| Site | Date/Time (UTC) | CO | O3 | NO | NOy | SO2 | CO2 | CN Counter |
| TF | 09/11/23 16:00:00 | 159 | 23 | 0.7 | 5.2 | NA | NA | NA |
| CS | 09/11/23 16:00:00 | NA | NA | NA | NA | NA | NA | NA |
| MWO | 09/11/23 16:00:00 | NA | NA | NA | NA | NA | NA | NA |
| IS | 09/11/23 16:00:00 | 167 | 18 | NA | NA | NA | NA | NA |
NA = Not Available (for various reasons: no instrument at site, instrument in zero or cal mode, instrument broken ...)