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: 2025-04-03 00:25 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
2025-04-01 22:00 - 01:00 CEST 1B 22.4 43.0 37.3
2025-04-01 23:00 - 02:00 CEST 1B 14.5 42.0 37.7
2025-04-02 00:00 - 03:00 CEST 1B 11.8 43.3 39.0
2025-04-02 01:00 - 04:00 CEST 1B 10.5 44.7 40.3
2025-04-02 02:00 - 05:00 CEST 1B 12.2 43.3 39.0
2025-04-02 03:00 - 06:00 CEST 1B 17.8 40.3 35.7
2025-04-02 04:00 - 07:00 CEST 1B 24.5 36.0 31.0
2025-04-02 05:00 - 08:00 CEST 1B 29.2 36.0 29.7
2025-04-02 06:00 - 09:00 CEST 1B 27.6 35.3 28.0
2025-04-02 07:00 - 10:00 CEST 1B 23.3 34.0 26.3
2025-04-02 08:00 - 11:00 CEST 1B 20.3 31.7 24.7
2025-04-02 09:00 - 12:00 CEST 1B 20.7 31.0 24.3
2025-04-02 10:00 - 13:00 CEST 1B 22.7 30.3 24.3
2025-04-02 11:00 - 14:00 CEST 1B 23.9 30.0 24.3
2025-04-02 12:00 - 15:00 CEST 1B 26.4 29.3 24.0
2025-04-02 13:00 - 16:00 CEST 1B 28.0 29.3 24.3
2025-04-02 14:00 - 17:00 CEST 1B 33.5 28.3 22.7
2025-04-02 15:00 - 18:00 CEST 1B 29.9 24.0 19.0
2025-04-02 16:00 - 19:00 CEST 1B 26.3 19.3 14.3
2025-04-02 17:00 - 20:00 CEST 1A 18.3 16.0 12.3
2025-04-02 18:00 - 21:00 CEST 1A 16.2 16.3 12.7
2025-04-02 19:00 - 22:00 CEST 1A 19.8 18.3 14.7
2025-04-02 20:00 - 23:00 CEST 1B 21.8 21.7 17.3
2025-04-02 21:00 - 00:00 CEST 1B 20.3 23.3 18.7

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