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: 2025-07-04 16:26 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
2025-07-03 14:00 - 17:00 CEST 2B 12.3 35.3 132.9 16.0
2025-07-03 15:00 - 18:00 CEST 2B 9.7 38.0 129.3 18.0
2025-07-03 16:00 - 19:00 CEST 2B 9.0 34.7 123.5 16.7
2025-07-03 17:00 - 20:00 CEST 2B 7.6 30.3 121.2 14.3
2025-07-03 18:00 - 21:00 CEST 2B 6.1 30.0 114.2 13.3
2025-07-03 19:00 - 22:00 CEST 2B 3.8 27.3 105.8 11.7
2025-07-03 20:00 - 23:00 CEST 2B 3.8 24.0 94.4 10.7
2025-07-03 21:00 - 00:00 CEST 2A 3.8 18.7 84.9 9.7
2025-07-03 22:00 - 01:00 CEST 2A 3.8 15.0 76.5 8.7
2025-07-03 23:00 - 02:00 CEST 2A 3.8 12.7 70.9 7.7
2025-07-04 00:00 - 03:00 CEST 2A 3.8 10.3 65.0 6.3
2025-07-04 01:00 - 04:00 CEST 1B 3.8 8.7 62.7 5.3
2025-07-04 02:00 - 05:00 CEST 1B 3.8 7.7 61.8 4.7
2025-07-04 03:00 - 06:00 CEST 1B 3.8 8.0 58.9 5.0
2025-07-04 04:00 - 07:00 CEST 1B 7.6 9.7 52.7 6.0
2025-07-04 05:00 - 08:00 CEST 1B 9.7 11.7 45.2 7.0
2025-07-04 06:00 - 09:00 CEST 1B 12.1 13.0 43.9 7.7
2025-07-04 07:00 - 10:00 CEST 1B 9.7 12.0 51.8 7.0
2025-07-04 08:00 - 11:00 CEST 2A 7.6 9.7 64.8 5.7
2025-07-04 09:00 - 12:00 CEST 2A 7.6 7.7 74.3 4.3
2025-07-04 10:00 - 13:00 CEST 2A 8.2 7.3 79.2 4.0
2025-07-04 11:00 - 14:00 CEST 2A 9.6 8.0 84.8 4.3
2025-07-04 12:00 - 15:00 CEST 2A 9.7 9.3 91.2 5.0
2025-07-04 13:00 - 16:00 CEST 2A 9.1 11.3 96.0 6.3

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