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: 2026-04-04 18:25 CEST


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
2026-04-03 16:00 - 19:00 CEST 2A 0.2 7.7 13.0 92.9 9.6
2026-04-03 17:00 - 20:00 CEST 2A 0.2 13.9 13.7 88.7 9.5
2026-04-03 18:00 - 21:00 CEST 2A 0.2 20.3 14.3 78.8 9.5
2026-04-03 19:00 - 22:00 CEST 2A 0.3 23.7 14.1 69.7 9.3
2026-04-03 20:00 - 23:00 CEST 2A 0.3 20.3 12.5 65.7 8.6
2026-04-03 21:00 - 00:00 CEST 2A 0.3 15.6 10.9 66.0 8.0
2026-04-03 22:00 - 01:00 CEST 2A 0.3 13.2 10.0 66.1 7.4
2026-04-03 23:00 - 02:00 CEST 2A 0.2 10.9 9.1 69.0 6.9
2026-04-04 00:00 - 03:00 CEST 2A 0.2 9.2 8.4 71.6 6.3
2026-04-04 01:00 - 04:00 CEST 2A 0.2 7.6 7.8 75.3 5.7
2026-04-04 02:00 - 05:00 CEST 2A 0.2 6.5 7.5 75.7 5.5
2026-04-04 03:00 - 06:00 CEST 2A 0.2 6.0 7.2 76.9 5.2
2026-04-04 04:00 - 07:00 CEST 2A 0.2 6.3 7.5 77.0 5.2
2026-04-04 05:00 - 08:00 CEST 2A 0.2 6.2 7.9 77.9 5.4
2026-04-04 06:00 - 09:00 CEST 2A 0.2 6.5 8.2 76.9 5.8
2026-04-04 07:00 - 10:00 CEST 2A 0.3 6.8 8.7 73.9 6.3
2026-04-04 08:00 - 11:00 CEST 2A 0.3 7.9 9.5 70.3 6.8
2026-04-04 09:00 - 12:00 CEST 2A 0.4 8.9 9.6 68.8 6.9
2026-04-04 10:00 - 13:00 CEST 2A 0.3 9.2 8.8 69.7 6.1
2026-04-04 11:00 - 14:00 CEST 2A 0.3 9.3 7.2 70.3 5.1
2026-04-04 12:00 - 15:00 CEST 2A 0.3 9.4 6.4 69.8 4.0
2026-04-04 13:00 - 16:00 CEST 2A 0.3 9.4 5.8 69.4 3.5
2026-04-04 14:00 - 17:00 CEST 2A 0.3 9.5 5.5 68.5 3.2
2026-04-04 15:00 - 18:00 CEST 2A 0.3 9.4 5.4 68.6 3.1

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