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: 2025-07-04 16:26 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
2025-07-03 14:00 - 17:00 CEST 2B 23.8 29.6 137.2 11.8
2025-07-03 15:00 - 18:00 CEST 2B 22.6 36.9 134.3 15.7
2025-07-03 16:00 - 19:00 CEST 2B 17.2 42.7 125.4 20.0
2025-07-03 17:00 - 20:00 CEST 3A 9.0 46.5 117.6 22.4
2025-07-03 18:00 - 21:00 CEST 2B 7.1 42.0 110.6 21.2
2025-07-03 19:00 - 22:00 CEST 2B 6.0 37.8 105.8 18.5
2025-07-03 20:00 - 23:00 CEST 2B 3.9 34.7 98.4 16.5
2025-07-03 21:00 - 00:00 CEST 2B 2.2 31.2 90.3 14.8
2025-07-03 22:00 - 01:00 CEST 2A 1.3 26.2 82.9 13.8
2025-07-03 23:00 - 02:00 CEST 2A 1.0 23.5 77.9 13.6
2025-07-04 00:00 - 03:00 CEST 2A 0.8 17.6 71.5 11.6
2025-07-04 01:00 - 04:00 CEST 2A 0.9 14.0 68.1 9.7
2025-07-04 02:00 - 05:00 CEST 2A 1.1 13.7 66.3 9.5
2025-07-04 03:00 - 06:00 CEST 2A 2.0 12.6 64.4 8.6
2025-07-04 04:00 - 07:00 CEST 1B 3.9 12.4 59.9 8.2
2025-07-04 05:00 - 08:00 CEST 1B 7.9 11.9 52.1 8.0
2025-07-04 06:00 - 09:00 CEST 1B 10.4 11.7 53.6 8.4
2025-07-04 07:00 - 10:00 CEST 1B 10.8 11.3 58.5 8.5
2025-07-04 08:00 - 11:00 CEST 2A 8.5 12.1 65.8 8.4
2025-07-04 09:00 - 12:00 CEST 2A 6.7 12.1 72.9 7.6
2025-07-04 10:00 - 13:00 CEST 2A 6.8 12.2 77.1 7.3
2025-07-04 11:00 - 14:00 CEST 2A 5.9 11.3 81.8 6.8
2025-07-04 12:00 - 15:00 CEST 2A 5.5 11.8 86.8 7.3
2025-07-04 13:00 - 16:00 CEST 2A 4.3 11.8 90.5 7.3

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