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: 2025-09-08 18:25 CEST


Basic data Locality photo
Locality: Ostrava-Zabreh
Code: TOZRA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 49° 47´ 45.742" North latitude 18° 14´ 49.851" East longitude
Altitude: 235 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
2025-09-07 16:00 - 19:00 CEST 1B 5.2 70.2 6.0
2025-09-07 17:00 - 20:00 CEST 1B 4.5 65.4 6.2
2025-09-07 18:00 - 21:00 CEST 1B 11.9 60.1 9.6
2025-09-07 19:00 - 22:00 CEST 1B 14.1 51.1 11.0
2025-09-07 20:00 - 23:00 CEST 1B 18.5 40.4 13.4
2025-09-07 21:00 - 00:00 CEST 1B 16.3 30.7 11.4
2025-09-07 22:00 - 01:00 CEST 1B 18.8 25.0 14.1
2025-09-07 23:00 - 02:00 CEST 1B 17.5 22.7 16.5
2025-09-08 00:00 - 03:00 CEST 1B 17.2 21.7 15.9
2025-09-08 01:00 - 04:00 CEST 1A 14.4 20.0 12.0
2025-09-08 02:00 - 05:00 CEST 1A 16.0 18.6 11.7
2025-09-08 03:00 - 06:00 CEST 1B 19.7 18.8 11.5
2025-09-08 04:00 - 07:00 CEST 1B 25.6 17.8 13.3
2025-09-08 05:00 - 08:00 CEST 1B 25.6 16.5 15.6
2025-09-08 06:00 - 09:00 CEST 1B 25.5 15.6 18.7
2025-09-08 07:00 - 10:00 CEST 1B 20.4 16.6 22.1
2025-09-08 08:00 - 11:00 CEST 1B 20.9 19.6 24.3
2025-09-08 09:00 - 12:00 CEST 1B 18.1 24.3 23.1
2025-09-08 10:00 - 13:00 CEST 1B 21.4 28.8 20.9
2025-09-08 11:00 - 14:00 CEST 1B 20.7 34.4 18.6
2025-09-08 12:00 - 15:00 CEST 1B 21.4 39.0 17.1
2025-09-08 13:00 - 16:00 CEST 1B 17.6 44.5 16.0
2025-09-08 14:00 - 17:00 CEST 1B 16.5 50.3 10.9
2025-09-08 15:00 - 18:00 CEST 2A 15.8 59.8 11.7

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