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: 2025-08-02 12:25 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
2025-08-01 10:00 - 13:00 CEST 1B 10.2 6.7 58.2 3.4
2025-08-01 11:00 - 14:00 CEST 2A 10.4 6.8 65.6 3.3
2025-08-01 12:00 - 15:00 CEST 2A 10.8 6.9 72.1 3.3
2025-08-01 13:00 - 16:00 CEST 2A 15.0 8.6 69.3 3.8
2025-08-01 14:00 - 17:00 CEST 2A 16.1 8.5 63.7 4.0
2025-08-01 15:00 - 18:00 CEST 2A 16.3 8.2 60.5 4.1
2025-08-01 16:00 - 19:00 CEST 2A 16.3 9.8 64.3 4.6
2025-08-01 17:00 - 20:00 CEST 2A 34.4 11.5 65.1 6.2
2025-08-01 18:00 - 21:00 CEST 2A 50.1 13.8 55.2 8.1
2025-08-01 19:00 - 22:00 CEST 2A 62.2 13.1 39.9 9.0
2025-08-01 20:00 - 23:00 CEST 1B 49.9 12.9 31.9 8.4
2025-08-01 21:00 - 00:00 CEST 1B 40.6 12.2 32.9 7.8
2025-08-01 22:00 - 01:00 CEST 1B 30.9 11.6 36.6 7.4
2025-08-01 23:00 - 02:00 CEST 1B 28.3 11.4 35.7 7.5
2025-08-02 00:00 - 03:00 CEST 1B 26.6 10.8 34.1 7.1
2025-08-02 01:00 - 04:00 CEST 1B 19.5 10.3 29.9 7.0
2025-08-02 02:00 - 05:00 CEST 1B 17.9 10.0 25.5 6.7
2025-08-02 03:00 - 06:00 CEST 1B 19.2 10.4 24.1 6.9
2025-08-02 04:00 - 07:00 CEST 1B 23.3 11.5 22.2 7.3
2025-08-02 05:00 - 08:00 CEST 1B 27.5 13.2 21.5 7.8
2025-08-02 06:00 - 09:00 CEST 1B 31.6 14.9 24.5 8.1
2025-08-02 07:00 - 10:00 CEST 1B 34.9 16.7 31.0 8.8
2025-08-02 08:00 - 11:00 CEST 2A 37.2 19.5 39.1 10.0
2025-08-02 09:00 - 12:00 CEST 2A 37.9 19.9 46.8 11.0

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