Instrument Mentors
The Yellowstone site is located at the Yellowstone Lake Maintenance Building at the Yellowstone National Park. It is operated by the National Park Service (NPS). It is part of the Interagency Monitoring of Protected Visual Environments (IMPROVE) network (Yell2), and part of the Clean Air Status and Trends Network (CASTNET) (YEL408). Live data can be found here and historical data can be found here (Water Tank site).
Complementary Instrumentation
| Parameter | Instrument | Sampling Frequency | Network* |
| O3 | Thermo Scientific 49i | Continuous | A |
| Filter PM2.5 (teflon): mass, elements, absorption | IMPROVE Sampler - Module A | 1-in-3 | I |
| Filter PM2.5 (nylon): sulfate, nitrate, ions | IMPROVE Sampler - Module B | 1-in-3 | I |
| Filter PM2.5 (quartz): organic and elemental carbon | IMPROVE Sampler - Module C | 1-in-3 | I |
| Filter PM10 (teflon): mass | IMPROVE Sampler - Module D | 1-in-3 | I |
| Temperature/Relative Humidity | No info | Continuous | G |
| Wind Direction/Speed | No info | Continuous | G |
| Precipitation | No info | Continuous | G |
| Solar Radiation | No info | Continuous | G |
*Monitoring Types: G=General Information; A=CASTNET; I=IMPROVE
