Fine- first lesson learned- water does not help a fuel fire; always have even a disposable fire extinguisher handy. I trust your zx is otherwise OK.
Of course you must replace the air filters, unless they are the reusable type after washout. Water won't do any damage if you get it out promptly. Turn it over for a minute or two with the spark plugs out, after making sure that there is no residual moisture in the intake manifold.
Do a quick check on the engine oil by letting some out the drain- any water goes to the bottom and would be the first out. Maybe it's due for an oil change anyway- what's a couple dollars, for peace of mind?