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: 2025-07-04 16:26 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
2025-07-03 14:00 - 17:00 CEST 2B 31.2 135.2 19.6
2025-07-03 15:00 - 18:00 CEST 3A 38.8 131.8 25.5
2025-07-03 16:00 - 19:00 CEST 3A 47.7 126.2 28.4
2025-07-03 17:00 - 20:00 CEST 2B 43.2 121.6 29.0
2025-07-03 18:00 - 21:00 CEST 2B 40.3 114.1 24.2
2025-07-03 19:00 - 22:00 CEST 2B 33.3 107.5 20.6
2025-07-03 20:00 - 23:00 CEST 2B 30.2 96.4 16.7
2025-07-03 21:00 - 00:00 CEST 2B 27.8 86.6 17.6
2025-07-03 22:00 - 01:00 CEST 2A 27.0 78.0 15.0
2025-07-03 23:00 - 02:00 CEST 2A 25.0 71.6 17.8
2025-07-04 00:00 - 03:00 CEST 2A 21.4 64.9 16.0
2025-07-04 01:00 - 04:00 CEST 2A 15.4 61.8 13.0
2025-07-04 02:00 - 05:00 CEST 1B 13.0 59.2 8.4
2025-07-04 03:00 - 06:00 CEST 1B 12.2 56.0 6.1
2025-07-04 04:00 - 07:00 CEST 1B 13.8 51.3 6.2
2025-07-04 05:00 - 08:00 CEST 1B 15.1 44.9 6.0
2025-07-04 06:00 - 09:00 CEST 1B 16.9 44.7 8.4
2025-07-04 07:00 - 10:00 CEST 1B 16.4 51.7 9.0
2025-07-04 08:00 - 11:00 CEST 2A 13.4 62.5 8.6
2025-07-04 09:00 - 12:00 CEST 2A 10.3 71.7 6.4
2025-07-04 10:00 - 13:00 CEST 2A 10.4 75.1 5.0
2025-07-04 11:00 - 14:00 CEST 2A 9.1 79.0 5.5
2025-07-04 12:00 - 15:00 CEST 2A 9.0 84.0 5.7
2025-07-04 13:00 - 16:00 CEST 2A 8.2 92.2 5.8

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