Santa Isabel do Rio Preto, Valença
Rio de Janeiro

Air Quality

Valença • 3 days
Good
Moderate
Sensitive groups
Unhealthy
Very unhealthy
Hazardous
Today 04/08
😐
Moderate AQI 68 / 300
GoodModerateHazardous
PM2.5
20.2 µg/m³
PM10
20.3 µg/m³
Ozone (O₃)
21.0 µg/m³
Nitrogen dioxide (NO₂)
19.1 µg/m³
Sulfur dioxide (SO₂)
8.0 µg/m³
Carbon monoxide (CO)
534.0 µg/m³
Tomorrow 05/08
😊
Good AQI 30 / 300
GoodModerateHazardous
PM2.5
7.1 µg/m³
PM10
7.9 µg/m³
Ozone (O₃)
47.5 µg/m³
Nitrogen dioxide (NO₂)
12.4 µg/m³
Sulfur dioxide (SO₂)
11.8 µg/m³
Carbon monoxide (CO)
495.6 µg/m³
Thu 06/08
😊
Good AQI 30 / 300
GoodModerateHazardous
PM2.5
7.2 µg/m³
PM10
7.8 µg/m³
Ozone (O₃)
50.6 µg/m³
Nitrogen dioxide (NO₂)
12.3 µg/m³
Sulfur dioxide (SO₂)
10.7 µg/m³
Carbon monoxide (CO)
475.3 µg/m³

The air in Valença today is a bit on the heavier side, not exactly fresh but not bad either. You might notice a slight haze if you look toward the horizon, and breathing feels perfectly normal for most of us, just a touch less crisp than a breezy morning.

It’s still a fine day to get outside for a stroll or run some errands, though you might want to keep any hard exercise a bit lighter than usual. Opening the windows for a while is fine, but if you live near a busy road, you’ll probably prefer the quieter hours of the day to let the air move through.

If you have little ones, or you’re caring for older parents or anyone with a sensitive chest, it’s wise to take it a notch easier today. That doesn’t mean staying indoors, just choosing gentler activities and maybe skipping the long, hilly bike ride.

Overall, there’s nothing to worry about here. It’s one of those days where you can still enjoy Valença’s charm, just with a little extra kindness to your lungs. A short walk, a coffee by the river, and you’re golden.

Weather map

Wind, rain and temperature — Santa Isabel do Rio Preto
Loading map…

Air quality in Santa Isabel do Rio Preto, Valença (RJ)

Air quality in the district of Santa Isabel do Rio Preto, Valença (Rio de Janeiro): air quality index (AQI), PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide for today, tomorrow and the day after.