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: 2026-06-15 07:27 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
2026-06-14 05:00 - 08:00 CEST 1B 11.0 14.3 53.7 11.1
2026-06-14 06:00 - 09:00 CEST 2A 6.4 15.3 60.4 8.0
2026-06-14 07:00 - 10:00 CEST 2A 4.0 14.4 63.7 6.8
2026-06-14 08:00 - 11:00 CEST 2A 3.6 10.4 66.2 10.1
2026-06-14 09:00 - 12:00 CEST 1B 3.4 7.0 67.2 12.2
2026-06-14 10:00 - 13:00 CEST 1B 3.7 5.7 68.1 11.1
2026-06-14 11:00 - 14:00 CEST 1B 4.1 4.7 68.0 7.3
2026-06-14 12:00 - 15:00 CEST 1B 4.3 4.9 68.5 8.8
2026-06-14 13:00 - 16:00 CEST 2A 4.3 8.5 69.0 9.6
2026-06-14 14:00 - 17:00 CEST 2A 4.1 10.3 71.7 9.5
2026-06-14 15:00 - 18:00 CEST 2A 4.1 10.1 73.4 5.4
2026-06-14 16:00 - 19:00 CEST 2A 4.1 6.2 74.8 3.5
2026-06-14 17:00 - 20:00 CEST 2A 4.1 5.0 72.8 2.6
2026-06-14 18:00 - 21:00 CEST 1B 5.0 5.0 69.0 2.6
2026-06-14 19:00 - 22:00 CEST 1B 7.1 4.5 64.0 2.1
2026-06-14 20:00 - 23:00 CEST 1B 9.0 3.8 59.3 1.5
2026-06-14 21:00 - 00:00 CEST 1B 10.4 8.1 56.9 1.0
2026-06-14 22:00 - 01:00 CEST 1B 8.1 10.2 57.4 1.0
2026-06-14 23:00 - 02:00 CEST 1B 5.6 11.2 61.0 1.6
2026-06-15 00:00 - 03:00 CEST 1B 3.0 6.4 61.8 1.6
2026-06-15 01:00 - 04:00 CEST 1B 4.5 4.7 58.4 1.6
2026-06-15 02:00 - 05:00 CEST 1B 6.3 4.0 54.0 1.0
2026-06-15 03:00 - 06:00 CEST 1B 6.4 3.5 50.7 3.0
2026-06-15 04:00 - 07:00 CEST 1B 7.9 3.9 48.0 4.3

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