Air Quality · UV · Pollen

Air quality in Ontario

Ontario, Canada · 26 October 2026

2/6

Moderate

Air Quality · US EPA

2/6

Moderate

UV Index · max

1.8

Low

Pollen · dominant

None

Air quality breakdown Moderate

US EPA 2/6 · UK DEFRA 1/10 · µg/m³.

PM2.5 12 µg/m³

PM10 12 µg/m³

O3 53 µg/m³

NO2 17 µg/m³

SO2 6.5 µg/m³

CO 248 µg/m³

Acceptable for most; unusually sensitive people should watch for symptoms.

Today's maximum UV is 1.8.

036811+

No protection needed for most people.

Trees

no data

None

Grass

no data

None

Weeds

no data

None

No significant pollen detected today.