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Information about air quality in the Czech Republic
Current overview of data from automated stations (non-verified data)

Updated: 2025-08-02 11:25 CEST


Basic data Locality photo
Locality: Decin
Code: UDCMA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 50° 46´ 26.943" North latitude 14° 13´ 7.658" East longitude
Altitude: 131 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
2025-08-01 09:00 - 12:00 CEST 1B 17.4 15.5 37.0 6.6
2025-08-01 10:00 - 13:00 CEST 1B 16.7 13.7 43.4 5.5
2025-08-01 11:00 - 14:00 CEST 1B 14.4 8.9 53.3 5.2
2025-08-01 12:00 - 15:00 CEST 1B 14.2 5.8 61.4 5.6
2025-08-01 13:00 - 16:00 CEST 2A 11.3 7.8 67.7 4.6
2025-08-01 14:00 - 17:00 CEST 2A 9.7 8.8 71.7 2.9
2025-08-01 15:00 - 18:00 CEST 2A 9.8 9.5 73.7 2.3
2025-08-01 16:00 - 19:00 CEST 2A 9.4 9.0 74.6 1.6
2025-08-01 17:00 - 20:00 CEST 2A 8.3 8.8 71.6 3.8
2025-08-01 18:00 - 21:00 CEST 2A 7.6 9.9 66.8 4.3
2025-08-01 19:00 - 22:00 CEST 1B 10.0 10.4 57.7 8.0
2025-08-01 20:00 - 23:00 CEST 1B 12.2 12.0 49.8 9.0
2025-08-01 21:00 - 00:00 CEST 1B 12.7 16.4 43.4 10.8
2025-08-01 22:00 - 01:00 CEST 1B 10.2 16.2 36.4 10.5
2025-08-01 23:00 - 02:00 CEST 1B 8.8 22.1 32.7 12.9
2025-08-02 00:00 - 03:00 CEST 1B 7.9 20.0 28.3 12.7
2025-08-02 01:00 - 04:00 CEST 1B 6.5 24.6 23.7 11.2
2025-08-02 02:00 - 05:00 CEST 1B 5.8 20.4 20.9 8.0
2025-08-02 03:00 - 06:00 CEST 1B 5.8 18.4 19.0 6.4
2025-08-02 04:00 - 07:00 CEST 1B 7.9 17.1 17.2 10.2
2025-08-02 05:00 - 08:00 CEST 1B 10.8 15.8 19.9 10.8
2025-08-02 06:00 - 09:00 CEST 1B 12.5 19.1 26.2 11.3
2025-08-02 07:00 - 10:00 CEST 1B 12.8 19.8 37.4 10.9
2025-08-02 08:00 - 11:00 CEST 2A 11.7 20.3 51.0 10.6

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