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: 2026-06-15 07:27 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
2026-06-14 05:00 - 08:00 CEST 2A 15.4 15.7 50.3 7.9
2026-06-14 06:00 - 09:00 CEST 2A 9.7 12.1 58.7 6.2
2026-06-14 07:00 - 10:00 CEST 2A 7.5 9.3 63.8 4.5
2026-06-14 08:00 - 11:00 CEST 2A 6.4 8.1 66.4 3.8
2026-06-14 09:00 - 12:00 CEST 2A 6.9 7.0 67.7 3.2
2026-06-14 10:00 - 13:00 CEST 2A 8.9 7.3 67.9 3.2
2026-06-14 11:00 - 14:00 CEST 2A 10.1 8.0 67.6 3.3
2026-06-14 12:00 - 15:00 CEST 2A 9.2 8.6 67.8 3.4
2026-06-14 13:00 - 16:00 CEST 2A 8.0 8.0 68.7 3.4
2026-06-14 14:00 - 17:00 CEST 2A 6.7 7.5 72.0 3.3
2026-06-14 15:00 - 18:00 CEST 2A 5.6 7.1 73.9 3.2
2026-06-14 16:00 - 19:00 CEST 2A 5.9 6.8 74.9 3.2
2026-06-14 17:00 - 20:00 CEST 2A 8.7 6.7 72.0 3.5
2026-06-14 18:00 - 21:00 CEST 2A 10.3 7.0 68.5 3.8
2026-06-14 19:00 - 22:00 CEST 2A 10.6 7.2 65.2 4.2
2026-06-14 20:00 - 23:00 CEST 1B 8.8 7.6 61.9 4.6
2026-06-14 21:00 - 00:00 CEST 1B 8.2 7.7 59.7 4.8
2026-06-14 22:00 - 01:00 CEST 1B 6.7 7.2 60.5 4.3
2026-06-14 23:00 - 02:00 CEST 1B 5.8 6.1 62.9 3.6
2026-06-15 00:00 - 03:00 CEST 1B 4.3 5.1 64.3 3.0
2026-06-15 01:00 - 04:00 CEST 1B 3.9 5.3 59.9 3.3
2026-06-15 02:00 - 05:00 CEST 1B 4.1 6.0 54.5 3.9
2026-06-15 03:00 - 06:00 CEST 1B 5.5 6.7 53.2 4.5
2026-06-15 04:00 - 07:00 CEST 1B 7.1 7.5 51.4 4.9

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