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: 2025-12-14 23:26 CET


Basic data
Locality: Ostrava-Nova Ves-areal OVak
Code: TONVA
Type of measuring programme: Automated measuring program
Locality owner: ZU, MSK
Classification
Abbreviation: T/U/IAN
Localization
Coordinates: 49° 49´ 26.693" North latitude 18° 14´ 5.796" East longitude
Altitude: 210 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
2025-12-13 21:00 - 00:00 CET 1A 11.9 9.3 22.8 8.3
2025-12-13 22:00 - 01:00 CET 1A 10.9 9.3 23.6 8.3
2025-12-13 23:00 - 02:00 CET 1A 10.2 9.7 23.7 8.7
2025-12-14 00:00 - 03:00 CET 1A 9.4 10.0 22.8 9.0
2025-12-14 01:00 - 04:00 CET 1A 8.7 9.7 22.1 9.0
2025-12-14 02:00 - 05:00 CET 1A 8.7 9.7 21.0 9.0
2025-12-14 03:00 - 06:00 CET 1A 10.0 10.0 19.0 9.3
2025-12-14 04:00 - 07:00 CET 1A 10.9 10.7 17.4 9.7
2025-12-14 05:00 - 08:00 CET 1A 11.2 12.0 16.0 11.0
2025-12-14 06:00 - 09:00 CET 1A 11.5 13.7 15.4 12.7
2025-12-14 07:00 - 10:00 CET 1A 12.4 16.0 14.6 15.0
2025-12-14 08:00 - 11:00 CET 1A 14.1 17.3 14.4 15.7
2025-12-14 09:00 - 12:00 CET 1A 15.4 18.0 15.3 15.7
2025-12-14 10:00 - 13:00 CET 1A 16.1 17.3 17.1 14.3
2025-12-14 11:00 - 14:00 CET 1A 15.6 16.0 18.9 13.7
2025-12-14 12:00 - 15:00 CET 1A 15.5 15.0 20.1 13.0
2025-12-14 13:00 - 16:00 CET 1A 16.2 14.3 21.2 13.0
2025-12-14 14:00 - 17:00 CET 1A 18.1 15.0 22.9 13.0
2025-12-14 15:00 - 18:00 CET 1A 18.2 13.7 25.9 11.7
2025-12-14 16:00 - 19:00 CET 1A 16.9 12.7 28.2 10.3
2025-12-14 17:00 - 20:00 CET 1A 13.9 11.0 29.0 9.3
2025-12-14 18:00 - 21:00 CET 1A 11.4 11.3 28.3 10.0
2025-12-14 19:00 - 22:00 CET 1A 9.6 11.7 27.9 11.0
2025-12-14 20:00 - 23:00 CET 1A 7.2 12.0 28.6 11.3

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