CPCB

Samastipur Air Quality Index & Realtime Air Pollution

Lat: 25.8622 · Lon: 85.7795
Elevation: m · Offset: 19800s
AQI Score & Core Metrics
152
Unhealthy(US-AQI standard)
050100150200300500
Good (0-50)Moderate (51-100)Poor (101-150)Unhealthy (151-200)Severe (201-300)Hazardous (301+)
PM2.540.9 µg/m³
PM1068.5 µg/m³
Weather & Climate Summary

Current Conditions

32°C

Humidity: 72%

UV Index0.2
Wind Speed3.4 km/h

Primary Air Pollutants Samastipur (Bihar)

PollutantConcentrationDetails
PM2.541 µg/m³Fine particles
PM1069 µg/m³Coarse particles
SO₂14 µg/m³Sulphur dioxide
CO372 µg/m³Carbon monoxide
NO₂8 µg/m³Nitrogen dioxide
O₃165 µg/m³Ozone

Hourly forecast Samastipur (Bihar)

TimeTempCondition
Now32°COvercastOvercast
18:0031°CPartly cloudyPartly cloudy
19:0030°COvercastOvercast
20:0030°CPartly cloudyPartly cloudy
21:0029°COvercastOvercast
22:0029°COvercastOvercast
23:0029°COvercastOvercast
00:0027°CModerate drizzleModerate drizzle
01:0027°CLight drizzleLight drizzle
02:0027°CPartly cloudyPartly cloudy
03:0027°CLight drizzleLight drizzle
04:0026°CDense drizzleDense drizzle
05:0026°CDense drizzleDense drizzle
06:0027°CLight drizzleLight drizzle
07:0028°CPartly cloudyPartly cloudy
08:0030°COvercastOvercast
09:0031°COvercastOvercast
10:0032°COvercastOvercast
11:0032°CLight drizzleLight drizzle
12:0033°CLight drizzleLight drizzle
13:0033°CThunderstormThunderstorm
14:0033°CLight drizzleLight drizzle
15:0032°CThunderstormThunderstorm
16:0029°CThunderstorm with slight hailThunderstorm with slight hail

Health Recommendations

Based on current air quality: Unhealthy · AQI 152

Unhealthy
  • Air PurifierTurn On
  • Car FilterMust
  • N95 MaskMust
  • Stay IndoorMust
Outdoor Activity Guidelines

Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects. Active children, adults, and people with respiratory diseases should avoid prolonged outdoor exertion.

Standard: US EPA AQI ScaleUpdated: Live
Cigarette Equivalent

1.9 per day

Equates to breathing local air

Weekly Exposure

13.3 cigarettes

Monthly Exposure

57 cigarettes

Risk Assessments

Prevent Health Problems

High RiskHeadaches

Risk is High for Unhealthy conditions (AQI 152).

Common Symptoms

You may observe: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do's
  • Choose indoor, clean indoor air when the AQI is elevated.
  • Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
  • If you Make use of prescribed migraine meds, Keep close them accessible.
Don'ts
  • Try not to do intense outdoor exercise during worse AQI periods.
  • Don’t ignore worsening symptoms that feel unusual for you.
AQI Graph

Historical AQI Data Samastipur (Bihar)

151
Min. AQIat 1:00 PM on 13th Jul
155
Max. AQIat 8:00 AM on 14th Jul
13-07-2026Time14-07-2026

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Air Quality FAQs at Samastipur, Bihar

The current real-time AQI (US) level in Samastipur, Bihar is 152 (Unhealthy). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Samastipur, Bihar have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are unhealthy for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.