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

Updated: 2025-04-07 00:25 CEST


Basic data Locality photo
Locality: Praha 5-Stodulky
Code: ASTOA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 50° 2´ 46.072" North latitude 14° 19´ 53.088" East longitude
Altitude: 309 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 PM₂.₅
3h average 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 µg∙m⁻³
2025-04-05 22:00 - 01:00 CEST 2A 14.5 79.6 8.2
2025-04-05 23:00 - 02:00 CEST 2A 14.8 77.6 10.8
2025-04-06 00:00 - 03:00 CEST 2A 13.4 77.3 13.5
2025-04-06 01:00 - 04:00 CEST 2A 12.6 77.9 10.8
2025-04-06 02:00 - 05:00 CEST 2A 8.6 78.0 10.8
2025-04-06 03:00 - 06:00 CEST 2A 7.8 75.9 9.4
2025-04-06 04:00 - 07:00 CEST 2A 7.8 73.7 8.8
2025-04-06 05:00 - 08:00 CEST 2A 7.6 73.0 7.1
2025-04-06 06:00 - 09:00 CEST 2A 9.5 75.3 6.6
2025-04-06 07:00 - 10:00 CEST 2A 13.1 78.7 6.2
2025-04-06 08:00 - 11:00 CEST 2A 16.3 81.9 6.7
2025-04-06 09:00 - 12:00 CEST 2A 13.8 84.2 6.5
2025-04-06 10:00 - 13:00 CEST 2A 11.1 86.2 8.5
2025-04-06 11:00 - 14:00 CEST 2A 8.8 88.7 6.8
2025-04-06 12:00 - 15:00 CEST 2A 8.5 90.3 5.9
2025-04-06 13:00 - 16:00 CEST 2A 6.7 90.7 3.8
2025-04-06 14:00 - 17:00 CEST 2A 5.6 89.7 2.9
2025-04-06 15:00 - 18:00 CEST 2A 4.9 88.9 2.3
2025-04-06 16:00 - 19:00 CEST 2A 4.5 88.5 2.7
2025-04-06 17:00 - 20:00 CEST 7.3 4.0
2025-04-06 18:00 - 21:00 CEST 8.6 5.1
2025-04-06 19:00 - 22:00 CEST 9.1 5.0
2025-04-06 20:00 - 23:00 CEST 1B 7.8 63.3 4.1
2025-04-06 21:00 - 00:00 CEST 1B 7.6 67.6 3.7

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