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: 2025-06-11 02:27 CEST


Basic data Locality photo
Locality: Praha 7-Holesovice
Code: AHOLA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: T/U/RC
Localization
Coordinates: 50° 6´ 31.841" North latitude 14° 26´ 37.141" East longitude
Altitude: 185 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
2025-06-10 00:00 - 03:00 CEST 2A 43.2 25.7 30.4 10.9
2025-06-10 01:00 - 04:00 CEST 2A 39.3 26.3 32.5 14.2
2025-06-10 02:00 - 05:00 CEST 2A 34.4 28.0 34.2 15.8
2025-06-10 03:00 - 06:00 CEST 2A 29.5 29.0 34.0 14.6
2025-06-10 04:00 - 07:00 CEST 2A 28.7 33.6 33.1 15.8
2025-06-10 05:00 - 08:00 CEST 2A 31.7 30.3 33.5 18.6
2025-06-10 06:00 - 09:00 CEST 2A 36.9 33.0 39.0 20.5
2025-06-10 07:00 - 10:00 CEST 2A 34.9 27.4 48.9 22.4
2025-06-10 08:00 - 11:00 CEST 2A 31.7 20.0 60.8 21.7
2025-06-10 09:00 - 12:00 CEST 2A 26.4 15.5 73.3 22.5
2025-06-10 10:00 - 13:00 CEST 2A 22.8 13.6 85.3 17.3
2025-06-10 11:00 - 14:00 CEST 2B 20.6 17.2 94.6 10.7
2025-06-10 12:00 - 15:00 CEST 2B 19.7 21.7 101.2 5.7
2025-06-10 13:00 - 16:00 CEST 2B 18.6 23.7 104.4 7.3
2025-06-10 14:00 - 17:00 CEST 2B 17.7 28.9 107.7 9.9
2025-06-10 15:00 - 18:00 CEST 2B 17.8 26.4 108.9 17.8
2025-06-10 16:00 - 19:00 CEST 2B 17.9 24.4 108.6 17.9
2025-06-10 17:00 - 20:00 CEST 2B 16.8 25.0 106.4 17.6
2025-06-10 18:00 - 21:00 CEST 2B 13.6 26.2 109.1 18.7
2025-06-10 19:00 - 22:00 CEST 2B 11.1 31.7 110.9 22.5
2025-06-10 20:00 - 23:00 CEST 2B 10.4 32.3 111.2 28.0
2025-06-10 21:00 - 00:00 CEST 2B 12.7 30.2 106.0 23.7
2025-06-10 22:00 - 01:00 CEST 2B 11.0 36.0 102.2 20.6
2025-06-10 23:00 - 02:00 CEST 2B 9.6 32.4 92.3 16.1

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