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: 2025-07-20 00:25 CEST


Basic data Locality photo
Locality: Ostrava-Marianske Ho
Code: TOMHK
Type of measuring programme: Combination measuring program
Locality owner: ZU Statutory City of Ostrava
Classification
Abbreviation: B/U/RN
Localization
Coordinates: 49° 49´ 29.495" North latitude 18° 15´ 49.157" East longitude
Altitude: 225 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
2025-07-18 22:00 - 01:00 CEST 1B 5.3 36.0 19.7 22.9 11.7
2025-07-18 23:00 - 02:00 CEST 1B 5.3 21.1 17.3 27.0 12.0
2025-07-19 00:00 - 03:00 CEST 1B 5.3 14.3 17.0 27.2 11.7
2025-07-19 01:00 - 04:00 CEST 1B 5.3 12.7 16.0 25.4 11.0
2025-07-19 02:00 - 05:00 CEST 1B 5.3 12.1 15.0 22.6 10.0
2025-07-19 03:00 - 06:00 CEST 1B 5.3 14.0 15.0 17.2 10.3
2025-07-19 04:00 - 07:00 CEST 1B 5.3 18.6 18.0 11.3 11.7
2025-07-19 05:00 - 08:00 CEST 1B 5.3 18.8 19.0 15.3 12.3
2025-07-19 06:00 - 09:00 CEST 1B 5.3 16.5 18.0 30.9 11.0
2025-07-19 07:00 - 10:00 CEST 1B 5.3 9.0 13.3 54.8 8.3
2025-07-19 08:00 - 11:00 CEST 2A 5.3 5.5 10.3 75.8 6.0
2025-07-19 09:00 - 12:00 CEST 2A 5.3 3.8 8.7 88.7 4.7
2025-07-19 10:00 - 13:00 CEST 2A 5.3 3.8 7.7 95.4 3.7
2025-07-19 11:00 - 14:00 CEST 2A 5.3 3.8 6.7 96.2 3.0
2025-07-19 12:00 - 15:00 CEST 2A 5.3 3.8 6.7 96.7 3.0
2025-07-19 13:00 - 16:00 CEST 2A 5.3 3.8 7.0 98.4 3.3
2025-07-19 14:00 - 17:00 CEST 2A 5.3 3.8 7.7 100.5 3.7
2025-07-19 15:00 - 18:00 CEST 2A 5.3 3.8 8.0 100.5 4.0
2025-07-19 16:00 - 19:00 CEST 2A 5.3 3.8 8.3 99.7 4.0
2025-07-19 17:00 - 20:00 CEST 2A 5.3 3.8 8.7 96.4 4.3
2025-07-19 18:00 - 21:00 CEST 2A 5.3 5.5 9.3 91.4 5.0
2025-07-19 19:00 - 22:00 CEST 2A 5.3 18.2 12.7 73.0 6.3
2025-07-19 20:00 - 23:00 CEST 2A 5.3 38.0 19.7 48.3 8.0
2025-07-19 21:00 - 00:00 CEST 2A 5.3 43.2 21.7 33.3 9.7

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