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: 2025-12-08 00:26 CET


Basic data Locality photo
Locality: Ostrava-Ceskobratrsk
Code: TOCBA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: T/U/CR
Localization
Coordinates: 49° 50´ 23.451" North latitude 18° 17´ 23.914" East longitude
Altitude: 215 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
2025-12-06 22:00 - 01:00 CET 1A 16.8 20.5 18.5
2025-12-06 23:00 - 02:00 CET 1A 16.4 20.5 18.5
2025-12-07 00:00 - 03:00 CET 1A 15.6 20.3 18.4
2025-12-07 01:00 - 04:00 CET 1A 15.1 21.3 19.2
2025-12-07 02:00 - 05:00 CET 1A 15.6 22.4 20.0
2025-12-07 03:00 - 06:00 CET 1A 15.5 22.4 20.1
2025-12-07 04:00 - 07:00 CET 1A 16.4 21.5 19.4
2025-12-07 05:00 - 08:00 CET 1A 16.2 21.0 18.9
2025-12-07 06:00 - 09:00 CET 1A 16.9 20.2 18.2
2025-12-07 07:00 - 10:00 CET 1A 16.7 19.9 17.9
2025-12-07 08:00 - 11:00 CET 1A 16.1 18.6 16.9
2025-12-07 09:00 - 12:00 CET 1A 16.5 17.9 16.1
2025-12-07 10:00 - 13:00 CET 1A 16.2 16.8 14.6
2025-12-07 11:00 - 14:00 CET 1A 18.0 16.7 13.9
2025-12-07 12:00 - 15:00 CET 1A 18.4 15.9 12.6
2025-12-07 13:00 - 16:00 CET 1A 21.9 15.5 11.9
2025-12-07 14:00 - 17:00 CET 1A 24.5 14.9 11.8
2025-12-07 15:00 - 18:00 CET 1A 28.4 16.1 13.3
2025-12-07 16:00 - 19:00 CET 1A 28.4 17.3 15.0
2025-12-07 17:00 - 20:00 CET 1B 27.6 18.4 15.9
2025-12-07 18:00 - 21:00 CET 1A 24.1 18.4 16.1
2025-12-07 19:00 - 22:00 CET 1A 21.9 18.3 16.0
2025-12-07 20:00 - 23:00 CET 1A 20.2 17.9 16.0
2025-12-07 21:00 - 00:00 CET 1A 20.0 17.7 15.9

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