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841427 — Koini, Gopalganj, Bihar

Post offices in this pincode

  • Koini
  • Pathra
  • Gausia
  • Nimuiya
  • Mungarha
  • Bhaisahi
  • Purdiltola
  • Rachhopali
  • KSrirampur
  • Manjhariya
  • Dharamparsa
  • Parsurampur
  • Garhmanjha

Nearby pincodes

Information only. Data comes from third-party and open sources (Google, NASA, WRI, ESA, WorldPop, OpenStreetMap and others), is shown as received or modelled, and may be incomplete, outdated or inaccurate. It is not professional, legal, financial, property or health advice. Verify independently before making decisions. Full disclaimer →

Year-round

Typical month · PM2.5 2022–2024, climate 2021–2025 averages

  • Worst air: Nov–Jan (PM2.5 ~138 µg/m³, ~2× India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 40°C)
  • Monsoon: Jun–Oct (978 mm)
  • Muggy months: Jul–Oct
PM2.5 µg/m³15879High °C4319Jan: PM2.5 146 µg/m³ (Very poor)Feb: PM2.5 104 µg/m³ (Poor)Mar: PM2.5 67 µg/m³ (Moderate)Apr: PM2.5 64 µg/m³ (Moderate)May: PM2.5 55 µg/m³ (Satisfactory)Jun: PM2.5 51 µg/m³ (Satisfactory)Jul: PM2.5 34 µg/m³ (Satisfactory)Aug: PM2.5 26 µg/m³ (Good)Sep: PM2.5 35 µg/m³ (Satisfactory)Oct: PM2.5 57 µg/m³ (Satisfactory)Nov: PM2.5 126 µg/m³ (Very poor)Dec: PM2.5 142 µg/m³ (Very poor)Jan: high 23.8°C, humidity 59%Feb: high 28.2°C, humidity 45%Mar: high 35.1°C, humidity 33%Apr: high 40.3°C, humidity 25%May: high 39.3°C, humidity 41%Jun: high 39.5°C, humidity 51%Jul: high 34.9°C, humidity 76%Aug: high 32.6°C, humidity 84%Sep: high 31.6°C, humidity 86%Oct: high 30.1°C, humidity 82%Nov: high 27.2°C, humidity 74%Dec: high 23.9°C, humidity 69%Jan: 3 mm rainFeb: 8 mm rainMar: 12 mm rainApr: 17 mm rainMay: 96 mm rainJun: 143 mm rainJul: 237 mm rainAug: 308 mm rainSep: 172 mm rainOct: 118 mm rainNov: 1 mm rainDec: 5 mm rainRainJFMAMJJASOND

Jan: PM2.5 146 µg/m³ (Very poor) high 24°C humidity 59% rain 3 mm; Feb: PM2.5 104 µg/m³ (Poor) high 28°C humidity 45% rain 8 mm; Mar: PM2.5 67 µg/m³ (Moderate) high 35°C humidity 33% rain 12 mm; Apr: PM2.5 64 µg/m³ (Moderate) high 40°C humidity 25% rain 17 mm; May: PM2.5 55 µg/m³ (Satisfactory) high 39°C humidity 41% rain 96 mm; Jun: PM2.5 51 µg/m³ (Satisfactory) high 39°C humidity 51% rain 143 mm; Jul: PM2.5 34 µg/m³ (Satisfactory) high 35°C humidity 76% rain 237 mm; Aug: PM2.5 26 µg/m³ (Good) high 33°C humidity 84% rain 308 mm; Sep: PM2.5 35 µg/m³ (Satisfactory) high 32°C humidity 86% rain 172 mm; Oct: PM2.5 57 µg/m³ (Satisfactory) high 30°C humidity 82% rain 118 mm; Nov: PM2.5 126 µg/m³ (Very poor) high 27°C humidity 74% rain 1 mm; Dec: PM2.5 142 µg/m³ (Very poor) high 24°C humidity 69% rain 5 mm.

Month-by-month figures
MonthPM2.5High °CRH %Rain mm
Jan14623.8593
Feb10428.2458
Mar6735.13312
Apr6440.32517
May5539.34196
Jun5139.551143
Jul3434.976237
Aug2632.684308
Sep3531.686172
Oct5730.182118
Nov12627.2741
Dec14223.9695

Sources: ACAG/WashU V6.GL.03 monthly PM2.5 (CC BY 4.0) · NASA POWER (MERRA-2)

Environment & water risk

Air

weight 24%

19

Year-round PM2.5 averages 76 µg/m³, rising to 138 in Nov–Jan. Today's AQI isn't scored.

Annual PM2.5 (2022–2024 avg)
75.8 µg/m³ · 15.2× WHO guideline
Worst season (Nov–Jan, 2022–2024 avg)
138.2 µg/m³ · 2.3× India's daily limit (60)
Modelled

River & coastal flood

weight 12%

100

No river or coastal flood risk in the model. Urban waterlogging from drains isn't covered yet.

100-year inundation depth
0.00 m
Intermittent water · 250 m
0.0%
Elevation vs surroundings
Unavailable; penalty not assessed
Sources
WRI Aqueduct v2 · EC JRC v1.4
2050 · high emissions · 100-year flood
0.00 m (scenario, not forecast)

Flood model ignores local drains and defences; not observed street waterlogging.

Modelled

Green

weight 8%

16

3% of land within 500 m is green (tree cover 3%).

Green · 500 m (2021 satellite map)
3.2%
Trees · 500 m (2021 satellite map)
2.8%
Measured

Heat

weight 12%

30

159.6 heat-stress days a year on average, 2021–2025; scored relative to India's climate distribution.

Heat-stress days a year
159.6 (hot 49.6, muggy 124.4), 2021–2025 avg
Hottest typical day
45.2°C · average annual maximum
Source
NASA POWER (MERRA-2)
Summer surface temp (satellite, ~1:30 pm)
38.9°C
Compared with 25 km surroundings
0.4°C warmer
Satellite observations
45, 5 of 5 summers
Surface source (information only)
NASA Aqua MYD11A2 v061
Modelled

Good to know

Through the year

  • Worst air: Nov–Jan (PM2.5 ~138 µg/m³, ~2× India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 40°C)
  • Monsoon: Jun–Oct (978 mm)
  • Muggy months: Jul–Oct

For owners & buyers

  • Night brightness 2019→2025: +75.2% (state median +43.0%) · Above the state trend · NASA Black Marble (VNP46A4)
  • Annual PM2.5 (2022–2024 avg): 75.8 µg/m³ · 15.2× WHO guideline
  • Very dense: 24,088 people/km² within 1 km · WorldPop 2026
  • Outside the modelled 1-in-100-year river/coastal flood extent; 0% intermittent surface water within 250 m; local elevation comparison unavailable.
  • 3% of land within 500 m is green (tree cover 3%).
  • 2050 outlook (high-emissions scenario): none in the model in a 1-in-100-year flood (today: none in the model). Scenario, not a forecast.
  • Water stress: Extremely high (>80%) (baseline); projected Extremely high (>80%) by 2050 (business as usual). WRI Aqueduct 4.0; catchment-level.
  • Green-cover trend coming later
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