If we keep talking about quality, you lose much more clarity/contrast by some 3rd party sticked matte layer than what manufacturer actually puts into screen itself.
But I guess anything is better than cheap looking glossy screen intended for any serious work.
Honestly, and I'm not sure of the technical specifications, but the screen is so bright that I really never notice the reflections unless I'm in the absolute worst conditions- where I probably shouldn't be running my laptop outside in direct sunlight.
It's an interesting issue, because I have the same feelings about the recent launch of the SteamDeck. The highest priced model has an etched mat screen and the lower models have a reflective one. I'd say that it's far more noticeable in the steamdeck than it is on my macbook screen, even though they look very similar.
My guess is the adaptive brightness and sensors are very well tuned.
I've got a MB Pro 14", can't really use it outside at normal max brightness (500 nits); there's a program called Lunar which let's you blast the full display up to the normally-HDR-content-only brightness levels (so probably somewhere around 1000 nits); easily usable outside if not in direct sun; even in direct sun still somewhat usable. (Drains battery pretty fast though.)
Still not as nice as e.g. an e-ink display would be.
I don't think the M2 Air has this option, so I would say: not very usable outside.
My Lenovo has a matte screen and has an a lot less visible screen than my wifes glossy macbook air. Unfortunately glossy or matte no longer is an indicator on how readable a screen is.
Looking at unboxing videos of Apple laptops gives me goosebumps, seeing all the reflections in the screen:
https://youtu.be/eSlAJMsM6CM?t=321
The Dell XPS to which it is compared here is available as a matte version and is nicely suitable to work outside.