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: 2025-12-05 07:25 CET


Basic data
Locality: Wels
Code: 3WELA
Type of measuring programme: Automated measuring program
Locality owner: Amt der Oberosterreichischen Landesregierung
Classification
Abbreviation: B/U/RCI
Localization
Coordinates: 48° 9´ 53.633" North latitude 14° 2´ 11.819" East longitude
Altitude: 316 m

Actual measured level of air pollution

Actual unverified data

Date and time Air quality SO₂ NO₂ PM₁₀ O₃ PM₂.₅
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
2025-12-04 05:00 - 08:00 CET 1A 2.5 18.5 17.3 9.8 15.0
2025-12-04 06:00 - 09:00 CET 1A 2.5 20.1 18.0 10.8 15.9
2025-12-04 07:00 - 10:00 CET 1A 2.5 20.5 18.5 11.5 16.5
2025-12-04 08:00 - 11:00 CET 1A 2.3 20.9 17.6 15.8
2025-12-04 09:00 - 12:00 CET 1A 2.1 17.7 16.1 14.5
2025-12-04 10:00 - 13:00 CET 1A 2.2 15.9 14.9 21.6 13.5
2025-12-04 11:00 - 14:00 CET 1A 2.2 16.5 14.9 21.6 13.5
2025-12-04 12:00 - 15:00 CET 1A 2.3 18.8 15.9 14.1 13.9
2025-12-04 13:00 - 16:00 CET 1A 2.6 21.0 16.6 10.2 14.3
2025-12-04 14:00 - 17:00 CET 1A 2.6 24.3 17.7 9.9 14.9
2025-12-04 15:00 - 18:00 CET 1A 2.6 25.4 17.6 10.8 15.2
2025-12-04 16:00 - 19:00 CET 1B 2.6 26.6 18.0 10.2 15.9
2025-12-04 17:00 - 20:00 CET 1B 2.6 26.0 18.9 10.6 17.0
2025-12-04 18:00 - 21:00 CET 1B 2.6 27.0 20.5 9.1 18.3
2025-12-04 19:00 - 22:00 CET 1B 2.7 27.2 22.1 7.7 19.3
2025-12-04 20:00 - 23:00 CET 1B 2.8 26.6 21.0 7.5 18.4
2025-12-04 21:00 - 00:00 CET 1A 2.7 22.8 18.4 8.4 16.2
2025-12-04 22:00 - 01:00 CET 1A 2.5 19.7 16.1 8.9 14.4
2025-12-04 23:00 - 02:00 CET 1A 2.5 17.3 15.4 8.8 13.6
2025-12-05 00:00 - 03:00 CET 1A 2.4 16.4 15.6 8.7 13.8
2025-12-05 01:00 - 04:00 CET 1A 2.3 15.3 15.1 9.2 13.6
2025-12-05 02:00 - 05:00 CET 1A 2.3 14.4 14.3 9.9 12.9
2025-12-05 03:00 - 06:00 CET 1A 2.2 14.1 13.5 10.4 12.1
2025-12-05 04:00 - 07:00 CET 1A 2.2 14.9 12.9 10.1 11.4

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