Amazon CloudWatch allows alarming on data up to 7 days old

Amazon CloudWatch now lets customers evaluate metrics data for an extended duration of up to 7 days, a 7x increase from the previous limit of 24 hours.

This enhancement empowers customers to monitor the health of longer-running or infrequent processes, such as daily data loading jobs or day-over-day performance trends, offering deeper insights into their resources and applications. Customers now have the flexibility to leverage CloudWatch alarms for use cases like near-real-time metric tracking as well as for monitoring patterns that span multiple days.

Amazon CloudWatch alarming on multi-day data is now available in all AWS Regions including the AWS GovCloud (US) Regions.

To alarm on multiple days of data, create or update an alarm using the CloudWatch console or Command Line Interface (CLI), specify a period of at least 3,600 (1 hour) and the number of datapoints that you want to compare against the threshold. For more information, visit the CloudWatch alarms documentation section.