Pincode ReportIndia · beta

801304 — Arai, Patna, Bihar

Post offices in this pincode

  • Arai
  • Top
  • Korari
  • Merhma
  • Musarhi
  • Diyawan
  • Bahapar
  • Makrauta
  • Salempur
  • Daniyawan
  • Sigaryawn
  • Makhdumpur
  • Karaipersurai

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(Google, NASA, WRI, ESA, WorldPop, OpenStreetMap and others), is shown as received or modelled, and may be incomplete, outdated or inaccurate.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 ~141 µg/m³, ~2× India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 40°C)
  • Monsoon: Jun–Sep (727 mm)
  • Muggy months: Aug–Oct
PM2.5 µg/m³16984High °C4420Jan: PM2.5 154 µg/m³ (Very poor)Feb: PM2.5 94 µg/m³ (Poor)Mar: PM2.5 59 µg/m³ (Satisfactory)Apr: PM2.5 50 µg/m³ (Satisfactory)May: PM2.5 48 µg/m³ (Satisfactory)Jun: PM2.5 41 µg/m³ (Satisfactory)Jul: PM2.5 34 µg/m³ (Satisfactory)Aug: PM2.5 31 µg/m³ (Satisfactory)Sep: PM2.5 33 µg/m³ (Satisfactory)Oct: PM2.5 56 µg/m³ (Satisfactory)Nov: PM2.5 113 µg/m³ (Poor)Dec: PM2.5 156 µg/m³ (Very poor)Jan: high 24.1°C, humidity 56%Feb: high 29.1°C, humidity 41%Mar: high 35.8°C, humidity 32%Apr: high 41.1°C, humidity 25%May: high 40.2°C, humidity 40%Jun: high 40.1°C, humidity 49%Jul: high 35.1°C, humidity 74%Aug: high 32.9°C, humidity 82%Sep: high 31.8°C, humidity 85%Oct: high 30.9°C, humidity 79%Nov: high 27.6°C, humidity 69%Dec: high 24.1°C, humidity 67%Jan: 3 mm rainFeb: 10 mm rainMar: 9 mm rainApr: 13 mm rainMay: 79 mm rainJun: 143 mm rainJul: 193 mm rainAug: 245 mm rainSep: 147 mm rainOct: 95 mm rainNov: 1 mm rainDec: 4 mm rainRainJFMAMJJASOND

Jan: PM2.5 154 µg/m³ (Very poor) high 24°C humidity 56% rain 3 mm; Feb: PM2.5 94 µg/m³ (Poor) high 29°C humidity 41% rain 10 mm; Mar: PM2.5 59 µg/m³ (Satisfactory) high 36°C humidity 32% rain 9 mm; Apr: PM2.5 50 µg/m³ (Satisfactory) high 41°C humidity 25% rain 13 mm; May: PM2.5 48 µg/m³ (Satisfactory) high 40°C humidity 40% rain 79 mm; Jun: PM2.5 41 µg/m³ (Satisfactory) high 40°C humidity 49% rain 143 mm; Jul: PM2.5 34 µg/m³ (Satisfactory) high 35°C humidity 74% rain 193 mm; Aug: PM2.5 31 µg/m³ (Satisfactory) high 33°C humidity 82% rain 245 mm; Sep: PM2.5 33 µg/m³ (Satisfactory) high 32°C humidity 85% rain 147 mm; Oct: PM2.5 56 µg/m³ (Satisfactory) high 31°C humidity 79% rain 95 mm; Nov: PM2.5 113 µg/m³ (Poor) high 28°C humidity 69% rain 1 mm; Dec: PM2.5 156 µg/m³ (Very poor) high 24°C humidity 67% rain 4 mm.

Month-by-month figures
MonthPM2.5High °CRH %Rain mm
Jan15424.1563
Feb9429.14110
Mar5935.8329
Apr5041.12513
May4840.24079
Jun4140.149143
Jul3435.174193
Aug3132.982245
Sep3331.885147
Oct5630.97995
Nov11327.6691
Dec15624.1674

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

Environment & water risk

Air

weight 24%

20

Year-round PM2.5 averages 73 µg/m³, rising to 141 in Nov–Jan. Today's AQI isn't scored.

Annual PM2.5 (2022–2024 avg)
72.6 µg/m³ · 14.5× WHO guideline
Worst season (Nov–Jan, 2022–2024 avg)
140.9 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%

100

50% of land within 500 m is green (tree cover 6%).

Green · 500 m (2021 satellite map)
50.4%
Trees · 500 m (2021 satellite map)
6.1%
Measured

Heat

weight 12%

23

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

Heat-stress days a year
172.2 (hot 58.0, muggy 132.6), 2021–2025 avg
Hottest typical day
46.0°C · average annual maximum
Source
NASA POWER (MERRA-2)
Summer surface temp (satellite, ~1:30 pm)
40.6°C
Compared with 25 km surroundings
0.1°C cooler
Satellite observations
49, 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 ~141 µg/m³, ~2× India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 40°C)
  • Monsoon: Jun–Sep (727 mm)
  • Muggy months: Aug–Oct

For owners & buyers

  • Mostly undeveloped in 2016: footprint +31.6%
  • Night brightness 2019→2025: +15.1% (state median +43.0%) · Below the state trend · NASA Black Marble (VNP46A4)
  • Annual PM2.5 (2022–2024 avg): 72.6 µg/m³ · 14.5× WHO guideline
  • Moderate: 1,334 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.
  • 50% of land within 500 m is green (tree cover 6%).
  • 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: High (40–80%) (baseline); projected High (40–80%) by 2050 (business as usual). WRI Aqueduct 4.0; catchment-level.
  • Green-cover trend coming later
Score a specific building in 801304