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

Updated: 2025-06-11 02:27 CEST


Basic data Locality photo
Locality: Steti
Code: USTEA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 50° 27´ 14.958" North latitude 14° 22´ 26.986" East longitude
Altitude: 155 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
2025-06-10 00:00 - 03:00 CEST 1B 1.3 12.5 37.5 9.2
2025-06-10 01:00 - 04:00 CEST 1B 1.3 12.3 33.7 9.1
2025-06-10 02:00 - 05:00 CEST 1B 1.3 12.6 26.1 9.2
2025-06-10 03:00 - 06:00 CEST 1A 1.3 12.8 22.1 9.5
2025-06-10 04:00 - 07:00 CEST 1A 1.3 13.5 16.9 9.9
2025-06-10 05:00 - 08:00 CEST 1A 1.3 14.8 20.0 10.6
2025-06-10 06:00 - 09:00 CEST 1B 1.3 15.4 29.5 11.1
2025-06-10 07:00 - 10:00 CEST 1B 1.3 16.4 39.9 11.7
2025-06-10 08:00 - 11:00 CEST 1B 2.1 16.4 48.4 11.7
2025-06-10 09:00 - 12:00 CEST 1B 2.6 17.0 55.0 11.5
2025-06-10 10:00 - 13:00 CEST 2A 3.2 16.9 68.0 11.4
2025-06-10 11:00 - 14:00 CEST 2A 2.9 17.7 83.6 11.9
2025-06-10 12:00 - 15:00 CEST 2B 2.5 18.9 96.3 13.6
2025-06-10 13:00 - 16:00 CEST 2B 1.8 20.3 101.4 15.5
2025-06-10 14:00 - 17:00 CEST 2B 1.3 21.9 100.7 17.1
2025-06-10 15:00 - 18:00 CEST 2B 1.3 23.4 100.5 18.3
2025-06-10 16:00 - 19:00 CEST 2B 1.3 26.0 100.3 20.2
2025-06-10 17:00 - 20:00 CEST 2B 1.3 28.5 101.6 22.7
2025-06-10 18:00 - 21:00 CEST 2B 1.3 30.5 104.4 24.7
2025-06-10 19:00 - 22:00 CEST 2B 1.3 31.1 107.4 25.6
2025-06-10 20:00 - 23:00 CEST 2B 1.3 30.3 106.8 25.3
2025-06-10 21:00 - 00:00 CEST 2B 1.3 28.9 100.5 24.4
2025-06-10 22:00 - 01:00 CEST 2B 1.3 23.9 89.8 20.5
2025-06-10 23:00 - 02:00 CEST 2A 1.3 18.8 79.9 16.0

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