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

Updated: 2025-05-05 19:25 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
2025-05-04 17:00 - 20:00 CEST 2B 14.5 38.0 83.4
2025-05-04 18:00 - 21:00 CEST 2B 15.9 38.0 79.6
2025-05-04 19:00 - 22:00 CEST 2B 16.8 38.0 75.9
2025-05-04 20:00 - 23:00 CEST 2B 17.6 38.0 73.4
2025-05-04 21:00 - 00:00 CEST 2B 17.8 38.0 69.2
2025-05-04 22:00 - 01:00 CEST 2B 19.1 38.0 63.9
2025-05-04 23:00 - 02:00 CEST 2B 23.7 38.0 55.1
2025-05-05 00:00 - 03:00 CEST 2A 24.7 38.0 50.8
2025-05-05 01:00 - 04:00 CEST 2A 24.4 38.0 37.6
2025-05-05 02:00 - 05:00 CEST 2A 21.2 38.0 28.6
2025-05-05 03:00 - 06:00 CEST 2A 20.5 38.0 31.1
2025-05-05 04:00 - 07:00 CEST 2A 19.8 38.0 34.2
2025-05-05 05:00 - 08:00 CEST 2A 20.0 38.0 36.4
2025-05-05 06:00 - 09:00 CEST 2A 20.4 38.0 40.4
2025-05-05 07:00 - 10:00 CEST 2A 19.2 38.0 46.0
2025-05-05 08:00 - 11:00 CEST 2A 17.0 38.0 55.0
2025-05-05 09:00 - 12:00 CEST 2B 15.5 38.0 62.1
2025-05-05 10:00 - 13:00 CEST 2B 14.5 38.0 68.3
2025-05-05 11:00 - 14:00 CEST 2B 13.7 38.0 71.9
2025-05-05 12:00 - 15:00 CEST 2B 13.7 38.0 72.5
2025-05-05 13:00 - 16:00 CEST 2B 15.3 38.0 71.4
2025-05-05 14:00 - 17:00 CEST 2B 15.8 38.0 69.4
2025-05-05 15:00 - 18:00 CEST 2B 16.1 38.0 67.8
2025-05-05 16:00 - 19:00 CEST 2B 16.8 38.0 66.0

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