.4 81.2 6.7
2025-07-10 14:00 - 17:00 CEST 2A 20.9 13.1 82.4 6.4
2025-07-10 15:00 - 18:00 CEST 2A 26.1 13.4 79.1 6.6
2025-07-10 16:00 - 19:00 CEST 2A 30.9 13.7 76.2 6.9
2025-07-10 17:00 - 20:00 CEST 2A 34.6 16.2 71.9 8.2
2025-07-10 18:00 - 21:00 CEST 2A 36.2 17.4 70.7 9.1
2025-07-10 19:00 - 22:00 CEST 2A 33.9 17.3 66.8 9.5
2025-07-10 20:00 - 23:00 CEST 2A 29.5 14.4 64.4 9.0
2025-07-10 21:00 - 00:00 CEST 2A 23.9 12.3 61.9 8.1

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