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

Updated: 2025-03-30 18:25 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
2025-03-29 15:00 - 18:00 CET 1B 23.7 37.9 69.0
2025-03-29 16:00 - 19:00 CET 1B 22.9 37.1 64.0
2025-03-29 17:00 - 20:00 CET 1B 22.7 39.1 60.5
2025-03-29 18:00 - 21:00 CET 1B 22.9 37.0 59.3
2025-03-29 19:00 - 22:00 CET 1B 22.0 35.5 57.0
2025-03-29 20:00 - 23:00 CET 1B 21.4 28.2 56.7
2025-03-29 21:00 - 00:00 CET 1B 19.8 26.5 56.2
2025-03-29 22:00 - 01:00 CET 1B 18.9 24.8 58.5
2025-03-29 23:00 CET - 03:00 CEST 1A 17.2 22.6 59.6
2025-03-30 00:00 CET - 04:00 CEST 1A 16.3 16.3 62.0
2025-03-30 01:00 CET - 05:00 CEST 1A 16.2 9.4 62.9
2025-03-30 03:00 - 06:00 CEST 1A 17.1 12.0 61.6
2025-03-30 04:00 - 07:00 CEST 1A 17.7 13.8 57.4
2025-03-30 05:00 - 08:00 CEST 1A 18.8 15.5 53.5
2025-03-30 06:00 - 09:00 CEST 1A 17.8 12.5 53.4
2025-03-30 07:00 - 10:00 CEST 1A 15.4 15.0 60.3
2025-03-30 08:00 - 11:00 CEST 1A 12.2 14.8 69.5
2025-03-30 09:00 - 12:00 CEST 1A 10.3 12.5 78.3
2025-03-30 10:00 - 13:00 CEST 1A 9.4 10.3 82.2
2025-03-30 11:00 - 14:00 CEST 1A 8.9 14.4 86.4
2025-03-30 12:00 - 15:00 CEST 1A 8.9 16.9 88.8
2025-03-30 13:00 - 16:00 CEST 1A 10.0 14.8 90.5
2025-03-30 14:00 - 17:00 CEST 1A 11.9 8.5 87.3
2025-03-30 15:00 - 18:00 CEST 1A 12.8 5.4 81.9

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