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

Updated: 2025-08-02 12:25 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
2025-08-01 10:00 - 13:00 CEST 2A 8.8 18.8 58.0
2025-08-01 11:00 - 14:00 CEST 2A 7.7 16.7 65.5
2025-08-01 12:00 - 15:00 CEST 2A 7.5 12.5 72.0
2025-08-01 13:00 - 16:00 CEST 2A 10.6 9.8 69.1
2025-08-01 14:00 - 17:00 CEST 2A 12.8 9.7 63.5
2025-08-01 15:00 - 18:00 CEST 2A 14.9 9.2 60.2
2025-08-01 16:00 - 19:00 CEST 2A 14.4 7.0 64.0
2025-08-01 17:00 - 20:00 CEST 2A 23.4 5.0 64.9
2025-08-01 18:00 - 21:00 CEST 1B 31.5 4.5 55.0
2025-08-01 19:00 - 22:00 CEST 1B 36.2 6.6 39.4
2025-08-01 20:00 - 23:00 CEST 1B 33.8 8.7 31.4
2025-08-01 21:00 - 00:00 CEST 1B 26.9 12.6 32.4
2025-08-01 22:00 - 01:00 CEST 1B 23.3 11.6 36.1
2025-08-01 23:00 - 02:00 CEST 1B 20.5 13.4 35.3
2025-08-02 00:00 - 03:00 CEST 1B 17.3 11.2 33.7
2025-08-02 01:00 - 04:00 CEST 1B 15.9 10.1 29.5
2025-08-02 02:00 - 05:00 CEST 1B 14.8 10.2 25.1
2025-08-02 03:00 - 06:00 CEST 1B 14.4 11.4 23.7
2025-08-02 04:00 - 07:00 CEST 1B 14.6 12.1 21.9
2025-08-02 05:00 - 08:00 CEST 1B 14.6 14.0 21.2
2025-08-02 06:00 - 09:00 CEST 1B 14.8 18.0 24.2
2025-08-02 07:00 - 10:00 CEST 1B 14.5 20.1 30.7
2025-08-02 08:00 - 11:00 CEST 1B 13.7 21.0 38.8
2025-08-02 09:00 - 12:00 CEST 1B 14.3 16.9 46.6

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