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: 2026-04-04 18:25 CEST


Basic data Locality photo
Locality: Tesnovice
Code: ZTNVA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/R/A-REG
Localization
Coordinates: 49° 15´ 33.810" North latitude 17° 24´ 38.018" East longitude
Altitude: 280 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
2026-04-03 16:00 - 19:00 CEST 1B 4.4 3.7 10.9 61.9 4.5
2026-04-03 17:00 - 20:00 CEST 2A 4.6 4.9 12.3 60.5 9.3
2026-04-03 18:00 - 21:00 CEST 1B 4.8 6.0 9.1 58.2 10.3
2026-04-03 19:00 - 22:00 CEST 1B 4.5 6.7 8.7 56.6 12.9
2026-04-03 20:00 - 23:00 CEST 1B 4.7 6.7 11.1 55.7 15.7
2026-04-03 21:00 - 00:00 CEST 1B 4.5 6.8 13.0 55.6 17.0
2026-04-03 22:00 - 01:00 CEST 2A 4.1 6.3 17.3 56.5 16.9
2026-04-03 23:00 - 02:00 CEST 2A 3.5 6.8 18.1 55.9 13.6
2026-04-04 00:00 - 03:00 CEST 2A 3.1 6.9 21.5 54.6 12.3
2026-04-04 01:00 - 04:00 CEST 2A 3.2 6.7 25.3 54.0 13.9
2026-04-04 02:00 - 05:00 CEST 2A 3.3 10.1 24.2 50.5 12.0
2026-04-04 03:00 - 06:00 CEST 2A 3.3 9.2 21.8 50.8 15.2
2026-04-04 04:00 - 07:00 CEST 1B 3.2 9.6 18.5 48.3 12.6
2026-04-04 05:00 - 08:00 CEST 1B 2.5 6.9 17.1 50.5 14.8
2026-04-04 06:00 - 09:00 CEST 1B 1.8 7.1 14.3 49.1 14.3
2026-04-04 07:00 - 10:00 CEST 1B 1.8 6.6 12.6 49.5 14.0
2026-04-04 08:00 - 11:00 CEST 1B 2.6 5.8 14.2 51.4 10.8
2026-04-04 09:00 - 12:00 CEST 1B 3.4 5.0 14.6 53.6 10.5
2026-04-04 10:00 - 13:00 CEST 1B 3.6 4.3 10.7 54.4 10.6
2026-04-04 11:00 - 14:00 CEST 1B 3.5 4.0 10.7 54.0 10.2
2026-04-04 12:00 - 15:00 CEST 1B 3.2 3.7 11.2 53.4 7.7
2026-04-04 13:00 - 16:00 CEST 1B 3.0 3.6 11.0 52.4 7.0
2026-04-04 14:00 - 17:00 CEST 1B 3.1 3.6 9.6 51.2 8.2
2026-04-04 15:00 - 18:00 CEST 1B 2.6 3.6 8.8 50.2 7.0

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