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

Updated: 2026-05-24 17:25 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
2026-05-23 15:00 - 18:00 CEST 2A 5.0 4.3 98.1 2.1
2026-05-23 16:00 - 19:00 CEST 2A 3.8 4.4 98.6 1.8
2026-05-23 17:00 - 20:00 CEST 2A 5.2 5.4 99.0 2.0
2026-05-23 18:00 - 21:00 CEST 2A 8.8 12.4 95.6 5.8
2026-05-23 19:00 - 22:00 CEST 2A 11.0 18.7 85.3 14.0
2026-05-23 20:00 - 23:00 CEST 2A 12.1 26.6 69.6 18.2
2026-05-23 21:00 - 00:00 CEST 2A 11.1 26.9 56.5 22.5
2026-05-23 22:00 - 01:00 CEST 2A 10.3 27.1 48.9 19.2
2026-05-23 23:00 - 02:00 CEST 2A 9.3 24.6 51.6 17.2
2026-05-24 00:00 - 03:00 CEST 2A 8.1 21.8 52.7 14.6
2026-05-24 01:00 - 04:00 CEST 1B 7.7 25.9 35.8 12.2
2026-05-24 02:00 - 05:00 CEST 2A 7.1 24.2 43.8 15.4
2026-05-24 03:00 - 06:00 CEST 1B 6.9 24.5 41.8 13.6
2026-05-24 04:00 - 07:00 CEST 1B 6.4 16.0 40.9 19.9
2026-05-24 05:00 - 08:00 CEST 1B 7.4 15.6 42.5 20.6
2026-05-24 06:00 - 09:00 CEST 1B 9.0 12.4 47.4 20.9
2026-05-24 07:00 - 10:00 CEST 2A 15.1 11.2 60.4 16.8
2026-05-24 08:00 - 11:00 CEST 2A 15.8 7.9 76.9 12.3
2026-05-24 09:00 - 12:00 CEST 2A 14.4 6.8 93.5 9.3
2026-05-24 10:00 - 13:00 CEST 2A 8.0 5.8 102.8 8.4
2026-05-24 11:00 - 14:00 CEST 2A 6.6 5.2 108.0 9.2
2026-05-24 12:00 - 15:00 CEST 2A 6.6 4.3 106.9 10.4
2026-05-24 13:00 - 16:00 CEST 2B 8.3 9.9 107.2 10.2
2026-05-24 14:00 - 17:00 CEST 2B 20.1 13.6 109.4 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