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Vitória do Mearim (Maranhão) (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

Cloudy
25°C
Cloudy
Humidity
92.4%
Wind
2 m/s
Pressure
1012.2 hPa
Direction
344°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
23° / 31°
Precip.
4.6mm
Max wind
3.3 m/s

Hourly Forecast

04.02
Now
Weather
25°
04.02
06:00
Weather
25°
1.2
04.02
07:00
Weather
24°
2.1
04.02
08:00
Weather
23°
0.7
04.02
09:00
Weather
23°
04.02
10:00
Weather
24°
04.02
11:00
Weather
25°
04.02
12:00
Weather
26°
04.02
13:00
Weather
28°
04.02
14:00
Weather
30°
0.1
04.02
15:00
Weather
29°
04.02
16:00
Weather
30°
04.02
17:00
Weather
31°
04.02
18:00
Weather
31°
0.1
04.02
19:00
Weather
30°
04.02
20:00
Weather
29°
04.02
21:00
Weather
28°
04.02
22:00
Weather
27°
04.02
23:00
Weather
26°
05.02
00:00
Weather
25°
05.02
01:00
Weather
25°
05.02
02:00
Weather
25°
05.02
03:00
Weather
25°
0.2
05.02
04:00
Weather
24°
0.2

Temperature

31°C
23°C
05:00
25°C
06:00
25°C
07:00
24°C
08:00
23°C
09:00
23°C
10:00
24°C
11:00
25°C
12:00
26°C
13:00
28°C
14:00
30°C
15:00
29°C
16:00
30°C
17:00
31°C
18:00
31°C
19:00
30°C
20:00
29°C
21:00
28°C
22:00
27°C
23:00
26°C
00:00
25°C
01:00
25°C
02:00
25°C
03:00
25°C
04:00
24°C
05:00 16:00 04:00

Precipitation

2.1mm
0mm
06:00
1.2mm
07:00
2.1mm
08:00
0.7mm
14:00
0.1mm
18:00
0.1mm
03:00
0.2mm
04:00
0.2mm
05:00 16:00 04:00

Wind

3.3m/s
0m/s
05:00
1.8 m/s
06:00
1.3 m/s
07:00
1.5 m/s
08:00
1.7 m/s
09:00
1.4 m/s
10:00
1.1 m/s
11:00
1.7 m/s
12:00
0.5 m/s
13:00
1.6 m/s
14:00
2 m/s
15:00
1.3 m/s
16:00
0.9 m/s
17:00
1.1 m/s
18:00
1.1 m/s
19:00
1.5 m/s
20:00
2.3 m/s
21:00
1.3 m/s
22:00
3.3 m/s
23:00
3.2 m/s
00:00
3.1 m/s
01:00
2.9 m/s
02:00
2.8 m/s
03:00
1.9 m/s
04:00
1.9 m/s
05:00 16:00 04:00

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
79 km
4
1.3%

Measurement time: 2026-02-04 04:34

Calculated from PM2.5/PM10

O3
79 km
13.21 µg/m3
8.3%

Measurement time: 2026-02-04 04:34

source: OpenWeatherMap

CO
79 km
0.19747 mg/m3
1.4%

Measurement time: 2026-02-04 04:34

source: OpenWeatherMap

PM2.5
79 km
1.11 µg/m3
1.3%

Measurement time: 2026-02-04 04:34

source: OpenWeatherMap

PM10
79 km
1.51 µg/m3
1.1%

Measurement time: 2026-02-04 04:34

source: OpenWeatherMap

NO2
79 km
1.84 µg/m3
0.9%

Measurement time: 2026-02-04 04:34

source: OpenWeatherMap

SO2
79 km
0.11 µg/m3
0%

Measurement time: 2026-02-04 04:34

source: OpenWeatherMap

Info


Country: Brazil
Region: Maranhão
Latitude: -3.46222
Longitude: -44.87056

Cities in the area:

About Air Quality in Vitória do Mearim

Air quality in Vitória do Mearim 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 Vitória do Mearim

  • 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 Vitória do Mearim?

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 Vitória do Mearim

If you're planning outdoor activities in Vitória do Mearim, 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.