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ISKO
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: Mlada Boleslav
Code: SMBOA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 50° 25´ 43.126" North latitude 14° 54´ 49.894" East longitude
Altitude: 224 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
2025-08-01 10:00 - 13:00 CEST 1B 7.4 9.9 53.2 3.9
2025-08-01 11:00 - 14:00 CEST 1B 7.0 5.8 57.6 3.0
2025-08-01 12:00 - 15:00 CEST 1B 8.7 4.0 56.3 2.3
2025-08-01 13:00 - 16:00 CEST 1B 9.0 2.5 62.3 2.0
2025-08-01 14:00 - 17:00 CEST 1B 7.8 3.5 67.7 2.0
2025-08-01 15:00 - 18:00 CEST 2A 7.4 4.0 74.9 2.2
2025-08-01 16:00 - 19:00 CEST 2A 8.0 5.5 72.7 2.8
2025-08-01 17:00 - 20:00 CEST 2A 10.4 6.0 68.0 2.9
2025-08-01 18:00 - 21:00 CEST 1B 11.9 8.3 58.4 3.2
2025-08-01 19:00 - 22:00 CEST 1B 19.8 9.0 43.6 3.3
2025-08-01 20:00 - 23:00 CEST 1B 29.9 9.7 23.1 6.3
2025-08-01 21:00 - 00:00 CEST 1B 33.6 12.2 10.3 8.5
2025-08-01 22:00 - 01:00 CEST 1B 30.9 14.4 4.4 12.1
2025-08-01 23:00 - 02:00 CEST 1A 23.2 15.1 5.9 11.3
2025-08-02 00:00 - 03:00 CEST 1A 18.6 12.8 5.2 9.6
2025-08-02 01:00 - 04:00 CEST 1A 14.9 10.6 6.6 6.5
2025-08-02 02:00 - 05:00 CEST 1A 9.2 9.3 6.9 4.7
2025-08-02 03:00 - 06:00 CEST 1A 7.8 7.3 7.3 5.7
2025-08-02 04:00 - 07:00 CEST 1A 9.1 8.3 6.9 5.4
2025-08-02 05:00 - 08:00 CEST 1A 9.6 13.1 11.8 5.6
2025-08-02 06:00 - 09:00 CEST 1B 10.5 18.2 20.1 8.8
2025-08-02 07:00 - 10:00 CEST 1B 11.2 22.6 29.9 10.6
2025-08-02 08:00 - 11:00 CEST 1B 12.2 22.9 37.6 11.6
2025-08-02 09:00 - 12:00 CEST 2A 10.6 21.4 46.9 7.5

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