Apple patent hints that future iPhones and Apple Watches could detect harmful gases

INSUBCONTINENT EXCLUSIVE:
Apple:"Apple's patent claim #9 points to a "target gas comprising of at least one of ozone (O.sub.3), nitrogen dioxide (NO.sub.2), nitrogen
monoxide (NO), sulfur dioxide (SO.sub.2), carbon monoxide (CO), methane (CH.sub.4), and volatile organic compounds (VOCs), and wherein the
components of a gas mixture other than the target gas comprises poisoning species including siloxanes, sulfates, phosphates and chlorides,
since these devices are frequently near or attached to users as they sleep
It could be challenging to fit devices with these sensors while still making them waterproof, since the gas sensor may need its own hole in
Patently Apple