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-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
2025-08-01 10:00 - 13:00 CEST 1B 2.8 75.9 3.6
2025-08-01 11:00 - 14:00 CEST 2A 3.6 79.7 3.2
2025-08-01 12:00 - 15:00 CEST 2A 6.7 78.3 2.7
2025-08-01 13:00 - 16:00 CEST 2A 8.0 75.6 2.1
2025-08-01 14:00 - 17:00 CEST 2A 11.3 72.9 2.1
2025-08-01 15:00 - 18:00 CEST 2A 11.3 71.8 3.9
2025-08-01 16:00 - 19:00 CEST 2A 11.1 72.4 5.3
2025-08-01 17:00 - 20:00 CEST 2A 7.4 72.1 5.8
2025-08-01 18:00 - 21:00 CEST 1B 4.8 71.4 7.0
2025-08-01 19:00 - 22:00 CEST 1B 3.8 66.3 7.3
2025-08-01 20:00 - 23:00 CEST 1B 4.7 61.3 6.9
2025-08-01 21:00 - 00:00 CEST 1B 6.5 54.3 4.0
2025-08-01 22:00 - 01:00 CEST 1B 7.1 48.9 2.8
2025-08-01 23:00 - 02:00 CEST 1B 11.2 45.9 3.9
2025-08-02 00:00 - 03:00 CEST 1B 12.0 46.4 4.4
2025-08-02 01:00 - 04:00 CEST 1B 13.1 42.3 4.6
2025-08-02 02:00 - 05:00 CEST 1B 8.7 37.4 5.4
2025-08-02 03:00 - 06:00 CEST 1B 7.5 37.0 5.7
2025-08-02 04:00 - 07:00 CEST 1B 7.9 38.9 5.4
2025-08-02 05:00 - 08:00 CEST 1B 10.5 44.2 4.1
2025-08-02 06:00 - 09:00 CEST 1B 10.9 51.6 5.8
2025-08-02 07:00 - 10:00 CEST 2A 15.0 60.9 6.7
2025-08-02 08:00 - 11:00 CEST 2A 14.5 70.8 7.0
2025-08-02 09:00 - 12:00 CEST 2A 13.7 77.3 5.2

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