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

Updated: 2026-04-04 18:25 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
2026-04-03 16:00 - 19:00 CEST 2A 7.3 20.4 74.9 17.2
2026-04-03 17:00 - 20:00 CEST 2A 9.1 14.5 71.9 19.8
2026-04-03 18:00 - 21:00 CEST 2A 16.1 17.8 59.3 22.0
2026-04-03 19:00 - 22:00 CEST 2A 21.7 19.4 45.3 22.9
2026-04-03 20:00 - 23:00 CEST 2A 26.8 29.0 30.9 28.0
2026-04-03 21:00 - 00:00 CEST 2A 27.3 30.1 24.1 27.5
2026-04-03 22:00 - 01:00 CEST 2A 26.8 34.1 19.1 30.6
2026-04-03 23:00 - 02:00 CEST 1B 25.2 33.2 17.2 25.7
2026-04-04 00:00 - 03:00 CEST 1B 20.3 31.8 17.1 23.6
2026-04-04 01:00 - 04:00 CEST 1B 17.0 33.4 16.9 25.6
2026-04-04 02:00 - 05:00 CEST 1B 13.6 32.8 15.5 28.4
2026-04-04 03:00 - 06:00 CEST 1B 14.0 33.9 13.5 30.1
2026-04-04 04:00 - 07:00 CEST 1B 15.4 32.2 11.5 27.5
2026-04-04 05:00 - 08:00 CEST 1B 17.2 34.0 10.5 26.6
2026-04-04 06:00 - 09:00 CEST 1B 18.0 36.0 13.1 29.8
2026-04-04 07:00 - 10:00 CEST 2A 15.6 33.7 26.3 30.0
2026-04-04 08:00 - 11:00 CEST 2A 11.0 29.0 43.2 26.5
2026-04-04 09:00 - 12:00 CEST 2A 7.0 23.9 57.0 17.4
2026-04-04 10:00 - 13:00 CEST 2A 3.2 21.1 61.1 10.6
2026-04-04 11:00 - 14:00 CEST 2A 2.6 16.0 62.0 6.3
2026-04-04 12:00 - 15:00 CEST 1B 2.7 9.4 63.5 4.5
2026-04-04 13:00 - 16:00 CEST 1B 3.4 6.3 66.3 3.7
2026-04-04 14:00 - 17:00 CEST 2A 3.6 7.6 70.9 3.6
2026-04-04 15:00 - 18:00 CEST 2A 4.3 8.4 72.9 3.6

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