If the timespan is changed between month/week to a specific date, peaks show different values. The reason is that we have optimized the view for a clean visual experience and fast loading times.
The averaging is setup as follows:
12/48h: 5 min full resolution (no averaging)
Week: Hourly averaging
Month: Four hours averaging
Annual: Three days averaging
Examples
48 Hours
2021-02-18: Peak C02 at 561 ppm
Week
2021-02-18: Peak C02 at 508 ppm
Month
2021-02-18: Peak C02 at 456 ppm
