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

Updated: 2026-05-24 17:25 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
2026-05-23 15:00 - 18:00 CEST 2A 4.2 9.7 103.5 11.1
2026-05-23 16:00 - 19:00 CEST 2A 4.7 6.3 102.5 6.9
2026-05-23 17:00 - 20:00 CEST 2A 5.9 8.3 101.1 4.1
2026-05-23 18:00 - 21:00 CEST 2A 8.3 9.1 97.2 2.5
2026-05-23 19:00 - 22:00 CEST 2A 14.4 12.8 87.3 9.3
2026-05-23 20:00 - 23:00 CEST 2A 19.0 16.6 77.7 16.6
2026-05-23 21:00 - 00:00 CEST 2A 21.1 21.2 65.0 25.9
2026-05-23 22:00 - 01:00 CEST 2A 19.1 23.7 57.0 22.9
2026-05-23 23:00 - 02:00 CEST 2A 16.2 20.7 50.6 18.7
2026-05-24 00:00 - 03:00 CEST 2A 14.2 21.5 46.1 14.0
2026-05-24 01:00 - 04:00 CEST 1B 12.9 19.6 38.2 17.8
2026-05-24 02:00 - 05:00 CEST 1B 14.6 22.0 32.9 20.4
2026-05-24 03:00 - 06:00 CEST 1B 15.4 26.2 27.0 20.0
2026-05-24 04:00 - 07:00 CEST 1B 14.3 30.4 28.0 21.3
2026-05-24 05:00 - 08:00 CEST 2A 12.4 30.1 34.0 20.5
2026-05-24 06:00 - 09:00 CEST 2A 10.3 28.5 43.7 22.3
2026-05-24 07:00 - 10:00 CEST 2A 8.8 25.7 59.5 15.2
2026-05-24 08:00 - 11:00 CEST 2A 7.4 26.4 74.0 11.2
2026-05-24 09:00 - 12:00 CEST 2A 5.1 21.3 86.1 6.3
2026-05-24 10:00 - 13:00 CEST 2B 3.8 19.3 92.4 4.5
2026-05-24 11:00 - 14:00 CEST 2B 3.4 14.1 102.1 4.4
2026-05-24 12:00 - 15:00 CEST 2B 3.5 12.1 108.9 7.0
2026-05-24 13:00 - 16:00 CEST 2B 4.0 10.0 110.3 8.7
2026-05-24 14:00 - 17:00 CEST 2B 4.3 11.6 108.4 8.8

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