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Koelwār (Bihar) (IN)

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
22°C
Cloudy
Humidity
77.9%
Wind
1 m/s
Pressure
1010.1 hPa
Direction
85°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
19° / 23°
Precip.
19.1mm
Max wind
5.9 m/s

Hourly Forecast

20.03
Now
Weather
22°
20.03
16:00
Weather
22°
20.03
17:00
Weather
22°
0.2
20.03
18:00
Weather
22°
20.03
19:00
Weather
21°
1.3
20.03
20:00
Weather
21°
0.8
20.03
21:00
Weather
21°
0.8
20.03
22:00
Weather
20°
0.4
20.03
23:00
Weather
20°
0.3
6
21.03
00:00
Weather
19°
0.4
21.03
01:00
Weather
19°
0.3
21.03
02:00
Weather
20°
21.03
03:00
Weather
21°
0.2
21.03
04:00
Weather
22°
0.4
21.03
05:00
Weather
23°
3
21.03
06:00
Weather
22°
8.6
21.03
07:00
Weather
20°
0.5
21.03
08:00
Weather
21°
0.2
21.03
09:00
Weather
22°
1.4
21.03
10:00
Weather
22°
21.03
11:00
Weather
22°
0.3
21.03
12:00
Weather
22°
21.03
13:00
Weather
21°
21.03
14:00
Weather
20°

Temperature

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

Precipitation

8.6mm
0mm
17:00
0.2mm
19:00
1.3mm
20:00
0.8mm
21:00
0.8mm
22:00
0.4mm
23:00
0.3mm
00:00
0.4mm
01:00
0.3mm
03:00
0.2mm
04:00
0.4mm
05:00
3mm
06:00
8.6mm
07:00
0.5mm
08:00
0.2mm
09:00
1.4mm
11:00
0.3mm
15:00 02:00 14:00

Wind

5.9m/s
0m/s
15:00
0.7 m/s
16:00
2.1 m/s
17:00
3.3 m/s
18:00
3.5 m/s
19:00
3.4 m/s
20:00
2.5 m/s
21:00
3.3 m/s
22:00
2.8 m/s
23:00
5.9 m/s
00:00
2.7 m/s
01:00
1.2 m/s
02:00
0.9 m/s
03:00
1.9 m/s
04:00
1.3 m/s
05:00
1.2 m/s
06:00
2.1 m/s
07:00
1.8 m/s
08:00
2.4 m/s
09:00
3 m/s
10:00
2.7 m/s
11:00
1.7 m/s
12:00
1.7 m/s
13:00
1.9 m/s
14:00
2.5 m/s
15:00 02:00 14:00

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
85 km
170
56.7%

Measurement time: 2026-03-20 14:30

Calculated from PM2.5/PM10

PM2.5
85 km
93 µg/m3
110.7%

Measurement time: 2026-03-20 14:30

source: Aqicn

PM10
85 km
46 µg/m3
32.9%

Measurement time: 2026-03-20 14:30

source: Aqicn

SO2
85 km
15.2 µg/m3
4.3%

Measurement time: 2026-03-20 14:30

source: Aqicn

NO2
85 km
3.6 µg/m3
1.8%

Measurement time: 2026-03-20 14:30

source: Aqicn

O3
85 km
1.7 µg/m3
1.1%

Measurement time: 2026-03-20 14:30

source: Aqicn

CO
85 km
0.0049 mg/m3
0%

Measurement time: 2026-03-20 14:30

source: Aqicn

Info


Country: India
Region: Bihar
Latitude: 25.58055
Longitude: 84.79751

Cities in the area:


Solar Energy

Night
0 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Koelwār

About Air Quality in Koelwār

Air quality in Koelwār 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 Koelwār

  • 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 Koelwār?

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 Koelwār

If you're planning outdoor activities in Koelwār, 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.