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ISKO
Information about air quality in the Czech Republic
Current overview of data from automated stations (non-verified data)

Updated: 2026-06-15 07:27 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
2026-06-14 05:00 - 08:00 CEST 1B 12.7 11.4 40.7 5.3
2026-06-14 06:00 - 09:00 CEST 1B 10.2 10.5 43.7 4.4
2026-06-14 07:00 - 10:00 CEST 1B 9.1 9.7 47.4 3.9
2026-06-14 08:00 - 11:00 CEST 1B 10.9 9.1 55.5 3.7
2026-06-14 09:00 - 12:00 CEST 2A 12.4 9.3 62.7 3.8
2026-06-14 10:00 - 13:00 CEST 2A 12.2 9.6 68.4 4.0
2026-06-14 11:00 - 14:00 CEST 2A 10.8 9.5 69.5 4.2
2026-06-14 12:00 - 15:00 CEST 2A 9.6 8.8 71.9 3.6
2026-06-14 13:00 - 16:00 CEST 2A 10.7 7.7 73.4 2.6
2026-06-14 14:00 - 17:00 CEST 2A 11.5 6.5 75.1 1.4
2026-06-14 15:00 - 18:00 CEST 2A 13.4 5.7 75.4 1.0
2026-06-14 16:00 - 19:00 CEST 2A 14.0 5.9 76.5 1.4
2026-06-14 17:00 - 20:00 CEST 2A 14.4 6.3 76.1 1.9
2026-06-14 18:00 - 21:00 CEST 2A 14.6 7.0 74.6 2.4
2026-06-14 19:00 - 22:00 CEST 2A 14.8 7.3 69.0 2.6
2026-06-14 20:00 - 23:00 CEST 1B 17.0 6.8 60.6 2.6
2026-06-14 21:00 - 00:00 CEST 1B 19.5 6.5 50.7 2.9
2026-06-14 22:00 - 01:00 CEST 1B 17.2 6.0 46.1 2.8
2026-06-14 23:00 - 02:00 CEST 1B 14.4 6.0 45.6 2.8
2026-06-15 00:00 - 03:00 CEST 1B 9.8 5.7 49.8 2.5
2026-06-15 01:00 - 04:00 CEST 1B 7.8 5.3 51.0 2.4
2026-06-15 02:00 - 05:00 CEST 1B 7.9 6.3 52.4 2.5
2026-06-15 03:00 - 06:00 CEST 1B 9.9 6.6 52.8 2.5
2026-06-15 04:00 - 07:00 CEST 1B 14.1 7.3 53.4 2.7

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