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 06:26 CET


Basic data
Locality: Katowice
Code: WKATA
Type of measuring programme: Automated measuring program
Locality owner: Glówny Inspektorat Ochrony Šrodowisk
Classification
Abbreviation: B/U/RCI
Localization
Coordinates: 50° 15´ 52.721" North latitude 18° 58´ 29.795" East longitude
Altitude: 274 m

Actual measured level of air pollution

Actual unverified data

Date and time Air quality SO₂ NO₂ PM₁₀ O₃ PM₂.₅
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
2025-12-04 04:00 - 07:00 CET 1B 8.2 35.2 38.6 1.3 30.6
2025-12-04 05:00 - 08:00 CET 2A 9.0 37.3 41.6 1.2 33.0
2025-12-04 06:00 - 09:00 CET 2A 9.0 41.2 42.8 1.3 33.9
2025-12-04 07:00 - 10:00 CET 2A 8.3 43.9 40.2 1.2 31.7
2025-12-04 08:00 - 11:00 CET 1B 7.6 43.6 36.5 1.4 28.8
2025-12-04 09:00 - 12:00 CET 1B 7.6 42.2 33.2 2.6 26.1
2025-12-04 10:00 - 13:00 CET 1B 7.5 39.7 30.3 7.9 23.8
2025-12-04 11:00 - 14:00 CET 1B 7.4 37.9 27.2 15.7 21.3
2025-12-04 12:00 - 15:00 CET 1B 7.1 38.6 24.7 20.1 19.4
2025-12-04 13:00 - 16:00 CET 1B 6.8 44.2 24.2 17.9 19.1
2025-12-04 14:00 - 17:00 CET 1B 6.5 50.3 27.4 12.6 21.3
2025-12-04 15:00 - 18:00 CET 1B 6.3 54.2 29.1 9.4 22.7
2025-12-04 16:00 - 19:00 CET 1B 7.3 55.0 32.5 9.1 25.4
2025-12-04 17:00 - 20:00 CET 2A 8.6 54.1 35.2 8.7 27.8
2025-12-04 18:00 - 21:00 CET 2A 9.7 51.6 38.1 7.9 30.1
2025-12-04 19:00 - 22:00 CET 2A 10.6 48.6 38.9 7.1 30.7
2025-12-04 20:00 - 23:00 CET 2A 9.9 45.9 38.3 7.6 30.3
2025-12-04 21:00 - 00:00 CET 2A 10.6 44.2 39.3 8.7 31.2
2025-12-04 22:00 - 01:00 CET 2A 10.1 42.4 40.9 9.8 32.3
2025-12-04 23:00 - 02:00 CET 2A 10.7 41.3 41.1 10.1 32.4
2025-12-05 00:00 - 03:00 CET 1B 9.7 39.5 37.4 10.8 29.5
2025-12-05 01:00 - 04:00 CET 1B 8.4 38.1 33.0 11.0 26.2
2025-12-05 02:00 - 05:00 CET 1B 7.3 37.4 29.2 11.1 23.1
2025-12-05 03:00 - 06:00 CET 1B 6.3 37.6 28.0 10.7 22.2

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