| Springfield - Longitude: 2.055 W. Latitude: 52.489 N. | |||||
|---|---|---|---|---|---|
| Source | Data | Year | Date(s) | File name and link to archive directory  | 
 |
| LA | NO | 1999 | 12/6-13/7 | spring_no_990612.na | |
| 2000 | 17/1-17/2 | spring_chem-pm_000117.na | |||
| NO2 | 1999 | 12/6-13/7 | spring_no2_990612.na | ||
| 2000 | 17/1-17/2 | spring_chem-pm_000117.na | |||
| SO2 | 1999 | 12/6-13/7 | spring_so2_990612.na | ||
| 2000 | 17/1-17/2 | spring_chem-pm_000117.na | |||
| CO | 1999 | 12/6-13/7 | spring_co_990612.na | ||
| 2000 | 17/1-17/2 | spring_chem-pm_000117.na | |||
| PM2.5 | 1999 | 12/6-13/7 | spring_pm2p5_990612.na | ||
| Total PM (?) | 2000 | 17/1-17/2 | spring_chem-pm_000117.na | ||
| LA = Local Authorities | |||||