The air in 蓬佩亚 feels a bit thick today, like a warm blanket settled over everything, but it's still breathable and not truly unpleasant. You might notice a slight heaviness if you're walking briskly, but it's nothing that stops you from getting outside for a while.
It's a decent day for a gentle stroll or sitting in the garden, though I'd take it easy if you're planning a long, hard run. Windows can stay open for a short airing, but you might want to close them after an hour or so, especially if the breeze is light and the air feels still.
If you have a little one with asthma, or if you're someone with a sensitive chest or heart, maybe keep the morning walk shorter than usual. Older folks and anyone with breathing troubles might want to choose a quieter activity indoors this afternoon, just to be safe.
All in all, it's a fine day to go about your business, just don't push yourself too hard. Pop your head out, enjoy the mild weather, and listen to what your body tells you; it's one of those days when a little moderation goes a long way.