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: 2025-09-08 18:25 CEST


Basic data
Locality: Ostrava-Poruba DD
Code: TOPDA
Type of measuring programme: Automated measuring program
Locality owner: ZU Statutory City of Ostrava
Classification
Abbreviation: T/U/R
Localization
Coordinates: 49° 50´ 7.700" North latitude 18° 9´ 54.800" East longitude
Altitude: 282 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
2025-09-07 16:00 - 19:00 CEST 2A 5.5 8.3 69.3 6.7
2025-09-07 17:00 - 20:00 CEST 2A 7.6 8.7 66.7 6.7
2025-09-07 18:00 - 21:00 CEST 1B 10.3 9.3 61.3 7.3
2025-09-07 19:00 - 22:00 CEST 1B 10.8 9.7 51.7 7.7
2025-09-07 20:00 - 23:00 CEST 1B 10.3 10.0 39.4 8.0
2025-09-07 21:00 - 00:00 CEST 1B 8.9 10.3 30.0 8.3
2025-09-07 22:00 - 01:00 CEST 1B 8.3 11.0 25.0 9.0
2025-09-07 23:00 - 02:00 CEST 1B 8.2 11.3 23.3 9.7
2025-09-08 00:00 - 03:00 CEST 1B 8.2 11.7 21.9 10.3
2025-09-08 01:00 - 04:00 CEST 1B 7.9 12.3 19.6 11.0
2025-09-08 02:00 - 05:00 CEST 1B 8.1 15.0 18.0 13.3
2025-09-08 03:00 - 06:00 CEST 1B 8.8 18.3 18.2 16.0
2025-09-08 04:00 - 07:00 CEST 1B 10.6 19.7 18.2 17.7
2025-09-08 05:00 - 08:00 CEST 1B 13.2 18.3 16.4 16.7
2025-09-08 06:00 - 09:00 CEST 1B 14.5 16.3 14.9 15.3
2025-09-08 07:00 - 10:00 CEST 1B 14.3 16.0 15.9 15.0
2025-09-08 08:00 - 11:00 CEST 1B 12.9 16.3 19.0 15.3
2025-09-08 09:00 - 12:00 CEST 1B 9.8 18.7 24.2 15.7
2025-09-08 10:00 - 13:00 CEST 1B 6.0 19.0 29.1 15.7
2025-09-08 11:00 - 14:00 CEST 1B 6.5 20.7 34.8 16.3
2025-09-08 12:00 - 15:00 CEST 1B 7.2 19.0 39.4 15.7
2025-09-08 13:00 - 16:00 CEST 1B 9.2 18.0 44.7 14.0
2025-09-08 14:00 - 17:00 CEST 1B 9.9 16.3 50.6 12.7
2025-09-08 15:00 - 18:00 CEST 2A 11.7 17.0 59.6 13.0

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