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: 2025-09-08 18:25 CEST


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
2025-09-07 16:00 - 19:00 CEST 1A 27.6 11.3 8.0
2025-09-07 17:00 - 20:00 CEST 1A 25.3 11.7 8.3
2025-09-07 18:00 - 21:00 CEST 1A 30.7 13.0 9.0
2025-09-07 19:00 - 22:00 CEST 1B 37.8 16.3 10.3
2025-09-07 20:00 - 23:00 CEST 1B 40.8 20.0 11.3
2025-09-07 21:00 - 00:00 CEST 1B 35.2 22.3 12.0
2025-09-07 22:00 - 01:00 CEST 1B 26.8 22.3 12.0
2025-09-07 23:00 - 02:00 CEST 1B 20.6 22.0 12.3
2025-09-08 00:00 - 03:00 CEST 1A 16.8 20.3 12.3
2025-09-08 01:00 - 04:00 CEST 1A 14.6 19.3 12.7
2025-09-08 02:00 - 05:00 CEST 1A 15.1 19.0 13.7
2025-09-08 03:00 - 06:00 CEST 1B 21.1 21.3 16.0
2025-09-08 04:00 - 07:00 CEST 1B 28.9 23.7 18.0
2025-09-08 05:00 - 08:00 CEST 1B 34.8 25.7 19.7
2025-09-08 06:00 - 09:00 CEST 1B 35.4 26.0 19.7
2025-09-08 07:00 - 10:00 CEST 1B 32.3 26.0 20.0
2025-09-08 08:00 - 11:00 CEST 1B 31.7 25.3 19.7
2025-09-08 09:00 - 12:00 CEST 1B 29.5 23.7 19.0
2025-09-08 10:00 - 13:00 CEST 1B 30.1 23.3 18.7
2025-09-08 11:00 - 14:00 CEST 1B 28.2 24.0 19.0
2025-09-08 12:00 - 15:00 CEST 1B 30.9 27.0 21.3
2025-09-08 13:00 - 16:00 CEST 1B 36.4 28.3 21.3
2025-09-08 14:00 - 17:00 CEST 1B 44.5 26.7 19.3
2025-09-08 15:00 - 18:00 CEST 1B 50.9 23.7 16.0

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