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: 2025-12-05 06:26 CET


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
2025-12-04 04:00 - 07:00 CET 2B 106.0 4.7 86.9
2025-12-04 05:00 - 08:00 CET 2B 105.3 4.4 85.5
2025-12-04 06:00 - 09:00 CET 2B 107.0 4.4 87.0
2025-12-04 07:00 - 10:00 CET 2B 114.6 4.3 89.5
2025-12-04 08:00 - 11:00 CET 2B 115.7 4.4 89.3
2025-12-04 09:00 - 12:00 CET 2B 115.3 4.9 90.8
2025-12-04 10:00 - 13:00 CET 2B 117.0 5.2 90.2
2025-12-04 11:00 - 14:00 CET 2B 122.8 5.6 86.0
2025-12-04 12:00 - 15:00 CET 2B 124.1 7.2 79.9
2025-12-04 13:00 - 16:00 CET 2B 118.6 7.5 71.5
2025-12-04 14:00 - 17:00 CET 2B 116.7 7.3 73.8
2025-12-04 15:00 - 18:00 CET 2B 116.0 7.2 75.4
2025-12-04 16:00 - 19:00 CET 2B 124.0 7.3 85.1
2025-12-04 17:00 - 20:00 CET 2B 120.4 6.6 86.8
2025-12-04 18:00 - 21:00 CET 2B 113.2 5.6 90.8
2025-12-04 19:00 - 22:00 CET 2B 109.1 4.6 83.9
2025-12-04 20:00 - 23:00 CET 2B 95.1 4.2 73.5
2025-12-04 21:00 - 00:00 CET 2B 90.0 4.3 63.8
2025-12-04 22:00 - 01:00 CET 2A 78.6 4.3 60.9
2025-12-04 23:00 - 02:00 CET 2A 78.7 4.4 62.7
2025-12-05 00:00 - 03:00 CET 2A 79.5 5.5 60.0
2025-12-05 01:00 - 04:00 CET 2A 66.2 4.3 56.6
2025-12-05 02:00 - 05:00 CET 1B 58.2 4.2 50.2
2025-12-05 03:00 - 06:00 CET 1B 50.0 4.2 45.7

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