The download tool provides “raw” CF_1 and CF_ATM data without any conversions applied at a fixed 10 minute average. The chart and popup box data will be converted and averaged as selected. As noted in this post, map and raw data don’t necessarily use the same algorithm:
dwhitemv
(Doug White)
2
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Discrepancy between current value on dot and in graph | 5 | 845 | October 20, 2022 | |
| Difference in Graph and Map Marker Data | 0 | 706 | October 10, 2022 | |
| Data mismatch between API fetch and Real Time Map CSV | 1 | 61 | June 9, 2025 | |
| Real-time data on Map Markers and graph do not match for US EPA conversion | 0 | 412 | October 15, 2022 | |
| Why does the one day average not match the graph? | 5 | 429 | June 13, 2023 |