West Central Airshed Society
Data dashboard for October 2025 at the Meadows and Wagner Air
Monitoring Stations
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

Interactive Historical Hourly Traces
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 PolarMaps and PollutionRose
## Detected data with Daylight Saving Time.
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 PolarMaps and PollutionRose
## Detected data with Daylight Saving Time.
NO2 PolarMaps and PollutionRose
## Detected data with Daylight Saving Time.