VON HILLERN ST
Site ID: 25-025-0044 · 42.3252°N, 71.0561°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Carbon monoxide | 1 | 2013 | 2025-08-31 |
| Nitric oxide (NO) | 1 | 2013 | 2025-08-31 |
| Nitrogen dioxide (NO2) | 1 | 2013 | 2025-08-31 |
| Oxides of nitrogen (NOx) | 1 | 2013 | 2025-08-31 |
| Wind Speed - Scalar | 1 | 2013 | 2025-08-31 |
| Wind Direction - Scalar | 1 | 2013 | 2025-08-31 |
| Outdoor Temperature | 1 | 2013 | 2025-08-31 |
| Relative Humidity | 1 | 2013 | 2025-08-31 |
| Solar radiation | 1 | 2013 | 2025-08-31 |
| Barometric pressure | 1 | 2013 | 2025-08-31 |
| Sample Flow Rate- CV | 1 | 2013 | 2025-09-28 |
| Sample Volume | 1 | 2013 | 2025-09-28 |
| Ambient Min Temperature | 1 | 2013 | 2025-09-28 |
| Ambient Max Temperature | 1 | 2013 | 2025-09-28 |
| Average Ambient Temperature | 1 | 2013 | 2025-09-28 |
| Sample Min Baro Pressure | 1 | 2013 | 2025-09-28 |
| Sample Max Baro Pressure | 1 | 2013 | 2025-09-28 |
| Average Ambient Pressure | 1 | 2013 | 2025-09-28 |
| Elapsed Sample Time | 1 | 2013 | 2025-09-28 |
| Black carbon PM2.5 STP | 1 | 2014 | 2025-08-31 |
| UV Carbon PM2.5 STP | 1 | 2025 | 2025-08-31 |
| PM10 - LC | 3 | 2022 | 2025-08-31 |
| PM10 - LC | 4 | 2022 | 2025-08-31 |
| Particle Number, Total Count | 1 | 2024 | 2025-08-31 |
| PM2.5 - Local Conditions | 1 | 2013 | 2025-09-28 |
| PM2.5 - Local Conditions | 3 | 2015 | 2025-08-31 |
| PM2.5 - Local Conditions | 4 | 2019 | 2025-08-31 |
| PM2.5 - Local Conditions | 23 | 2021 | 2023-12-31 |
| PM2.5 - Local Conditions | 24 | 2021 | 2023-12-31 |
| Acceptable PM2.5 AQI & Speciation Mass | 3 | 2013 | 2015-08-31 |
| Acceptable PM2.5 AQI & Speciation Mass | 4 | 2015 | 2019-06-30 |