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

Updated: 2025-07-04 16:26 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
2025-07-03 14:00 - 17:00 CEST 2B 30.5 43.5 129.0 18.4
2025-07-03 15:00 - 18:00 CEST 2B 24.5 46.5 125.1 20.7
2025-07-03 16:00 - 19:00 CEST 3A 21.0 41.8 119.5 19.5
2025-07-03 17:00 - 20:00 CEST 2B 22.7 35.7 117.9 16.4
2025-07-03 18:00 - 21:00 CEST 2B 19.9 34.6 111.3 15.0
2025-07-03 19:00 - 22:00 CEST 2B 18.3 32.7 102.7 13.6
2025-07-03 20:00 - 23:00 CEST 2B 13.9 28.9 91.2 12.2
2025-07-03 21:00 - 00:00 CEST 2B 13.9 23.8 81.9 11.7
2025-07-03 22:00 - 01:00 CEST 2A 13.7 19.2 73.7 10.9
2025-07-03 23:00 - 02:00 CEST 2A 13.0 16.2 69.0 10.2
2025-07-04 00:00 - 03:00 CEST 2A 12.5 13.4 62.9 8.5
2025-07-04 01:00 - 04:00 CEST 2A 12.2 11.3 60.6 7.2
2025-07-04 02:00 - 05:00 CEST 2A 13.6 9.8 60.1 6.2
2025-07-04 03:00 - 06:00 CEST 2A 17.7 10.5 57.4 6.5
2025-07-04 04:00 - 07:00 CEST 2A 23.4 12.7 50.9 7.5
2025-07-04 05:00 - 08:00 CEST 2A 30.2 15.3 42.9 9.4
2025-07-04 06:00 - 09:00 CEST 1B 30.5 15.3 41.3 9.9
2025-07-04 07:00 - 10:00 CEST 2A 24.5 12.8 49.5 8.4
2025-07-04 08:00 - 11:00 CEST 2A 20.7 10.8 63.4 6.1
2025-07-04 09:00 - 12:00 CEST 2A 18.7 9.5 73.1 4.5
2025-07-04 10:00 - 13:00 CEST 2A 20.2 9.6 78.5 4.2
2025-07-04 11:00 - 14:00 CEST 2A 18.4 9.1 84.6 4.2
2025-07-04 12:00 - 15:00 CEST 2A 20.5 10.4 91.3 5.2
2025-07-04 13:00 - 16:00 CEST 2B 24.3 13.2 95.4 7.1

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