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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: Praha 1-n. Republiky
Code: AREPA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/C
Localization
Coordinates: 50° 5´ 17.038" North latitude 14° 25´ 45.193" East longitude
Altitude: 190 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
2025-06-10 00:00 - 03:00 CEST 1B 12.2 21.3 43.8
2025-06-10 01:00 - 04:00 CEST 1B 11.2 19.6 40.2
2025-06-10 02:00 - 05:00 CEST 1B 10.1 17.2 35.9
2025-06-10 03:00 - 06:00 CEST 1B 9.8 10.2 35.6
2025-06-10 04:00 - 07:00 CEST 1B 11.9 11.8 34.7
2025-06-10 05:00 - 08:00 CEST 1B 14.9 21.5 36.2
2025-06-10 06:00 - 09:00 CEST 2A 15.8 37.7 40.6
2025-06-10 07:00 - 10:00 CEST 2A 14.2 41.5 50.6
2025-06-10 08:00 - 11:00 CEST 2A 11.5 35.1 60.6
2025-06-10 09:00 - 12:00 CEST 2A 11.7 24.5 71.2
2025-06-10 10:00 - 13:00 CEST 2A 11.3 17.8 81.5
2025-06-10 11:00 - 14:00 CEST 2A 11.2 13.9 89.4
2025-06-10 12:00 - 15:00 CEST 2A 11.1 12.2 95.8
2025-06-10 13:00 - 16:00 CEST 2B 11.7 12.9 98.4
2025-06-10 14:00 - 17:00 CEST 2B 12.8 19.7 101.5
2025-06-10 15:00 - 18:00 CEST 2B 11.7 22.3 102.5
2025-06-10 16:00 - 19:00 CEST 2B 12.8 24.0 102.1
2025-06-10 17:00 - 20:00 CEST 2B 13.0 24.3 101.3
2025-06-10 18:00 - 21:00 CEST 2B 13.3 25.3 106.3
2025-06-10 19:00 - 22:00 CEST 2B 11.7 29.6 110.3
2025-06-10 20:00 - 23:00 CEST 2B 11.9 31.1 110.3
2025-06-10 21:00 - 00:00 CEST 2B 12.6 36.4 104.1
2025-06-10 22:00 - 01:00 CEST 2B 14.2 35.2 98.2
2025-06-10 23:00 - 02:00 CEST 2B 12.3 29.5 92.1

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