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: 2025-06-11 01:27 CEST


Basic data Locality photo
Locality: Ostrava-Privoz
Code: TOPRA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: I/U/IR
Localization
Coordinates: 49° 51´ 22.530" North latitude 18° 16´ 11.068" East longitude
Altitude: 207 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
2025-06-09 23:00 - 02:00 CEST 2A 1.3 36.7 15.5 46.8 11.8
2025-06-10 00:00 - 03:00 CEST 1B 1.3 36.0 17.2 34.4 16.2
2025-06-10 01:00 - 04:00 CEST 1B 1.3 23.8 13.8 29.1 14.2
2025-06-10 02:00 - 05:00 CEST 1B 1.3 18.1 12.6 28.5 11.0
2025-06-10 03:00 - 06:00 CEST 1B 2.0 21.0 15.0 24.0 7.9
2025-06-10 04:00 - 07:00 CEST 1B 3.3 24.9 16.3 18.7 5.8
2025-06-10 05:00 - 08:00 CEST 1B 5.9 27.0 17.6 17.0 7.7
2025-06-10 06:00 - 09:00 CEST 1B 7.8 27.9 19.7 21.0 9.2
2025-06-10 07:00 - 10:00 CEST 1B 8.1 27.8 20.4 32.0 9.1
2025-06-10 08:00 - 11:00 CEST 2A 6.2 24.5 18.7 49.8 5.8
2025-06-10 09:00 - 12:00 CEST 2A 4.1 18.1 15.7 67.5 3.5
2025-06-10 10:00 - 13:00 CEST 2A 2.5 11.3 14.1 79.4 3.2
2025-06-10 11:00 - 14:00 CEST 2A 2.2 7.7 18.9 86.5 6.2
2025-06-10 12:00 - 15:00 CEST 2B 1.8 6.2 21.6 89.5 8.2
2025-06-10 13:00 - 16:00 CEST 2B 1.8 5.8 24.1 93.1 9.8
2025-06-10 14:00 - 17:00 CEST 2B 1.9 5.7 22.0 96.7 10.9
2025-06-10 15:00 - 18:00 CEST 2B 1.9 6.6 18.9 101.1 14.6
2025-06-10 16:00 - 19:00 CEST 2B 1.9 7.4 16.0 104.2 17.7
2025-06-10 17:00 - 20:00 CEST 2B 1.3 9.5 14.7 105.1 19.1
2025-06-10 18:00 - 21:00 CEST 2B 1.3 11.1 16.1 103.8 19.7
2025-06-10 19:00 - 22:00 CEST 2B 1.3 13.9 19.3 101.0 17.8
2025-06-10 20:00 - 23:00 CEST 2B 2.1 14.5 20.2 95.7 16.8
2025-06-10 21:00 - 00:00 CEST 2B 3.3 15.6 23.6 90.5 17.3
2025-06-10 22:00 - 01:00 CEST 2B 3.9 16.5 24.1 85.5 20.1

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