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

Updated: 2025-07-13 21:24 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
2025-07-12 19:00 - 22:00 CEST 1B 15.2 9.0 34.1
2025-07-12 20:00 - 23:00 CEST 1B 17.2 11.4 35.0
2025-07-12 21:00 - 00:00 CEST 1B 17.2 12.5 36.7
2025-07-12 22:00 - 01:00 CEST 1B 16.3 11.5 36.3
2025-07-12 23:00 - 02:00 CEST 1B 12.9 9.9 34.2
2025-07-13 00:00 - 03:00 CEST 1B 10.5 6.8 32.8
2025-07-13 01:00 - 04:00 CEST 1B 9.4 6.3 32.5
2025-07-13 02:00 - 05:00 CEST 1B 8.6 10.4 30.7
2025-07-13 03:00 - 06:00 CEST 1B 8.5 15.2 30.1
2025-07-13 04:00 - 07:00 CEST 1B 8.4 20.8 28.9
2025-07-13 05:00 - 08:00 CEST 1B 8.7 18.5 28.6
2025-07-13 06:00 - 09:00 CEST 1B 9.2 14.7 28.4
2025-07-13 07:00 - 10:00 CEST 1B 10.9 14.4 27.2
2025-07-13 08:00 - 11:00 CEST 1B 13.9 17.0 27.7
2025-07-13 09:00 - 12:00 CEST 1B 16.5 22.4 30.8
2025-07-13 10:00 - 13:00 CEST 1B 15.6 19.9 43.2
2025-07-13 11:00 - 14:00 CEST 2A 14.0 15.5 61.9
2025-07-13 12:00 - 15:00 CEST 2A 8.8 10.9 80.1
2025-07-13 13:00 - 16:00 CEST 2A 7.1 11.3 91.1
2025-07-13 14:00 - 17:00 CEST 2A 7.0 11.6 93.4
2025-07-13 15:00 - 18:00 CEST 2A 7.0 9.9 94.7
2025-07-13 16:00 - 19:00 CEST 2A 7.2 5.9 94.6
2025-07-13 17:00 - 20:00 CEST 2A 8.1 3.7 94.2
2025-07-13 18:00 - 21:00 CEST 2A 11.7 3.6 87.7

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