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: 2025-08-02 12:25 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
2025-08-01 10:00 - 13:00 CEST 2A 14.4 8.2 61.6 15.6
2025-08-01 11:00 - 14:00 CEST 2A 13.4 9.0 67.7 16.3
2025-08-01 12:00 - 15:00 CEST 2A 11.1 9.9 75.2 12.2
2025-08-01 13:00 - 16:00 CEST 2A 12.5 10.1 73.7 9.7
2025-08-01 14:00 - 17:00 CEST 2A 13.8 10.9 69.4 7.4
2025-08-01 15:00 - 18:00 CEST 2A 13.7 11.4 65.2 4.4
2025-08-01 16:00 - 19:00 CEST 2A 13.5 11.9 70.0 2.9
2025-08-01 17:00 - 20:00 CEST 2A 16.9 7.9 69.2 1.6
2025-08-01 18:00 - 21:00 CEST 2A 30.0 8.5 61.2 3.5
2025-08-01 19:00 - 22:00 CEST 2A 39.6 11.3 44.6 5.8
2025-08-01 20:00 - 23:00 CEST 2A 52.1 12.6 35.0 7.0
2025-08-01 21:00 - 00:00 CEST 1B 51.5 11.6 31.0 7.5
2025-08-01 22:00 - 01:00 CEST 1B 48.2 9.4 31.3 6.7
2025-08-01 23:00 - 02:00 CEST 1B 40.5 11.4 30.5 8.5
2025-08-02 00:00 - 03:00 CEST 1B 32.1 13.1 28.1 7.2
2025-08-02 01:00 - 04:00 CEST 1B 26.9 17.0 25.5 7.0
2025-08-02 02:00 - 05:00 CEST 1B 26.2 17.0 23.1 4.4
2025-08-02 03:00 - 06:00 CEST 1B 25.5 16.0 20.6 3.8
2025-08-02 04:00 - 07:00 CEST 1B 24.6 11.5 18.5 5.9
2025-08-02 05:00 - 08:00 CEST 1B 21.8 17.0 19.5 7.9
2025-08-02 06:00 - 09:00 CEST 1B 20.4 21.7 23.8 9.4
2025-08-02 07:00 - 10:00 CEST 1B 17.8 25.0 34.4 8.7
2025-08-02 08:00 - 11:00 CEST 1B 16.3 18.0 45.2 13.4
2025-08-02 09:00 - 12:00 CEST 2A 16.2 14.4 55.8 15.9

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