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-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
2025-09-07 16:00 - 19:00 CEST 2A 25.2 11.4 67.6 8.7
2025-09-07 17:00 - 20:00 CEST 2A 27.8 12.4 66.3 9.3
2025-09-07 18:00 - 21:00 CEST 2A 30.8 13.5 60.6 9.9
2025-09-07 19:00 - 22:00 CEST 2A 31.6 14.2 50.1 10.5
2025-09-07 20:00 - 23:00 CEST 1B 31.9 14.5 36.7 10.9
2025-09-07 21:00 - 00:00 CEST 1B 29.9 15.3 27.0 11.7
2025-09-07 22:00 - 01:00 CEST 1B 24.4 16.4 23.3 12.7
2025-09-07 23:00 - 02:00 CEST 1B 18.6 17.1 22.8 13.5
2025-09-08 00:00 - 03:00 CEST 1B 14.2 17.0 22.1 13.8
2025-09-08 01:00 - 04:00 CEST 1B 13.6 17.0 18.9 13.9
2025-09-08 02:00 - 05:00 CEST 1B 14.4 18.0 16.7 14.6
2025-09-08 03:00 - 06:00 CEST 1B 17.5 19.8 16.8 16.1
2025-09-08 04:00 - 07:00 CEST 1B 22.9 23.6 17.0 19.6
2025-09-08 05:00 - 08:00 CEST 1B 26.7 30.4 15.1 25.5
2025-09-08 06:00 - 09:00 CEST 1B 31.4 32.4 13.5 27.0
2025-09-08 07:00 - 10:00 CEST 1B 33.1 32.6 14.6 26.7
2025-09-08 08:00 - 11:00 CEST 1B 31.8 30.2 17.6 24.5
2025-09-08 09:00 - 12:00 CEST 2A 31.0 30.1 22.3 24.1
2025-09-08 10:00 - 13:00 CEST 2A 28.1 29.3 26.8 23.1
2025-09-08 11:00 - 14:00 CEST 2A 27.0 28.6 32.3 22.1
2025-09-08 12:00 - 15:00 CEST 2A 28.7 28.9 36.8 22.1
2025-09-08 13:00 - 16:00 CEST 2A 33.5 29.2 41.8 20.9
2025-09-08 14:00 - 17:00 CEST 2A 40.7 28.1 47.8 18.8
2025-09-08 15:00 - 18:00 CEST 2A 42.6 25.4 57.6 16.0

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