Can you please pm me your sensor id so that I can check. Thanks!
I see the same thing:
And an additional, maybe related issue in the AirGradient map (https://map.airgradient.com/). When I check the AirGradient map and tick the box to “Show OpenAQ monitors,” none of my historical data from my station are shown:
With the box to “Show openAQ monitors,” un-selected, my data are displayed.
Or appears to be an issue on open AQ side. I will check with them.