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: 2025-12-05 06:26 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
2025-12-04 04:00 - 07:00 CET 2B 29.6 80.0 76.7
2025-12-04 05:00 - 08:00 CET 2B 33.8 82.0 76.7
2025-12-04 06:00 - 09:00 CET 2B 38.5 84.3 78.0
2025-12-04 07:00 - 10:00 CET 2B 42.7 88.7 80.7
2025-12-04 08:00 - 11:00 CET 2B 48.7 98.0 88.3
2025-12-04 09:00 - 12:00 CET 2B 55.6 107.0 94.0
2025-12-04 10:00 - 13:00 CET 3A 61.9 114.7 99.3
2025-12-04 11:00 - 14:00 CET 3A 65.7 116.0 97.7
2025-12-04 12:00 - 15:00 CET 3A 66.0 115.3 97.7
2025-12-04 13:00 - 16:00 CET 3A 68.0 115.7 96.7
2025-12-04 14:00 - 17:00 CET 3A 68.3 115.3 99.3
2025-12-04 15:00 - 18:00 CET 3A 71.7 119.3 104.0
2025-12-04 16:00 - 19:00 CET 3A 69.7 121.3 108.3
2025-12-04 17:00 - 20:00 CET 3A 62.9 120.0 108.3
2025-12-04 18:00 - 21:00 CET 3A 52.1 114.3 101.7
2025-12-04 19:00 - 22:00 CET 2B 44.9 100.7 90.3
2025-12-04 20:00 - 23:00 CET 2B 42.5 92.3 83.3
2025-12-04 21:00 - 00:00 CET 2B 41.2 84.7 79.3
2025-12-04 22:00 - 01:00 CET 2B 39.0 83.0 78.0
2025-12-04 23:00 - 02:00 CET 2B 38.2 79.7 75.0
2025-12-05 00:00 - 03:00 CET 2B 37.5 75.0 70.7
2025-12-05 01:00 - 04:00 CET 2A 37.4 69.3 65.7
2025-12-05 02:00 - 05:00 CET 2A 36.8 61.7 58.3
2025-12-05 03:00 - 06:00 CET 2A 38.3 55.3 51.3

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