Web Generator 1.0.0
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: Cheb
Code: KCHMA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: B/S/R
Localization
Coordinates: 50° 3´ 57.099" North latitude 12° 21´ 48.393" East longitude
Altitude: 493 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
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
2025-08-01 10:00 - 13:00 CEST 1B 9.6 58.7
2025-08-01 11:00 - 14:00 CEST 1B 8.4 64.5
2025-08-01 12:00 - 15:00 CEST 2A 12.6 71.0
2025-08-01 13:00 - 16:00 CEST 2A 12.7 75.9
2025-08-01 14:00 - 17:00 CEST 2A 12.4 78.5
2025-08-01 15:00 - 18:00 CEST 2A 8.0 77.4
2025-08-01 16:00 - 19:00 CEST 2A 5.6 76.9
2025-08-01 17:00 - 20:00 CEST 2A 4.8 76.6
2025-08-01 18:00 - 21:00 CEST 2A 4.2 75.2
2025-08-01 19:00 - 22:00 CEST 1B 3.9 70.5
2025-08-01 20:00 - 23:00 CEST 1B 3.9 64.3
2025-08-01 21:00 - 00:00 CEST 1B 4.7 63.6
2025-08-01 22:00 - 01:00 CEST 1B 5.2 63.4
2025-08-01 23:00 - 02:00 CEST 1B 5.5 62.5
2025-08-02 00:00 - 03:00 CEST 1B 4.6 51.9
2025-08-02 01:00 - 04:00 CEST 1B 3.8 47.1
2025-08-02 02:00 - 05:00 CEST 1B 6.1 41.0
2025-08-02 03:00 - 06:00 CEST 1B 13.0 37.2
2025-08-02 04:00 - 07:00 CEST 1B 16.4 34.8
2025-08-02 05:00 - 08:00 CEST 1B 21.2 34.2
2025-08-02 06:00 - 09:00 CEST 1B 26.0 39.2
2025-08-02 07:00 - 10:00 CEST 2A 31.8 47.9
2025-08-02 08:00 - 11:00 CEST 2A 28.2 55.8
2025-08-02 09:00 - 12:00 CEST 2A 18.5 61.2

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