Air quality now
23
Good
On the U.S. scale, 0 to 50 is the cleanest band.
Through today the index runs from 20 to 27.
Pollen & air
Ottawa
Air quality, ultraviolet light and pollen for Ottawa, Canada. The reading is for 7:00 am local time on October 3.
Photo: Scoutguy5427, CC BY-SA 4.0, via Wikimedia Commons.
A weather reading. This page explains the numbers. It is not medical advice, and it does not say how anyone will feel.
UV, highest today
3.9
Moderate
A UV index of 3 to 5 is the moderate band. The index describes the strength of ultraviolet light at the ground.
Right now the index is 0. The word above is for the highest hour today.
Pollen in the air
Tiles are the types whose highest hour today is at least 1 grain per cubic metre. Low means 1 to 19, moderate means 20 to 49, high means 50 to 99, and very high means 100 or more. Those words only group the count. They are not a medical category.
This pollen forecast covers Europe, and only while those plants are in season. There is no pollen number for this place today. The air-quality and UV readings above still stand.
Data by Open-Meteo.com, from the air-quality API. Pollen is published for Europe, in grains per cubic metre, and only while a plant is in season. The U.S. air quality index and the UV index use that feed too. This copy is cached for about half an hour.
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