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: 2026-05-24 17:25 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
2026-05-23 15:00 - 18:00 CEST 2B 25.5 12.7 103.8 7.6
2026-05-23 16:00 - 19:00 CEST 2B 21.7 12.8 104.4 7.8
2026-05-23 17:00 - 20:00 CEST 2B 24.4 13.1 104.8 7.9
2026-05-23 18:00 - 21:00 CEST 2B 25.0 14.5 101.6 8.6
2026-05-23 19:00 - 22:00 CEST 2B 51.0 16.8 95.6 9.7
2026-05-23 20:00 - 23:00 CEST 2B 66.0 19.7 87.3 11.3
2026-05-23 21:00 - 00:00 CEST 2B 53.3 21.2 75.1 12.9
2026-05-23 22:00 - 01:00 CEST 2A 38.8 22.6 57.7 15.2
2026-05-23 23:00 - 02:00 CEST 2A 24.8 23.3 40.9 17.4
2026-05-24 00:00 - 03:00 CEST 1B 23.0 23.7 27.1 18.7
2026-05-24 01:00 - 04:00 CEST 1B 21.8 24.0 24.2 19.4
2026-05-24 02:00 - 05:00 CEST 1B 19.9 24.7 30.2 20.2
2026-05-24 03:00 - 06:00 CEST 1B 19.2 28.1 29.0 23.0
2026-05-24 04:00 - 07:00 CEST 1B 18.4 28.2 28.0 22.9
2026-05-24 05:00 - 08:00 CEST 2A 19.6 27.0 33.7 21.1
2026-05-24 06:00 - 09:00 CEST 2A 21.0 22.1 43.8 16.2
2026-05-24 07:00 - 10:00 CEST 2A 24.0 19.6 60.3 13.2
2026-05-24 08:00 - 11:00 CEST 2A 24.3 17.6 77.5 11.5
2026-05-24 09:00 - 12:00 CEST 2B 23.7 16.2 93.4 10.3
2026-05-24 10:00 - 13:00 CEST 2B 22.6 14.6 102.2 9.1
2026-05-24 11:00 - 14:00 CEST 2B 22.3 12.9 107.2 7.5
2026-05-24 12:00 - 15:00 CEST 2B 22.1 12.0 112.5 7.1
2026-05-24 13:00 - 16:00 CEST 2B 22.0 12.1 117.6 7.1
2026-05-24 14:00 - 17:00 CEST 2B 23.3 13.4 120.7 7.5

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