WCAS Stations Dashboard
Meadows, Wagner Stations
April 2026
West Central Airshed Society
Data dashboard for April 2026 at the Meadows and Wagner Air Monitoring Stations
Map
Sulphur Dioxide (SO2)
SO2 Hourly Trend
SO2 April PolarMap (Red high, Blue low)
Nitrogen Dioxide (NO2)
NO2 Hourly Trend
NO2 April PolarMap (Red high, Blue low)
Temperature
Temperature Hourly Trend
Relative Humidity (RH)
RH Hourly Trend
Wind Speed (WS)
WS Hourly Trend
Wind Roses
Interactive Historical Hourly Traces
Meadows
Wagner2
Meadows Station
April 2026 Table summary
| Characteristic | Operational Hrs | Range (min) | 25th Percentile | Mean | 75th Percentile | 95th Percentile | Range (max) | Percent Valid |
|---|---|---|---|---|---|---|---|---|
| SO2 | 682.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.4 | 3.5 | 94.6% |
| NO | 681.0 | 0.0 | 0.0 | 0.3 | 0.2 | 1.2 | 23.5 | 94.5% |
| NO2 | 681.0 | 0.4 | 1.1 | 2.0 | 2.6 | 4.7 | 16.7 | 94.5% |
| NOX | 681.0 | 0.4 | 1.2 | 2.3 | 2.9 | 5.3 | 40.2 | 94.5% |
Readings above hourly AAAQO, Sulphur Dioxide > 172ppb
[1] "No readings above hourly AAAQO"Readings above daily AAAQO, Sulphur Dioxide > 48ppb
[1] "No readings above daily AAAQO"Readings above monthly AAAQO, Sulphur Dioxide > 11ppb
[1] "No readings above monthly AAAQO"Readings above hourly AAAQO, Nitrogen Dioxide > 159ppb
[1] "No readings above hourly AAAQO"April 2026 Graphical summary
SO2 Calendar Plots
SO2 PolarMaps and PollutionRose
## Detected data with Daylight Saving Time.
NO2 Calendar Plots
NO2 PolarMaps and PollutionRose
## Detected data with Daylight Saving Time.
Wagner2 Station
April 2026 Table Summary
| Characteristic | Operational Hrs | Range (min) | 25th Percentile | Mean | 75th Percentile | 95th Percentile | Range (max) | Percent Valid |
|---|---|---|---|---|---|---|---|---|
| SO2 | 685.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.3 | 1.7 | 95.0% |
| NO | 685.0 | 0.0 | 0.0 | 0.2 | 0.2 | 1.0 | 4.1 | 95.0% |
| NO2 | 685.0 | 0.4 | 1.0 | 1.9 | 2.5 | 4.7 | 8.2 | 95.0% |
| NOX | 685.0 | 0.3 | 1.0 | 2.1 | 2.7 | 5.2 | 11.5 | 95.0% |
Readings above hourly AAAQO, Sulphur Dioxide > 172ppb
[1] "No readings above hourly AAAQO"Readings above daily AAAQO, Sulphur Dioxide > 48ppb
[1] "No readings above daily AAAQO"Readings above monthly AAAQO, Sulphur Dioxide > 11ppb
[1] "No readings above monthly AAAQO"Readings above hourly AAAQO, Nitrogen Dioxide > 159ppb
[1] "No readings above hourly AAAQO"April 2026 Graphical summary
SO2 Calendar Plots
SO2 PolarMaps and PollutionRose
## Detected data with Daylight Saving Time.
NO2 Calendar Plots
NO2 PolarMaps and PollutionRose
## Detected data with Daylight Saving Time.
