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: 2025-06-18 19:27 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
2025-06-17 17:00 - 20:00 CEST 2A 3.8 8.3 94.9 5.0
2025-06-17 18:00 - 21:00 CEST 2A 3.8 9.7 91.8 6.0
2025-06-17 19:00 - 22:00 CEST 2A 13.3 11.3 84.9 7.0
2025-06-17 20:00 - 23:00 CEST 2A 15.9 12.0 73.9 7.7
2025-06-17 21:00 - 00:00 CEST 2A 22.4 12.3 64.2 8.3
2025-06-17 22:00 - 01:00 CEST 2A 17.9 12.3 53.2 8.7
2025-06-17 23:00 - 02:00 CEST 1B 17.2 12.7 45.5 9.0
2025-06-18 00:00 - 03:00 CEST 1B 12.5 13.3 36.4 9.3
2025-06-18 01:00 - 04:00 CEST 1B 9.9 14.0 32.3 9.7
2025-06-18 02:00 - 05:00 CEST 1B 11.4 15.3 29.1 10.3
2025-06-18 03:00 - 06:00 CEST 1B 14.8 17.3 26.1 11.0
2025-06-18 04:00 - 07:00 CEST 1B 19.0 20.7 25.2 12.0
2025-06-18 05:00 - 08:00 CEST 1B 22.0 24.3 30.7 13.3
2025-06-18 06:00 - 09:00 CEST 2A 21.8 25.7 43.0 13.7
2025-06-18 07:00 - 10:00 CEST 2A 18.6 24.3 61.7 13.3
2025-06-18 08:00 - 11:00 CEST 2A 15.1 22.0 79.9 12.3
2025-06-18 09:00 - 12:00 CEST 2B 11.9 19.3 95.4 11.7
2025-06-18 10:00 - 13:00 CEST 2B 11.0 18.7 102.5 11.3
2025-06-18 11:00 - 14:00 CEST 2B 10.8 18.0 105.7 11.3
2025-06-18 12:00 - 15:00 CEST 2B 11.4 18.3 108.4 11.7
2025-06-18 13:00 - 16:00 CEST 2B 12.6 16.7 111.0 11.3
2025-06-18 14:00 - 17:00 CEST 2B 14.7 15.3 113.7 10.7
2025-06-18 15:00 - 18:00 CEST 2B 16.3 13.7 112.9 9.3
2025-06-18 16:00 - 19:00 CEST 2B 15.3 13.3 109.0 9.0

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