West Central Airshed Society

Data dashboard for October 2025 at the Meadows and Wagner Air Monitoring Stations

Map

Sulphur Dioxide (SO2)

SO2 Hourly Trend

SO2 October PolarMap (Red high, Blue low)

Nitrogen Dioxide (NO2)

NO2 Hourly Trend

NO2 October 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

October 2025 Table summary

Characteristic Operational Hrs Range (min) 25th Percentile Mean 75th Percentile 95th Percentile Range (max) Percent Valid
SO2 643.0 0.0 0.0 0.1 0.1 0.3 0.8 86.3%
NO 706.0 0.0 0.0 0.3 0.2 1.3 3.6 94.8%
NO2 706.0 0.2 1.0 2.0 2.6 4.1 8.0 94.8%
NOX 706.0 0.3 1.1 2.2 2.8 5.6 8.4 94.8%

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"

October 2025 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

October 2025 Table Summary

Characteristic Operational Hrs Range (min) 25th Percentile Mean 75th Percentile 95th Percentile Range (max) Percent Valid
SO2 707.0 0.0 0.0 0.1 0.1 0.2 0.5 94.9%
NO 707.0 0.0 0.0 0.4 0.3 1.8 14.8 94.9%
NO2 707.0 0.2 1.1 2.2 2.9 5.3 10.7 94.9%
NOX 707.0 0.2 1.2 2.6 3.2 6.9 23.8 94.9%

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"

October 2025 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.