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: 2025-08-02 12:25 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
2025-08-01 10:00 - 13:00 CEST 2A 2.2 5.5 14.4 73.3 6.2
2025-08-01 11:00 - 14:00 CEST 2A 1.3 5.9 16.2 77.4 9.9
2025-08-01 12:00 - 15:00 CEST 2A 1.9 6.7 16.0 75.4 10.4
2025-08-01 13:00 - 16:00 CEST 2A 1.9 7.7 14.7 74.3 8.7
2025-08-01 14:00 - 17:00 CEST 2A 2.1 8.0 10.2 72.9 5.0
2025-08-01 15:00 - 18:00 CEST 2A 1.3 5.6 7.4 73.3 2.6
2025-08-01 16:00 - 19:00 CEST 2A 1.3 3.6 5.6 72.9 2.6
2025-08-01 17:00 - 20:00 CEST 2A 1.9 5.5 4.6 71.6 3.9
2025-08-01 18:00 - 21:00 CEST 2A 1.9 7.9 5.1 70.1 6.6
2025-08-01 19:00 - 22:00 CEST 2A 1.9 11.2 8.3 66.6 7.1
2025-08-01 20:00 - 23:00 CEST 2A 1.3 13.0 10.3 61.0 10.8
2025-08-01 21:00 - 00:00 CEST 1B 1.3 16.1 12.0 53.3 13.8
2025-08-01 22:00 - 01:00 CEST 1B 1.3 20.3 9.8 47.5 15.5
2025-08-01 23:00 - 02:00 CEST 1B 1.8 21.1 9.0 45.1 11.7
2025-08-02 00:00 - 03:00 CEST 1B 1.8 17.1 10.2 47.4 6.8
2025-08-02 01:00 - 04:00 CEST 1B 1.8 11.9 11.5 47.1 3.6
2025-08-02 02:00 - 05:00 CEST 1B 1.3 10.2 11.2 41.8 3.2
2025-08-02 03:00 - 06:00 CEST 1B 1.3 12.7 12.1 41.5 3.3
2025-08-02 04:00 - 07:00 CEST 1B 1.3 14.7 12.7 44.5 3.8
2025-08-02 05:00 - 08:00 CEST 1B 2.1 15.7 13.1 49.6 5.1
2025-08-02 06:00 - 09:00 CEST 1B 3.3 12.8 10.1 55.6 5.8
2025-08-02 07:00 - 10:00 CEST 2A 4.5 9.3 8.7 61.9 7.5
2025-08-02 08:00 - 11:00 CEST 2A 4.5 5.4 8.3 68.9 6.2
2025-08-02 09:00 - 12:00 CEST 2A 3.3 3.6 7.1 74.9 5.1

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