1 availability checks of allsmogcheck.com were performed in the 813 day period starting on September 11, 2022. Allsmogcheck.com was operational 1 times during the total checks, with the most recent uptime on September 11, 2022, returning a code 200. All testing of allsmogcheck.com as of December 2, 2024, found no instances of inoperability. Among the replies received as of December 2, 2024, there were no responses with error status. Allsmogcheck.com replied in 1.976 seconds on September 11, 2022, contrasting with its average 1.976 seconds average.