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: 2025-04-03 01:25 CEST


Basic data Locality photo
Locality: Chomutov
Code: UCHMA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 50° 28´ 3.105" North latitude 13° 24´ 45.705" East longitude
Altitude: 344 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
2025-04-01 23:00 - 02:00 CEST 2A 10.7 69.9
2025-04-02 00:00 - 03:00 CEST 2A 10.4 68.7
2025-04-02 01:00 - 04:00 CEST 2A 10.3 69.0
2025-04-02 02:00 - 05:00 CEST 2A 9.9 67.1
2025-04-02 03:00 - 06:00 CEST 1B 9.8 65.2
2025-04-02 04:00 - 07:00 CEST 1B 9.2 60.4
2025-04-02 05:00 - 08:00 CEST 1B 9.0 54.1
2025-04-02 06:00 - 09:00 CEST 1B 15.8 49.0
2025-04-02 07:00 - 10:00 CEST 1B 18.8 48.3
2025-04-02 08:00 - 11:00 CEST 2A 24.7 51.2
2025-04-02 09:00 - 12:00 CEST 2A 26.4 58.0
2025-04-02 10:00 - 13:00 CEST 2A 25.0 69.3
2025-04-02 11:00 - 14:00 CEST 2A 19.5 80.5
2025-04-02 12:00 - 15:00 CEST 2A 15.9 87.9
2025-04-02 13:00 - 16:00 CEST 2A 16.4 90.9
2025-04-02 14:00 - 17:00 CEST 2B 20.8 92.5
2025-04-02 15:00 - 18:00 CEST 2A 18.7 92.0
2025-04-02 16:00 - 19:00 CEST 2A 18.9 89.1
2025-04-02 17:00 - 20:00 CEST 2A 17.9 84.3
2025-04-02 18:00 - 21:00 CEST 2A 20.0 79.3
2025-04-02 19:00 - 22:00 CEST 2A 19.8 68.3
2025-04-02 20:00 - 23:00 CEST 2A 23.2 58.9
2025-04-02 21:00 - 00:00 CEST 2A 22.9 51.6
2025-04-02 22:00 - 01:00 CEST 2A 26.6 51.2

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