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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: Brno-Lisen
Code: BBNIA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/U/R
Localization
Coordinates: 49° 12´ 47.560" North latitude 16° 40´ 40.887" East longitude
Altitude: 340 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 8.4 95.2 3.0
2026-05-23 16:00 - 19:00 CEST 2A 5.5 94.6 2.2
2026-05-23 17:00 - 20:00 CEST 2A 3.7 96.0 1.3
2026-05-23 18:00 - 21:00 CEST 2A 2.4 96.1 1.0
2026-05-23 19:00 - 22:00 CEST 2A 5.1 92.2 1.0
2026-05-23 20:00 - 23:00 CEST 2A 8.5 80.3 1.0
2026-05-23 21:00 - 00:00 CEST 2A 12.4 67.3 2.0
2026-05-23 22:00 - 01:00 CEST 2A 17.6 60.2 4.2
2026-05-23 23:00 - 02:00 CEST 1B 18.2 55.2 7.2
2026-05-24 00:00 - 03:00 CEST 1B 16.6 52.4 7.7
2026-05-24 01:00 - 04:00 CEST 1B 9.9 46.1 7.3
2026-05-24 02:00 - 05:00 CEST 1B 7.1 46.2 6.4
2026-05-24 03:00 - 06:00 CEST 1B 10.0 44.4 6.3
2026-05-24 04:00 - 07:00 CEST 1B 14.1 45.2 6.3
2026-05-24 05:00 - 08:00 CEST 1B 17.4 45.6 9.6
2026-05-24 06:00 - 09:00 CEST 2A 25.9 52.0 16.6
2026-05-24 07:00 - 10:00 CEST 2A 26.6 65.6 19.1
2026-05-24 08:00 - 11:00 CEST 2A 25.1 83.5 18.4
2026-05-24 09:00 - 12:00 CEST 2A 13.1 96.8 13.5
2026-05-24 10:00 - 13:00 CEST 2A 7.3 102.7 10.8
2026-05-24 11:00 - 14:00 CEST 2A 4.7 104.4 8.0
2026-05-24 12:00 - 15:00 CEST 2A 4.3 105.2 6.7
2026-05-24 13:00 - 16:00 CEST 2A 4.9 107.4 6.5
2026-05-24 14:00 - 17:00 CEST 2A 5.2 109.1 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