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: 2025-12-05 06:26 CET


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
2025-12-04 04:00 - 07:00 CET 1A 31.6 9.6 20.1 8.4
2025-12-04 05:00 - 08:00 CET 1A 43.3 10.7 19.0 9.2
2025-12-04 06:00 - 09:00 CET 1B 45.5 10.6 18.9 9.1
2025-12-04 07:00 - 10:00 CET 1A 35.8 9.9 18.6 8.4
2025-12-04 08:00 - 11:00 CET 1A 22.4 8.6 20.4 7.2
2025-12-04 09:00 - 12:00 CET 1A 10.1 9.5 23.4 6.5
2025-12-04 10:00 - 13:00 CET 1A 4.8 10.0 26.7 5.9
2025-12-04 11:00 - 14:00 CET 1A 4.1 12.5 28.9 6.1
2025-12-04 12:00 - 15:00 CET 1A 2.8 11.9 31.4 6.5
2025-12-04 13:00 - 16:00 CET 1A 5.4 14.7 32.2 8.5
2025-12-04 14:00 - 17:00 CET 1A 13.9 16.5 30.6 11.3
2025-12-04 15:00 - 18:00 CET 1B 26.2 21.5 27.1 16.5
2025-12-04 16:00 - 19:00 CET 1B 36.0 24.4 23.6 21.0
2025-12-04 17:00 - 20:00 CET 1B 38.5 29.7 21.0 27.1
2025-12-04 18:00 - 21:00 CET 1B 36.6 36.4 19.9 34.3
2025-12-04 19:00 - 22:00 CET 2A 34.1 46.2 19.6 44.2
2025-12-04 20:00 - 23:00 CET 2A 31.1 47.1 21.4 45.4
2025-12-04 21:00 - 00:00 CET 1B 26.4 42.4 22.7 40.9
2025-12-04 22:00 - 01:00 CET 1B 23.3 34.9 23.6 33.6
2025-12-04 23:00 - 02:00 CET 1A 12.9 22.8 24.4 21.9
2025-12-05 00:00 - 03:00 CET 1A 7.4 14.6 26.3 13.8
2025-12-05 01:00 - 04:00 CET 1A 8.0 14.3 23.2 13.2
2025-12-05 02:00 - 05:00 CET 1A 9.7 14.2 20.7 12.6
2025-12-05 03:00 - 06:00 CET 1A 10.7 14.6 20.1 12.6

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