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: 2025-05-02 11:25 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
2025-05-01 09:00 - 12:00 CEST 3A 52.5 80.9 69.8 62.4
2025-05-01 10:00 - 13:00 CEST 3A 51.2 62.4 93.7 46.8
2025-05-01 11:00 - 14:00 CEST 3A 47.5 41.6 110.3 29.6
2025-05-01 12:00 - 15:00 CEST 3A 44.0 27.8 116.8 17.8
2025-05-01 13:00 - 16:00 CEST 2B 44.3 25.1 119.3 15.7
2025-05-01 14:00 - 17:00 CEST 2B 48.7 23.2 120.7 14.0
2025-05-01 15:00 - 18:00 CEST 2B 51.5 22.0 121.9 13.0
2025-05-01 16:00 - 19:00 CEST 2B 58.5 22.0 122.0 13.0
2025-05-01 17:00 - 20:00 CEST 3A 61.0 22.4 119.6 13.6
2025-05-01 18:00 - 21:00 CEST 3A 72.6 24.8 111.4 15.3
2025-05-01 19:00 - 22:00 CEST 3A 81.1 29.1 101.3 18.5
2025-05-01 20:00 - 23:00 CEST 3A 92.8 36.6 89.8 23.3
2025-05-01 21:00 - 00:00 CEST 2B 86.7 39.0 73.1 25.8
2025-05-01 22:00 - 01:00 CEST 2B 74.3 39.8 46.1 27.4
2025-05-01 23:00 - 02:00 CEST 2A 52.8 36.6 35.9 27.2
2025-05-02 00:00 - 03:00 CEST 2A 38.4 36.5 31.7 28.2
2025-05-02 01:00 - 04:00 CEST 2A 27.2 35.3 52.0 28.2
2025-05-02 02:00 - 05:00 CEST 2A 24.4 34.7 53.8 28.1
2025-05-02 03:00 - 06:00 CEST 2A 30.2 36.0 51.8 28.5
2025-05-02 04:00 - 07:00 CEST 2B 37.3 38.6 46.8 29.1
2025-05-02 05:00 - 08:00 CEST 2B 43.7 39.3 43.5 28.9
2025-05-02 06:00 - 09:00 CEST 2B 43.4 38.2 45.3 27.4
2025-05-02 07:00 - 10:00 CEST 2B 42.7 36.5 52.5 25.2
2025-05-02 08:00 - 11:00 CEST 2B 43.0 36.9 61.0 23.6

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