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: 2025-06-11 01:27 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
2025-06-09 23:00 - 02:00 CEST 1A 14.5 15.3 8.3
2025-06-10 00:00 - 03:00 CEST 1A 10.3 14.3 7.3
2025-06-10 01:00 - 04:00 CEST 1A 9.8 12.7 5.7
2025-06-10 02:00 - 05:00 CEST 1A 10.5 12.3 5.3
2025-06-10 03:00 - 06:00 CEST 1A 15.9 12.7 6.0
2025-06-10 04:00 - 07:00 CEST 1A 20.9 12.0 6.3
2025-06-10 05:00 - 08:00 CEST 1A 26.4 10.7 6.0
2025-06-10 06:00 - 09:00 CEST 1A 31.3 11.0 6.0
2025-06-10 07:00 - 10:00 CEST 1A 35.2 12.3 6.7
2025-06-10 08:00 - 11:00 CEST 1B 38.4 14.3 8.3
2025-06-10 09:00 - 12:00 CEST 1B 36.5 14.6 9.1
2025-06-10 10:00 - 13:00 CEST 1A 32.9 15.0 10.0
2025-06-10 11:00 - 14:00 CEST 1A 27.7 15.4 10.0
2025-06-10 12:00 - 15:00 CEST 1A 25.8 15.3 10.0
2025-06-10 13:00 - 16:00 CEST 1A 26.5 17.3 10.7
2025-06-10 14:00 - 17:00 CEST 1A 26.2 18.7 11.7
2025-06-10 15:00 - 18:00 CEST 1B 26.5 21.7 13.7
2025-06-10 16:00 - 19:00 CEST 1B 22.9 22.0 14.7
2025-06-10 17:00 - 20:00 CEST 1B 21.6 23.3 15.7
2025-06-10 18:00 - 21:00 CEST 1B 20.6 23.0 15.7
2025-06-10 19:00 - 22:00 CEST 1B 25.2 24.0 16.3
2025-06-10 20:00 - 23:00 CEST 1B 26.3 24.3 17.0
2025-06-10 21:00 - 00:00 CEST 1B 28.7 25.0 17.7
2025-06-10 22:00 - 01:00 CEST 1B 21.6 24.3 17.3

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