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

Updated: 2025-07-04 17:28 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
2025-07-03 15:00 - 18:00 CEST 2B 17.5 28.0 84.9
2025-07-03 16:00 - 19:00 CEST 2A 16.8 21.7 79.5
2025-07-03 17:00 - 20:00 CEST 2A 15.9 22.2 77.5
2025-07-03 18:00 - 21:00 CEST 2A 15.7 15.6 77.3
2025-07-03 19:00 - 22:00 CEST 2A 15.6 11.9 76.9
2025-07-03 20:00 - 23:00 CEST 2A 16.2 11.7 73.8
2025-07-03 21:00 - 00:00 CEST 2A 16.3 17.4 71.5
2025-07-03 22:00 - 01:00 CEST 2A 14.8 20.8 70.2
2025-07-03 23:00 - 02:00 CEST 2A 14.6 17.7 69.1
2025-07-04 00:00 - 03:00 CEST 2A 15.4 10.5 68.0
2025-07-04 01:00 - 04:00 CEST 2A 16.9 13.1 63.6
2025-07-04 02:00 - 05:00 CEST 2A 16.7 14.1 59.7
2025-07-04 03:00 - 06:00 CEST 2A 16.0 14.9 58.8
2025-07-04 04:00 - 07:00 CEST 2A 15.3 13.0 58.6
2025-07-04 05:00 - 08:00 CEST 2A 15.9 15.5 59.3
2025-07-04 06:00 - 09:00 CEST 2A 16.4 18.7 61.4
2025-07-04 07:00 - 10:00 CEST 2A 17.0 22.2 64.3
2025-07-04 08:00 - 11:00 CEST 2A 15.6 22.9 73.2
2025-07-04 09:00 - 12:00 CEST 2B 14.5 21.1 84.1
2025-07-04 10:00 - 13:00 CEST 2A 13.5 13.8 92.3
2025-07-04 11:00 - 14:00 CEST 2A 13.1 7.3 91.3
2025-07-04 12:00 - 15:00 CEST 2A 12.5 4.5 92.5
2025-07-04 13:00 - 16:00 CEST 2B 10.8 9.3 101.4
2025-07-04 14:00 - 17:00 CEST 2B 9.7 13.0 102.7

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