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-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
2026-05-23 15:00 - 18:00 CEST 2A 5.3 3.8 12.0 99.8 8.0
2026-05-23 16:00 - 19:00 CEST 2B 5.3 3.8 12.3 100.8 8.0
2026-05-23 17:00 - 20:00 CEST 2B 5.3 3.8 13.0 101.2 8.3
2026-05-23 18:00 - 21:00 CEST 2A 5.3 3.8 13.3 97.9 8.7
2026-05-23 19:00 - 22:00 CEST 2A 5.3 5.6 13.7 89.5 9.3
2026-05-23 20:00 - 23:00 CEST 2A 5.3 7.2 14.3 80.0 10.7
2026-05-23 21:00 - 00:00 CEST 2A 5.3 12.1 18.3 65.6 14.0
2026-05-23 22:00 - 01:00 CEST 2A 5.3 20.8 36.0 44.8 30.0
2026-05-23 23:00 - 02:00 CEST 2A 5.3 28.3 51.7 24.1 43.7
2026-05-24 00:00 - 03:00 CEST 2A 5.3 29.7 56.3 14.8 48.3
2026-05-24 01:00 - 04:00 CEST 2A 5.3 23.6 44.3 17.6 38.3
2026-05-24 02:00 - 05:00 CEST 1B 5.3 17.7 32.0 21.0 27.7
2026-05-24 03:00 - 06:00 CEST 1B 5.3 14.1 27.7 20.6 23.7
2026-05-24 04:00 - 07:00 CEST 1B 5.3 12.0 24.7 22.9 20.3
2026-05-24 05:00 - 08:00 CEST 1B 5.3 11.3 22.0 30.3 17.7
2026-05-24 06:00 - 09:00 CEST 1B 8.3 10.8 19.0 42.2 15.0
2026-05-24 07:00 - 10:00 CEST 2A 8.3 10.0 17.0 58.1 12.7
2026-05-24 08:00 - 11:00 CEST 2A 8.3 7.6 16.0 75.1 11.7
2026-05-24 09:00 - 12:00 CEST 2A 5.3 5.3 14.7 89.5 10.3
2026-05-24 10:00 - 13:00 CEST 2A 5.3 3.8 13.0 96.8 9.3
2026-05-24 11:00 - 14:00 CEST 2A 5.3 3.8 11.7 99.5 8.3
2026-05-24 12:00 - 15:00 CEST 2B 5.3 3.8 11.0 104.4 7.7
2026-05-24 13:00 - 16:00 CEST 2B 5.3 3.8 11.3 109.9 7.7
2026-05-24 14:00 - 17:00 CEST 2B 5.3 3.8 13.3 114.0 8.0

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