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: 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
2026-05-23 15:00 - 18:00 CEST 2A 1.8 1.7 7.2 97.8 7.4
2026-05-23 16:00 - 19:00 CEST 2A 2.4 2.2 10.7 101.9 7.6
2026-05-23 17:00 - 20:00 CEST 2A 2.9 2.7 9.9 103.9 7.9
2026-05-23 18:00 - 21:00 CEST 2A 2.9 3.8 10.2 100.5 8.0
2026-05-23 19:00 - 22:00 CEST 2B 2.3 5.0 14.2 97.3 8.4
2026-05-23 20:00 - 23:00 CEST 2B 1.9 5.8 16.9 94.0 8.6
2026-05-23 21:00 - 00:00 CEST 2B 1.3 5.9 22.4 92.9 7.5
2026-05-23 22:00 - 01:00 CEST 2A 2.4 7.1 19.0 84.3 6.9
2026-05-23 23:00 - 02:00 CEST 2A 2.9 7.5 24.3 78.5 9.0
2026-05-24 00:00 - 03:00 CEST 2A 3.4 8.3 21.7 66.1 8.1
2026-05-24 01:00 - 04:00 CEST 2A 3.2 7.8 21.2 64.3 14.5
2026-05-24 02:00 - 05:00 CEST 2A 3.1 7.8 19.3 60.8 15.7
2026-05-24 03:00 - 06:00 CEST 2A 3.1 7.6 18.7 57.3 16.6
2026-05-24 04:00 - 07:00 CEST 2A 3.1 7.7 19.9 53.5 12.7
2026-05-24 05:00 - 08:00 CEST 1B 2.8 7.2 14.2 55.2 10.6
2026-05-24 06:00 - 09:00 CEST 1B 2.3 6.8 10.7 57.9 9.6
2026-05-24 07:00 - 10:00 CEST 1B 2.2 6.5 6.3 65.3 6.2
2026-05-24 08:00 - 11:00 CEST 2A 1.8 5.6 3.8 75.8 4.9
2026-05-24 09:00 - 12:00 CEST 2A 1.8 4.5 2.5 88.7 3.9
2026-05-24 10:00 - 13:00 CEST 2A 1.8 3.2 2.4 96.6 3.7
2026-05-24 11:00 - 14:00 CEST 2A 1.8 2.7 2.9 99.8 3.2
2026-05-24 12:00 - 15:00 CEST 2A 1.8 2.3 3.4 99.4 4.7
2026-05-24 13:00 - 16:00 CEST 2A 1.8 2.0 6.6 99.8 5.3
2026-05-24 14:00 - 17:00 CEST 2A 1.8 2.0 10.0 100.6 5.5

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