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: Roznov pod Radhostem
Code: ZROZA
Type of measuring programme: Automated measuring program
Locality owner: MU Roznov pos Radhostem
Classification
Abbreviation: T/U/RI
Localization
Coordinates: 49° 27´ 36.395" North latitude 18° 8´ 17.598" East longitude
Altitude: 374 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 1A 10.3 18.3 14.0
2026-04-03 17:00 - 20:00 CEST 1A 15.2 21.1 16.1
2026-04-03 18:00 - 21:00 CEST 1B 17.9 30.3 24.1
2026-04-03 19:00 - 22:00 CEST 1B 16.5 36.0 29.6
2026-04-03 20:00 - 23:00 CEST 1B 13.8 42.3 36.1
2026-04-03 21:00 - 00:00 CEST 1B 11.5 40.8 36.2
2026-04-03 22:00 - 01:00 CEST 1B 10.6 40.6 37.0
2026-04-03 23:00 - 02:00 CEST 1B 9.4 39.1 36.1
2026-04-04 00:00 - 03:00 CEST 1B 8.2 32.7 29.3
2026-04-04 01:00 - 04:00 CEST 1A 6.8 27.0 24.1
2026-04-04 02:00 - 05:00 CEST 1A 6.7 25.7 23.1
2026-04-04 03:00 - 06:00 CEST 1A 7.2 24.3 22.0
2026-04-04 04:00 - 07:00 CEST 1A 9.1 24.9 22.1
2026-04-04 05:00 - 08:00 CEST 1B 12.1 26.1 22.3
2026-04-04 06:00 - 09:00 CEST 1B 13.5 26.4 21.7
2026-04-04 07:00 - 10:00 CEST 1B 15.4 25.9 19.8
2026-04-04 08:00 - 11:00 CEST 1A 14.9 23.2 16.2
2026-04-04 09:00 - 12:00 CEST 1A 16.7 19.9 13.4
2026-04-04 10:00 - 13:00 CEST 1A 17.7 20.1 12.3
2026-04-04 11:00 - 14:00 CEST 1A 17.6 20.1 12.2
2026-04-04 12:00 - 15:00 CEST 1A 16.3 21.2 12.0
2026-04-04 13:00 - 16:00 CEST 1A 14.4 19.9 11.4
2026-04-04 14:00 - 17:00 CEST 1A 14.1 18.7 10.7
2026-04-04 15:00 - 18:00 CEST 1A 13.7 18.2 10.3

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