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

Updated: 2025-12-05 06:26 CET


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
2025-12-04 04:00 - 07:00 CET 1B 19.7 28.5 1.5
2025-12-04 05:00 - 08:00 CET 1B 23.4 23.0 1.4
2025-12-04 06:00 - 09:00 CET 1B 27.0 24.2 1.0
2025-12-04 07:00 - 10:00 CET 1B 29.4 24.0 1.0
2025-12-04 08:00 - 11:00 CET 1B 32.1 29.3 1.6
2025-12-04 09:00 - 12:00 CET 1B 32.6 32.0 7.0
2025-12-04 10:00 - 13:00 CET 1B 28.8 29.1 12.7
2025-12-04 11:00 - 14:00 CET 1B 27.6 23.2 17.5
2025-12-04 12:00 - 15:00 CET 1B 27.9 21.5 18.2
2025-12-04 13:00 - 16:00 CET 1B 29.9 18.5 18.2
2025-12-04 14:00 - 17:00 CET 1B 28.7 21.8 17.3
2025-12-04 15:00 - 18:00 CET 1B 29.3 18.5 14.9
2025-12-04 16:00 - 19:00 CET 1B 31.2 24.7 10.4
2025-12-04 17:00 - 20:00 CET 1B 35.4 25.2 6.5
2025-12-04 18:00 - 21:00 CET 1B 37.5 30.1 3.9
2025-12-04 19:00 - 22:00 CET 1B 38.7 27.5 3.6
2025-12-04 20:00 - 23:00 CET 1B 37.2 24.1 3.0
2025-12-04 21:00 - 00:00 CET 1B 34.5 24.0 2.1
2025-12-04 22:00 - 01:00 CET 1B 31.7 28.0 1.2
2025-12-04 23:00 - 02:00 CET 1B 29.6 31.6 1.3
2025-12-05 00:00 - 03:00 CET 1B 28.9 29.6 7.8
2025-12-05 01:00 - 04:00 CET 1B 28.4 21.7 9.6
2025-12-05 02:00 - 05:00 CET 1A 27.7 17.9 11.6
2025-12-05 03:00 - 06:00 CET 1A 27.5 14.0 11.1

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