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Demerval Lobão (Piauí) (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

Nublado
23°C
Nublado
Humidity
98.1%
Wind
2 m/s
Pressure
1011.2 hPa
Direction
304°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
22° / 29°
Precip.
18.6mm
Max wind
2.7 m/s

Hourly Forecast

21.04
Now
Weather
23°
21.04
05:00
Weather
23°
21.04
06:00
Weather
23°
21.04
07:00
Weather
23°
21.04
08:00
Weather
22°
21.04
09:00
Weather
22°
21.04
10:00
Weather
23°
0.1
21.04
11:00
Weather
24°
0.1
21.04
12:00
Weather
25°
21.04
13:00
Weather
27°
0.2
21.04
14:00
Weather
28°
0.2
21.04
15:00
Weather
28°
1.2
21.04
16:00
Weather
28°
21.04
17:00
Weather
29°
21.04
18:00
Weather
29°
21.04
19:00
Weather
29°
0.3
21.04
20:00
Weather
27°
21.04
21:00
Weather
25°
1.6
21.04
22:00
Weather
24°
2.2
21.04
23:00
Weather
24°
2.6
22.04
00:00
Weather
23°
2.2
22.04
01:00
Weather
23°
2.4
22.04
02:00
Weather
23°
0.7
22.04
03:00
Weather
23°
4.8

Temperature

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

Precipitation

4.8mm
0mm
10:00
0.1mm
11:00
0.1mm
13:00
0.2mm
14:00
0.2mm
15:00
1.2mm
19:00
0.3mm
21:00
1.6mm
22:00
2.2mm
23:00
2.6mm
00:00
2.2mm
01:00
2.4mm
02:00
0.7mm
03:00
4.8mm
04:00 15:00 03:00

Wind

2.7m/s
0m/s
04:00
2.1 m/s
05:00
2 m/s
06:00
1.8 m/s
07:00
1.6 m/s
08:00
1.2 m/s
09:00
1 m/s
10:00
1.3 m/s
11:00
1.2 m/s
12:00
1 m/s
13:00
1 m/s
14:00
1.3 m/s
15:00
1.7 m/s
16:00
1.5 m/s
17:00
1.4 m/s
18:00
1.1 m/s
19:00
1.5 m/s
20:00
2.3 m/s
21:00
1.8 m/s
22:00
2.7 m/s
23:00
1.7 m/s
00:00
1.5 m/s
01:00
1.3 m/s
02:00
2.1 m/s
03:00
1.8 m/s
04:00 15:00 03:00

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
93.6 km
2
0.7%

Measurement time: 2026-04-21 06:44

Calculated from PM2.5/PM10

O3
93.6 km
10.54 µg/m3
6.6%

Measurement time: 2026-04-21 06:44

source: OpenWeatherMap

PM2.5
93.6 km
0.69 µg/m3
0.8%

Measurement time: 2026-04-21 06:44

source: OpenWeatherMap

NO2
93.6 km
1.11 µg/m3
0.6%

Measurement time: 2026-04-21 06:44

source: OpenWeatherMap

CO
93.6 km
0.07487 mg/m3
0.5%

Measurement time: 2026-04-21 06:44

source: OpenWeatherMap

PM10
93.6 km
0.74 µg/m3
0.5%

Measurement time: 2026-04-21 06:44

source: OpenWeatherMap

SO2
93.6 km
0.05 µg/m3
0%

Measurement time: 2026-04-21 06:44

source: OpenWeatherMap

Info


Country: Brazil
Region: Piauí
Latitude: -5.35833
Longitude: -42.67639

About Air Quality in Demerval Lobão

Air quality in Demerval Lobão 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 Demerval Lobão

  • 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 Demerval Lobão?

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 Demerval Lobão

If you're planning outdoor activities in Demerval Lobão, 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.