1 availability checks of allsmogcheck.com were performed in the 802 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 November 22, 2024, found no instances of inoperability. Among the replies received as of November 22, 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.