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Santos (São Paulo) (BR)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

雨
24°C
Humidity
89.5%
Wind
9 m/s
Pressure
1013.6 hPa
Direction
89°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
24° / 25°
Precip.
8mm
Max wind
11.4 m/s

Hourly Forecast

11.03
Now
Weather
24°
0.8
9
11.03
08:00
Weather
24°
0.3
10
11.03
09:00
Weather
24°
0.4
9
11.03
10:00
Weather
24°
0.6
9
11.03
11:00
Weather
24°
0.3
9
11.03
12:00
Weather
24°
0.3
9
11.03
13:00
Weather
25°
0.3
9
11.03
14:00
Weather
25°
0.3
10
11.03
15:00
Weather
25°
1.1
9
11.03
16:00
Weather
25°
1
9
11.03
17:00
Weather
25°
0.4
9
11.03
18:00
Weather
25°
9
11.03
19:00
Weather
25°
9
11.03
20:00
Weather
25°
10
11.03
21:00
Weather
25°
0.1
11
11.03
22:00
Weather
25°
0.1
11
11.03
23:00
Weather
25°
11
12.03
00:00
Weather
25°
0.2
11
12.03
01:00
Weather
25°
0.2
11
12.03
02:00
Weather
25°
0.2
10
12.03
03:00
Weather
25°
0.1
10
12.03
04:00
Weather
25°
0.3
9
12.03
05:00
Weather
25°
0.3
9
12.03
06:00
Weather
25°
0.7
8

Temperature

25°C
24°C
07:00
24°C
08:00
24°C
09:00
24°C
10:00
24°C
11:00
24°C
12:00
24°C
13:00
25°C
14:00
25°C
15:00
25°C
16:00
25°C
17:00
25°C
18:00
25°C
19:00
25°C
20:00
25°C
21:00
25°C
22:00
25°C
23:00
25°C
00:00
25°C
01:00
25°C
02:00
25°C
03:00
25°C
04:00
25°C
05:00
25°C
06:00
25°C
07:00 18:00 06:00

Precipitation

1.1mm
0mm
07:00
0.8mm
08:00
0.3mm
09:00
0.4mm
10:00
0.6mm
11:00
0.3mm
12:00
0.3mm
13:00
0.3mm
14:00
0.3mm
15:00
1.1mm
16:00
1mm
17:00
0.4mm
21:00
0.1mm
22:00
0.1mm
00:00
0.2mm
01:00
0.2mm
02:00
0.2mm
03:00
0.1mm
04:00
0.3mm
05:00
0.3mm
06:00
0.7mm
07:00 18:00 06:00

Wind

11.4m/s
0m/s
07:00
9 m/s
08:00
9.5 m/s
09:00
9.3 m/s
10:00
9.2 m/s
11:00
9.3 m/s
12:00
9.4 m/s
13:00
9.2 m/s
14:00
9.6 m/s
15:00
8.9 m/s
16:00
8.5 m/s
17:00
9.1 m/s
18:00
9.3 m/s
19:00
8.9 m/s
20:00
9.8 m/s
21:00
10.9 m/s
22:00
11.1 m/s
23:00
11.4 m/s
00:00
11.1 m/s
01:00
10.8 m/s
02:00
10.4 m/s
03:00
9.7 m/s
04:00
9.1 m/s
05:00
8.9 m/s
06:00
8.2 m/s
07:00 18:00 06:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
63.2 km
52
17.3%

Measurement time: 2026-03-11 06:00

Calculated from PM2.5/PM10

PM2.5
63.2 km
13 µg/m3
15.5%

Measurement time: 2026-03-11 06:00

source: Aqicn

O3
63.2 km
8.2 µg/m3
5.1%

Measurement time: 2026-03-11 06:00

source: Aqicn

PM10
63.2 km
7 µg/m3
5%

Measurement time: 2026-03-11 06:00

source: Aqicn

NO2
63.2 km
7.4 µg/m3
3.7%

Measurement time: 2026-03-11 06:00

source: Aqicn

CO
63.2 km
0.0019 mg/m3
0%

Measurement time: 2026-03-11 06:00

source: Aqicn

Info


Country: Brazil
Region: São Paulo
Latitude: -23.96083
Longitude: -46.33361


Solar Energy

Night
0 W/m²
Solar Radiation
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About Air Quality in Santos

Air quality in Santos is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Santos

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Santos?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Santos

If you're planning outdoor activities in Santos, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.