Is time to run? ⚠️☢️☣️

Samāstipur (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

Частково хмарно
12°C
Частково хмарно
Humidity
92.4%
Wind
2 m/s
Pressure
1018.8 hPa
Direction
250°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
10° / 21°
Precip.
0mm
Max wind
2.4 m/s

Hourly Forecast

31.01
Now
Weather
12°
31.01
18:00
Weather
12°
31.01
19:00
Weather
12°
31.01
20:00
Weather
12°
31.01
21:00
Weather
12°
31.01
22:00
Weather
11°
31.01
23:00
Weather
11°
01.02
00:00
Weather
11°
01.02
01:00
Weather
10°
01.02
02:00
Weather
12°
01.02
03:00
Weather
14°
01.02
04:00
Weather
16°
01.02
05:00
Weather
18°
01.02
06:00
Weather
19°
01.02
07:00
Weather
20°
01.02
08:00
Weather
21°
01.02
09:00
Weather
21°
01.02
10:00
Weather
21°
01.02
11:00
Weather
20°
01.02
12:00
Weather
17°
01.02
13:00
Weather
16°
01.02
14:00
Weather
15°
01.02
15:00
Weather
14°
01.02
16:00
Weather
14°

Temperature

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

Precipitation

0mm
0mm
17:00 04:00 16:00

Wind

2.4m/s
0m/s
17:00
1.7 m/s
18:00
1.8 m/s
19:00
1.9 m/s
20:00
1.9 m/s
21:00
1.8 m/s
22:00
1.8 m/s
23:00
1.9 m/s
00:00
1.7 m/s
01:00
1.6 m/s
02:00
2.2 m/s
03:00
1.8 m/s
04:00
1.8 m/s
05:00
2 m/s
06:00
2.3 m/s
07:00
2.4 m/s
08:00
2.2 m/s
09:00
2.2 m/s
10:00
2.2 m/s
11:00
1.5 m/s
12:00
1.8 m/s
13:00
2.1 m/s
14:00
2 m/s
15:00
2 m/s
16:00
2.1 m/s
17:00 04:00 16:00

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
78.8 km
198
66%

Measurement time: 2026-01-31 17:01

Calculated from PM2.5/PM10

PM2.5
78.8 km
147.36 µg/m3
175.4%

Measurement time: 2026-01-31 17:01

source: OpenWeatherMap

PM10
78.8 km
162.94 µg/m3
116.4%

Measurement time: 2026-01-31 17:01

source: OpenWeatherMap

O3
78.8 km
85.29 µg/m3
53.3%

Measurement time: 2026-01-31 17:01

source: OpenWeatherMap

CO
78.8 km
0.81174 mg/m3
5.8%

Measurement time: 2026-01-31 17:01

source: OpenWeatherMap

NO2
78.8 km
10.68 µg/m3
5.3%

Measurement time: 2026-01-31 17:01

source: OpenWeatherMap

SO2
78.8 km
2.55 µg/m3
0.7%

Measurement time: 2026-01-31 17:01

source: OpenWeatherMap

Info


Country: India
Region: Bihar
Latitude: 25.86222
Longitude: 85.77953


Solar Energy

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

About Air Quality in Samāstipur

Air quality in Samāstipur 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 Samāstipur

  • 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 Samāstipur?

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 Samāstipur

If you're planning outdoor activities in Samāstipur, 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.