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

Updated: 2026-06-15 07:27 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
2026-06-14 05:00 - 08:00 CEST 1B 6.5 14.3 46.1 7.1
2026-06-14 06:00 - 09:00 CEST 1B 4.9 16.2 55.4 7.9
2026-06-14 07:00 - 10:00 CEST 2A 3.6 14.2 64.7 4.6
2026-06-14 08:00 - 11:00 CEST 2A 3.1 12.9 67.5 3.3
2026-06-14 09:00 - 12:00 CEST 2A 3.2 10.3 68.3 2.5
2026-06-14 10:00 - 13:00 CEST 2A 3.3 8.9 70.2 4.1
2026-06-14 11:00 - 14:00 CEST 2A 3.4 8.1 72.2 4.4
2026-06-14 12:00 - 15:00 CEST 2A 3.4 5.8 73.5 4.8
2026-06-14 13:00 - 16:00 CEST 2A 3.4 8.3 73.6 3.2
2026-06-14 14:00 - 17:00 CEST 2A 3.5 9.5 74.5 2.9
2026-06-14 15:00 - 18:00 CEST 2A 3.4 9.9 75.7 3.4
2026-06-14 16:00 - 19:00 CEST 2A 3.5 6.3 75.5 3.5
2026-06-14 17:00 - 20:00 CEST 2A 3.5 4.3 73.7 3.5
2026-06-14 18:00 - 21:00 CEST 1B 4.1 3.2 70.7 3.3
2026-06-14 19:00 - 22:00 CEST 1B 5.0 2.2 66.8 3.1
2026-06-14 20:00 - 23:00 CEST 1B 4.8 5.2 64.3 3.1
2026-06-14 21:00 - 00:00 CEST 1B 4.1 7.6 62.9 3.4
2026-06-14 22:00 - 01:00 CEST 1B 3.3 9.3 59.4 3.1
2026-06-14 23:00 - 02:00 CEST 1B 3.6 7.0 56.2 2.9
2026-06-15 00:00 - 03:00 CEST 1B 4.3 5.1 50.8 2.6
2026-06-15 01:00 - 04:00 CEST 1B 4.8 4.2 47.9 2.3
2026-06-15 02:00 - 05:00 CEST 1B 5.3 5.1 45.4 1.6
2026-06-15 03:00 - 06:00 CEST 1B 6.4 5.4 42.6 1.0
2026-06-15 04:00 - 07:00 CEST 1B 7.4 7.2 41.7 1.0

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