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: Trutnov - Tkalcovska
Code: HTRTA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 50° 33´ 57.167" North latitude 15° 54´ 14.137" East longitude
Altitude: 432 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
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
2026-05-23 15:00 - 18:00 CEST 2B 13.6 103.9
2026-05-23 16:00 - 19:00 CEST 2B 14.5 103.4
2026-05-23 17:00 - 20:00 CEST 2A 12.2 103.1
2026-05-23 18:00 - 21:00 CEST 2A 12.7 100.1
2026-05-23 19:00 - 22:00 CEST 2A 11.1 91.3
2026-05-23 20:00 - 23:00 CEST 2A 10.2 80.2
2026-05-23 21:00 - 00:00 CEST 2A 7.6 71.2
2026-05-23 22:00 - 01:00 CEST 2A 17.0 69.3
2026-05-23 23:00 - 02:00 CEST 2A 22.4 63.6
2026-05-24 00:00 - 03:00 CEST 2A 23.8 60.1
2026-05-24 01:00 - 04:00 CEST 1B 14.2 54.3
2026-05-24 02:00 - 05:00 CEST 1B 12.6 54.6
2026-05-24 03:00 - 06:00 CEST 1B 13.8 49.1
2026-05-24 04:00 - 07:00 CEST 1B 19.0 47.9
2026-05-24 05:00 - 08:00 CEST 1B 19.4 46.1
2026-05-24 06:00 - 09:00 CEST 1B 21.8 49.9
2026-05-24 07:00 - 10:00 CEST 2A 21.7 61.6
2026-05-24 08:00 - 11:00 CEST 2A 19.9 77.8
2026-05-24 09:00 - 12:00 CEST 2A 19.1 93.3
2026-05-24 10:00 - 13:00 CEST 2B 19.0 104.3
2026-05-24 11:00 - 14:00 CEST 2B 23.7 111.0
2026-05-24 12:00 - 15:00 CEST 2B 22.5 113.9
2026-05-24 13:00 - 16:00 CEST 2B 18.3 113.9
2026-05-24 14:00 - 17:00 CEST 2B 17.8 113.4

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