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São Simão (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

Nubes dispersas
30°C
Nubes dispersas
Humidity
55.4%
Wind
3 m/s
Pressure
1012.2 hPa
Direction
358°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
20° / 30°
Precip.
5.3mm
Max wind
4.3 m/s

Hourly Forecast

17.03
Now
Weather
30°
17.03
17:00
Weather
30°
17.03
18:00
Weather
30°
17.03
19:00
Weather
30°
0.4
17.03
20:00
Weather
26°
0.3
17.03
21:00
Weather
24°
2
17.03
22:00
Weather
22°
17.03
23:00
Weather
22°
0.3
18.03
00:00
Weather
21°
18.03
01:00
Weather
21°
0.5
18.03
02:00
Weather
21°
0.4
18.03
03:00
Weather
21°
0.5
18.03
04:00
Weather
20°
0.1
18.03
05:00
Weather
20°
18.03
06:00
Weather
20°
18.03
07:00
Weather
20°
18.03
08:00
Weather
20°
18.03
09:00
Weather
20°
18.03
10:00
Weather
20°
18.03
11:00
Weather
22°
18.03
12:00
Weather
24°
18.03
13:00
Weather
26°
0.2
18.03
14:00
Weather
27°
0.3
18.03
15:00
Weather
27°
0.3

Temperature

30°C
20°C
16:00
30°C
17:00
30°C
18:00
30°C
19:00
30°C
20:00
26°C
21:00
24°C
22:00
22°C
23:00
22°C
00:00
21°C
01:00
21°C
02:00
21°C
03:00
21°C
04:00
20°C
05:00
20°C
06:00
20°C
07:00
20°C
08:00
20°C
09:00
20°C
10:00
20°C
11:00
22°C
12:00
24°C
13:00
26°C
14:00
27°C
15:00
27°C
16:00 03:00 15:00

Precipitation

2mm
0mm
19:00
0.4mm
20:00
0.3mm
21:00
2mm
23:00
0.3mm
01:00
0.5mm
02:00
0.4mm
03:00
0.5mm
04:00
0.1mm
13:00
0.2mm
14:00
0.3mm
15:00
0.3mm
16:00 03:00 15:00

Wind

4.3m/s
0m/s
16:00
2.6 m/s
17:00
2.3 m/s
18:00
1.1 m/s
19:00
3.3 m/s
20:00
4.3 m/s
21:00
2.1 m/s
22:00
2.2 m/s
23:00
1.4 m/s
00:00
2.1 m/s
01:00
1.8 m/s
02:00
1.1 m/s
03:00
1.2 m/s
04:00
1.4 m/s
05:00
1.6 m/s
06:00
1.5 m/s
07:00
1.5 m/s
08:00
1.9 m/s
09:00
2.1 m/s
10:00
1.8 m/s
11:00
1.2 m/s
12:00
1.5 m/s
13:00
3.2 m/s
14:00
2.9 m/s
15:00
3.1 m/s
16:00 03:00 15:00

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
15.8 km
70
23.3%

Measurement time: 2026-03-17 16:27

Calculated from PM2.5/PM10

O3
15.8 km
62.87 µg/m3
39.3%

Measurement time: 2026-03-17 16:27

source: OpenWeatherMap

PM2.5
15.8 km
21.46 µg/m3
25.5%

Measurement time: 2026-03-17 16:27

source: OpenWeatherMap

PM10
15.8 km
26.92 µg/m3
19.2%

Measurement time: 2026-03-17 16:27

source: OpenWeatherMap

NO2
15.8 km
6.06 µg/m3
3%

Measurement time: 2026-03-17 16:27

source: OpenWeatherMap

CO
15.8 km
0.28921 mg/m3
2.1%

Measurement time: 2026-03-17 16:27

source: OpenWeatherMap

SO2
15.8 km
1.88 µg/m3
0.5%

Measurement time: 2026-03-17 16:27

source: OpenWeatherMap

Info


Country: Brazil
Region: São Paulo
Latitude: -21.47917
Longitude: -47.55083


Solar Energy

Moderate
423 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for São Simão

About Air Quality in São Simão

Air quality in São Simão 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 São Simão

  • 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 São Simão?

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 São Simão

If you're planning outdoor activities in São Simão, 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.