Arco Íris
São Paulo

Air Quality

Arco Íris • 3 days
Good
Moderate
Sensitive groups
Unhealthy
Very unhealthy
Hazardous
Today 31/07
😊
Good AQI 35 / 300
GoodModerateHazardous
PM2.5
8.4 µg/m³
PM10
9.3 µg/m³
Ozone (O₃)
46.0 µg/m³
Nitrogen dioxide (NO₂)
7.0 µg/m³
Sulfur dioxide (SO₂)
4.0 µg/m³
Carbon monoxide (CO)
175.0 µg/m³
Tomorrow 01/08
😊
Good AQI 39 / 300
GoodModerateHazardous
PM2.5
9.4 µg/m³
PM10
9.7 µg/m³
Ozone (O₃)
83.3 µg/m³
Nitrogen dioxide (NO₂)
5.2 µg/m³
Sulfur dioxide (SO₂)
2.1 µg/m³
Carbon monoxide (CO)
195.7 µg/m³
Sun 02/08
😊
Good AQI 41 / 300
GoodModerateHazardous
PM2.5
9.9 µg/m³
PM10
11.1 µg/m³
Ozone (O₃)
70.7 µg/m³
Nitrogen dioxide (NO₂)
4.8 µg/m³
Sulfur dioxide (SO₂)
1.4 µg/m³
Carbon monoxide (CO)
183.4 µg/m³

The air in Arco Íris today is genuinely lovely, the kind of clear, fresh breeze that makes you want to take a deep breath just for the pleasure of it. It feels light and easy on the lungs, with none of that heaviness or stuffiness you sometimes get on still, muggy days. Honestly, it’s one of those mornings where the sky looks brighter and the whole town seems to exhale.

This is absolutely a day to get outside and make the most of it, whether that means a long walk, a bike ride, or just sitting on the porch with your coffee. If you’ve been putting off a run or some gardening, this is your green light, and you can fling the windows wide open without a second thought to let the good air move through your house.

There’s no need for anyone to hold back today, not the kids playing in the yard, not your neighbour with the wheezy chest, and not the older folks who usually feel the weather in their bones. The kind of freshness we’re seeing is about as friendly as it gets, so everyone can join in without worrying or adjusting their plans.

So go on, step outside and enjoy it. Days like this are a quiet gift, and the best thing you can do is let the clean air fill your lungs and feel your spirits lift, because in Arco Íris, today is simply a pleasure to be alive and breathing.

Weather map

Wind, rain and temperature — Arco Íris
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Air quality in Arco Íris (SP)

Air quality in Arco Íris (São Paulo) with up-to-date data for today, tomorrow and the day after: air quality index (AQI), fine particulate matter PM2.5 and PM10, ozone (O₃), nitrogen dioxide (NO₂), sulfur dioxide (SO₂) and carbon monoxide (CO). Find out whether the air is Good, Moderate, Unhealthy or Hazardous and make safer decisions for outdoor activities.