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

Updated: 2025-12-16 18:26 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
2025-12-15 16:00 - 19:00 CET 1A 23.7 18.6 10.4
2025-12-15 17:00 - 20:00 CET 1A 20.6 17.8 12.4
2025-12-15 18:00 - 21:00 CET 1A 17.7 17.3 13.2
2025-12-15 19:00 - 22:00 CET 1A 16.4 16.1 14.1
2025-12-15 20:00 - 23:00 CET 1A 15.2 13.1 14.4
2025-12-15 21:00 - 00:00 CET 1A 14.7 12.7 14.8
2025-12-15 22:00 - 01:00 CET 1A 14.5 15.1 14.6
2025-12-15 23:00 - 02:00 CET 1A 13.4 19.2 14.6
2025-12-16 00:00 - 03:00 CET 1A 11.9 20.1 17.3
2025-12-16 01:00 - 04:00 CET 1A 10.2 15.8 21.0
2025-12-16 02:00 - 05:00 CET 1A 9.5 10.9 21.1
2025-12-16 03:00 - 06:00 CET 1A 9.6 7.2 21.0
2025-12-16 04:00 - 07:00 CET 1A 11.4 5.3 19.5
2025-12-16 05:00 - 08:00 CET 1A 15.3 6.0 16.6
2025-12-16 06:00 - 09:00 CET 1A 19.5 6.4 13.5
2025-12-16 07:00 - 10:00 CET 1A 23.1 7.0 11.7
2025-12-16 08:00 - 11:00 CET 1A 24.1 8.6 11.7
2025-12-16 09:00 - 12:00 CET 1A 24.4 8.8 12.6
2025-12-16 10:00 - 13:00 CET 1A 23.4 9.3 13.9
2025-12-16 11:00 - 14:00 CET 1A 22.7 9.3 14.4
2025-12-16 12:00 - 15:00 CET 1A 23.2 14.0 15.0
2025-12-16 13:00 - 16:00 CET 1A 23.3 15.8 15.0
2025-12-16 14:00 - 17:00 CET 1A 24.1 13.5 15.4
2025-12-16 15:00 - 18:00 CET 1A 23.7 13.8 14.6

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