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: 2025-04-02 23:25 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
2025-04-01 21:00 - 00:00 CEST 2A 3.6 28.3 41.9 19.6 34.9
2025-04-01 22:00 - 01:00 CEST 2A 3.5 25.3 44.2 19.1 33.7
2025-04-01 23:00 - 02:00 CEST 2A 3.8 19.8 44.2 22.1 31.9
2025-04-02 00:00 - 03:00 CEST 2A 4.6 18.2 41.7 31.1 33.1
2025-04-02 01:00 - 04:00 CEST 2A 5.6 18.6 39.1 35.4 35.9
2025-04-02 02:00 - 05:00 CEST 2A 6.6 18.6 37.7 39.5 34.2
2025-04-02 03:00 - 06:00 CEST 2A 6.4 17.8 37.3 38.6 30.8
2025-04-02 04:00 - 07:00 CEST 2A 5.5 21.0 33.8 34.1 26.6
2025-04-02 05:00 - 08:00 CEST 2A 4.6 23.8 31.6 28.2 26.6
2025-04-02 06:00 - 09:00 CEST 2A 4.3 21.9 33.2 29.6 26.7
2025-04-02 07:00 - 10:00 CEST 2A 4.8 15.7 34.2 34.2 23.3
2025-04-02 08:00 - 11:00 CEST 2A 4.7 15.4 34.6 40.6 19.1
2025-04-02 09:00 - 12:00 CEST 2A 4.7 14.8 30.4 44.6 16.9
2025-04-02 10:00 - 13:00 CEST 2A 4.7 14.5 30.3 48.4 16.7
2025-04-02 11:00 - 14:00 CEST 2A 5.0 13.9 26.5 51.4 17.0
2025-04-02 12:00 - 15:00 CEST 2A 5.2 13.6 28.3 55.7 14.0
2025-04-02 13:00 - 16:00 CEST 2A 5.6 13.9 26.3 59.6 13.9
2025-04-02 14:00 - 17:00 CEST 2B 6.4 15.1 29.6 69.3 15.5
2025-04-02 15:00 - 18:00 CEST 2B 6.3 13.2 26.6 82.7 17.8
2025-04-02 16:00 - 19:00 CEST 2B 5.5 10.9 23.4 96.2 18.6
2025-04-02 17:00 - 20:00 CEST 2B 4.3 8.1 18.3 101.4 16.0
2025-04-02 18:00 - 21:00 CEST 2B 4.0 8.1 17.4 99.4 15.8
2025-04-02 19:00 - 22:00 CEST 2B 4.1 8.3 16.9 96.3 17.2
2025-04-02 20:00 - 23:00 CEST 2A 3.9 8.7 17.5 89.8 21.1

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