PM₁₀ kɔnɔ, bɔnbɔnni misɛnniw (PM₂.₅) ni bɔnbɔnni bonbaw bɛ yen minnu fɛrɛ bɛ se mikoromɛtɛrɛ 10 ma. U bɔyɔrɔw ye sira ni sojɔli buguri, dugukolo buguri min bɛ wuli fiɲɛ fɛ, tasumafɛnw jeni ani bɔnbɔnniw minnu bɛ dan sankolo fiɲɛ la. PM₁₀ tɛ bɔnbɔnni bonbaw dɔrɔn ye: olu ye fan ye min bɛ mikoromɛtɛrɛ 2.5 ni 10 cɛ.

WHO: fiɲɛ nɔgɔyafɛnw ani kɛnɛya

Nitirɔzɛni diyɔkisidi (NO₂) bɔyɔrɔba ye tasumafɛnw jeni ye mobiliw la, so kalayali, kuran dilanni ani iziniw la. Gazi tobiminanw ani minan wɛrɛ minnu bɛ tasumafɛn jeni bɛ se ka a bɔ so kɔnɔ fana. A bɛ dɛmɛ kɛ ozɔni ni bɔnbɔnni misɛnniw danni la sankolo fiɲɛ la.

WHO: fiɲɛ nɔgɔyafɛnw ani kɛnɛya

Ozɔni dugukolo kɛrɛfɛ (O₃) bɛ dan ni tile ye nitirɔzɛni ɔkisidiw ni ɔriganiki fɛnw minnu bɛ yɛlɛma gazi ye nɔgɔya bila ka ɲɔgɔn yɛlɛma. A hakɛ bɛ yɛlɛn tuma caman na ni tile bɛ bɔ, ani nɔgɔyali bɛ se ka taama ka jan a bɔyɔrɔw la. Ozɔni dugukolo kɛrɛfɛ bɛ tɔɔrɔ lase; a ni ozɔni lakanafan min bɛ sankolo sanfɛ kosɛbɛ tɛ kelen ye.

WHO: fiɲɛ nɔgɔyafɛnw ani kɛnɛya