Smoking is not allowed here or I quit smoking! In places with this sign you must not reach for a cigarette. Among other reasons, non-smoking-rules serve to protect against health impairments of present people.
The no smoking emoji was introduced in 2010 and released as part of the Unicode 11.0 standard. This emoji can be found under the symbols
category. Because the no smoking emoji has been around for quite some time, it should display correctly in the majority of operating systems.