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: 2026-05-24 17:25 CEST


Basic data Locality photo
Locality: Karvina
Code: TKARA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 49° 51´ 49.666" North latitude 18° 33´ 5.229" East longitude
Altitude: 238 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
2026-05-23 15:00 - 18:00 CEST 2B 1.9 4.9 13.7 102.9 7.3
2026-05-23 16:00 - 19:00 CEST 2B 1.3 5.1 11.9 103.6 8.2
2026-05-23 17:00 - 20:00 CEST 2B 1.3 5.5 16.9 103.4 10.6
2026-05-23 18:00 - 21:00 CEST 2B 1.3 12.2 18.2 99.5 10.5
2026-05-23 19:00 - 22:00 CEST 2B 1.3 16.9 19.3 91.2 11.3
2026-05-23 20:00 - 23:00 CEST 2A 1.3 27.2 14.0 78.9 13.1
2026-05-23 21:00 - 00:00 CEST 2A 1.3 25.9 15.0 65.7 14.2
2026-05-23 22:00 - 01:00 CEST 2A 1.3 22.6 20.3 52.4 16.9
2026-05-23 23:00 - 02:00 CEST 2A 2.8 19.2 31.0 41.4 19.8
2026-05-24 00:00 - 03:00 CEST 2A 6.3 18.4 35.8 33.2 25.7
2026-05-24 01:00 - 04:00 CEST 2A 9.7 19.9 38.4 30.3 29.3
2026-05-24 02:00 - 05:00 CEST 2A 9.2 18.2 36.2 29.7 28.2
2026-05-24 03:00 - 06:00 CEST 2A 6.5 15.6 34.3 27.3 23.5
2026-05-24 04:00 - 07:00 CEST 2A 3.8 12.6 34.3 27.0 22.8
2026-05-24 05:00 - 08:00 CEST 1B 3.7 11.6 29.8 31.9 20.9
2026-05-24 06:00 - 09:00 CEST 2A 4.4 10.7 26.7 43.4 22.5
2026-05-24 07:00 - 10:00 CEST 2A 4.7 9.3 18.8 60.3 17.6
2026-05-24 08:00 - 11:00 CEST 2A 4.3 7.3 14.2 78.5 16.8
2026-05-24 09:00 - 12:00 CEST 2A 2.9 5.7 8.4 92.8 13.3
2026-05-24 10:00 - 13:00 CEST 2A 1.8 4.3 5.3 100.0 10.2
2026-05-24 11:00 - 14:00 CEST 2A 1.3 4.0 5.1 102.5 6.0
2026-05-24 12:00 - 15:00 CEST 2A 1.3 3.6 5.6 106.4 4.1
2026-05-24 13:00 - 16:00 CEST 2B 1.3 3.5 5.7 110.7 3.1
2026-05-24 14:00 - 17:00 CEST 2B 1.3 3.5 6.9 114.4 4.3

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