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: 2025-12-05 07:25 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
2025-12-04 05:00 - 08:00 CET 1B 18.3 25.8 1.8 19.0
2025-12-04 06:00 - 09:00 CET 1B 21.4 29.1 0.9 24.3
2025-12-04 07:00 - 10:00 CET 1B 26.0 30.4 1.1 21.9
2025-12-04 08:00 - 11:00 CET 1B 29.0 38.6 1.8 26.5
2025-12-04 09:00 - 12:00 CET 1B 33.2 39.1 4.7 23.8
2025-12-04 10:00 - 13:00 CET 1B 33.8 39.7 10.8 19.2
2025-12-04 11:00 - 14:00 CET 1B 33.9 34.0 17.6 11.0
2025-12-04 12:00 - 15:00 CET 1B 34.2 30.6 22.5 8.9
2025-12-04 13:00 - 16:00 CET 1B 33.6 31.3 22.4 9.4
2025-12-04 14:00 - 17:00 CET 1B 35.0 32.6 20.0 9.8
2025-12-04 15:00 - 18:00 CET 1B 38.1 31.5 16.4 9.9
2025-12-04 16:00 - 19:00 CET 1B 42.2 25.5 11.1 8.3
2025-12-04 17:00 - 20:00 CET 1B 43.3 24.5 6.2 12.2
2025-12-04 18:00 - 21:00 CET 1B 43.3 29.1 3.0 13.0
2025-12-04 19:00 - 22:00 CET 1B 40.6 36.5 2.4 17.5
2025-12-04 20:00 - 23:00 CET 1B 37.5 35.3 3.3 18.3
2025-12-04 21:00 - 00:00 CET 1B 32.8 30.2 4.0 22.3
2025-12-04 22:00 - 01:00 CET 1B 28.9 25.0 6.3 22.9
2025-12-04 23:00 - 02:00 CET 1B 26.1 25.2 8.5 20.6
2025-12-05 00:00 - 03:00 CET 1B 24.3 23.7 11.8 21.6
2025-12-05 01:00 - 04:00 CET 1B 22.9 20.9 13.4 21.8
2025-12-05 02:00 - 05:00 CET 1A 21.5 15.7 15.4 20.9
2025-12-05 03:00 - 06:00 CET 1A 19.9 18.9 14.5 14.5
2025-12-05 04:00 - 07:00 CET 1A 19.1 20.6 11.0 13.2

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