The phrase "good airing" means the act of allowing fresh air to circulate in a space, which helps remove unpleasant odors and create a more comfortable environment. Full definition
Also, it is advisable to go for natural stuffing as they allow for better air circulation compared to artificial ones. (pillowtip.com)
The «seat base» which is made up of mesh material allows for better air circulation to keep your child cool and comfortable in the stroller. (mommystroller.com)
The economic benefit of better air quality, from improved human health and increased yields from agriculture and forestry, can offset costs associated with emissions reductions. (giss.nasa.gov)