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: 2025-12-08 04:26 CET


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
2025-12-07 02:00 - 05:00 CET 1B 29.3 25.7 13.9
2025-12-07 03:00 - 06:00 CET 1B 29.8 26.0 19.4
2025-12-07 04:00 - 07:00 CET 1B 29.4 22.7 17.9
2025-12-07 05:00 - 08:00 CET 1B 29.3 27.4 19.2
2025-12-07 06:00 - 09:00 CET 1B 31.1 28.3 17.9
2025-12-07 07:00 - 10:00 CET 1B 30.7 24.5 15.7
2025-12-07 08:00 - 11:00 CET 1B 29.7 23.7 17.5
2025-12-07 09:00 - 12:00 CET 1B 30.6 25.8 14.6
2025-12-07 10:00 - 13:00 CET 1B 31.4 30.5 15.2
2025-12-07 11:00 - 14:00 CET 1B 30.2 24.9 10.5
2025-12-07 12:00 - 15:00 CET 1B 27.5 19.0 7.4
2025-12-07 13:00 - 16:00 CET 1A 28.8 10.7 4.3
2025-12-07 14:00 - 17:00 CET 1A 31.8 7.2 4.2
2025-12-07 15:00 - 18:00 CET 1A 37.7 6.7 4.4
2025-12-07 16:00 - 19:00 CET 1A 44.9 9.1 6.5
2025-12-07 17:00 - 20:00 CET 1B 50.9 14.9 9.6
2025-12-07 18:00 - 21:00 CET 1B 52.2 17.5 14.6
2025-12-07 19:00 - 22:00 CET 1B 48.7 21.0 15.3
2025-12-07 20:00 - 23:00 CET 1B 46.1 19.4 13.5
2025-12-07 21:00 - 00:00 CET 1B 42.6 18.9 8.7
2025-12-07 22:00 - 01:00 CET 1B 37.5 17.5 8.9
2025-12-07 23:00 - 02:00 CET 1B 29.8 19.8 9.6
2025-12-08 00:00 - 03:00 CET 1A 22.2 19.8 12.3
2025-12-08 01:00 - 04:00 CET 1A 16.9 21.5 10.5

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