| Station | Measurement time period | Pollutant concentration (units) | ||||||
| CO | SO2 | NO2 | MP10 | MP2.5 | TRS | |||
| Palacio Legislativo | 1/06/2010, 0:00 | 21/12/2012, 23:00 | ppm | ppb | ppb | μg/m3 | ----- | ---- |
| La Teja | 1/01/2012, 1:00 | 31/12/2012, 23:00 | mg/m3 | μg/m3 | μg/m3 | ----- | μg/m3 | μg/m3 |
| Colón | 1/04/2009, 4:00 | 31/12/2012, 23:00 | ppm | ppb | ppb | μg/m3 | ----- | ----- |