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: 2025-07-15 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
2025-07-14 10:00 - 13:00 CEST 2B 19.5 26.5 107.7 21.4
2025-07-14 11:00 - 14:00 CEST 2B 11.9 21.6 116.2 16.4
2025-07-14 12:00 - 15:00 CEST 2B 10.0 18.4 117.8 13.9
2025-07-14 13:00 - 16:00 CEST 2B 10.2 15.1 117.7 8.3
2025-07-14 14:00 - 17:00 CEST 2B 10.4 16.2 116.7 9.2
2025-07-14 15:00 - 18:00 CEST 2B 9.6 13.2 115.3 10.1
2025-07-14 16:00 - 19:00 CEST 2B 8.0 11.5 111.1 10.2
2025-07-14 17:00 - 20:00 CEST 2B 8.4 14.3 106.4 6.8
2025-07-14 18:00 - 21:00 CEST 2B 9.4 21.2 99.2 4.4
2025-07-14 19:00 - 22:00 CEST 2B 10.3 28.7 93.9 7.4
2025-07-14 20:00 - 23:00 CEST 2B 10.0 27.2 89.3 8.5
2025-07-14 21:00 - 00:00 CEST 2B 9.1 21.8 85.5 10.2
2025-07-14 22:00 - 01:00 CEST 2A 8.4 17.7 82.9 6.5
2025-07-14 23:00 - 02:00 CEST 2A 7.7 14.5 78.1 6.6
2025-07-15 00:00 - 03:00 CEST 2A 6.6 13.0 74.9 5.8
2025-07-15 01:00 - 04:00 CEST 2A 8.0 9.2 71.1 6.0
2025-07-15 02:00 - 05:00 CEST 2A 9.3 14.6 66.4 5.9
2025-07-15 03:00 - 06:00 CEST 2A 15.1 16.3 61.8 5.3
2025-07-15 04:00 - 07:00 CEST 2A 21.7 19.3 55.9 8.3
2025-07-15 05:00 - 08:00 CEST 2A 25.4 16.8 52.2 12.7
2025-07-15 06:00 - 09:00 CEST 2A 23.7 26.8 54.9 14.9
2025-07-15 07:00 - 10:00 CEST 2A 17.8 28.4 66.7 17.8
2025-07-15 08:00 - 11:00 CEST 2B 15.4 26.2 83.5 14.8
2025-07-15 09:00 - 12:00 CEST 2B 14.8 14.0 97.6 13.8

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