Pincode ReportIndia · beta

631210 — Mannur, Thiruvallur, Tamil Nadu

Post offices in this pincode

  • Mannur
  • Pakasala
  • Athipattu
  • Palayanur
  • Kunnavalam
  • Vyasapuram
  • Chinnammapet
  • Kaverirajapuram
  • Peddakalakattur
  • Harichandrapuram
  • Kurmavilasapuram
  • Veeraraghavapuram
  • Tiruvelangadu

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(Google, NASA, WRI, ESA, WorldPop, OpenStreetMap and others), is shown as received or modelled, and may be incomplete, outdated or inaccurate.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 ~39 µg/m³, below India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 36°C)
  • Monsoon: Oct–Dec (806 mm)
  • Muggy months: Aug–Oct
PM2.5 µg/m³6532High °C3923Jan: PM2.5 39 µg/m³ (Satisfactory)Feb: PM2.5 37 µg/m³ (Satisfactory)Mar: PM2.5 32 µg/m³ (Satisfactory)Apr: PM2.5 26 µg/m³ (Good)May: PM2.5 28 µg/m³ (Good)Jun: PM2.5 22 µg/m³ (Good)Jul: PM2.5 16 µg/m³ (Good)Aug: PM2.5 24 µg/m³ (Good)Sep: PM2.5 20 µg/m³ (Good)Oct: PM2.5 35 µg/m³ (Satisfactory)Nov: PM2.5 38 µg/m³ (Satisfactory)Dec: PM2.5 40 µg/m³ (Satisfactory)Jan: high 27.8°C, humidity 80%Feb: high 30.1°C, humidity 74%Mar: high 34.0°C, humidity 69%Apr: high 36.3°C, humidity 66%May: high 35.6°C, humidity 68%Jun: high 34.7°C, humidity 68%Jul: high 33.7°C, humidity 72%Aug: high 32.4°C, humidity 77%Sep: high 31.8°C, humidity 79%Oct: high 30.4°C, humidity 82%Nov: high 28.6°C, humidity 85%Dec: high 27.8°C, humidity 84%Jan: 52 mm rainFeb: 5 mm rainMar: 15 mm rainApr: 15 mm rainMay: 65 mm rainJun: 125 mm rainJul: 137 mm rainAug: 178 mm rainSep: 137 mm rainOct: 212 mm rainNov: 388 mm rainDec: 206 mm rainRainJFMAMJJASOND

Jan: PM2.5 39 µg/m³ (Satisfactory) high 28°C humidity 80% rain 52 mm; Feb: PM2.5 37 µg/m³ (Satisfactory) high 30°C humidity 74% rain 5 mm; Mar: PM2.5 32 µg/m³ (Satisfactory) high 34°C humidity 69% rain 15 mm; Apr: PM2.5 26 µg/m³ (Good) high 36°C humidity 66% rain 15 mm; May: PM2.5 28 µg/m³ (Good) high 36°C humidity 68% rain 65 mm; Jun: PM2.5 22 µg/m³ (Good) high 35°C humidity 68% rain 125 mm; Jul: PM2.5 16 µg/m³ (Good) high 34°C humidity 72% rain 137 mm; Aug: PM2.5 24 µg/m³ (Good) high 32°C humidity 77% rain 178 mm; Sep: PM2.5 20 µg/m³ (Good) high 32°C humidity 79% rain 137 mm; Oct: PM2.5 35 µg/m³ (Satisfactory) high 30°C humidity 82% rain 212 mm; Nov: PM2.5 38 µg/m³ (Satisfactory) high 29°C humidity 85% rain 388 mm; Dec: PM2.5 40 µg/m³ (Satisfactory) high 28°C humidity 84% rain 206 mm.

Month-by-month figures
MonthPM2.5High °CRH %Rain mm
Jan3927.88052
Feb3730.1745
Mar3234.06915
Apr2636.36615
May2835.66865
Jun2234.768125
Jul1633.772137
Aug2432.477178
Sep2031.879137
Oct3530.482212
Nov3828.685388
Dec4027.884206

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

Environment & water risk

Air

weight 24%

63

Year-round PM2.5 averages 29 µg/m³, rising to 39 in Nov–Jan. Today's AQI isn't scored.

Annual PM2.5 (2022–2024 avg)
29.5 µg/m³ · 5.9× WHO guideline
Worst season (Nov–Jan, 2022–2024 avg)
38.8 µg/m³ · 0.6× 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

77% of land within 500 m is green (tree cover 44%).

Green · 500 m (2021 satellite map)
76.7%
Trees · 500 m (2021 satellite map)
44.3%
Measured

Heat

weight 12%

27

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

Heat-stress days a year
164.2 (hot 2.0, muggy 164.2), 2021–2025 avg
Hottest typical day
40.0°C · average annual maximum
Source
NASA POWER (MERRA-2)
Summer surface temp (satellite, ~1:30 pm)
41.0°C
Compared with 25 km surroundings
0.5°C warmer
Satellite observations
40, 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 ~39 µg/m³, below India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 36°C)
  • Monsoon: Oct–Dec (806 mm)
  • Muggy months: Aug–Oct

For owners & buyers

  • Low-light area; trend not reliable
  • Annual PM2.5 (2022–2024 avg): 29.5 µg/m³ · 5.9× WHO guideline
  • Sparse: 373 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.
  • 77% of land within 500 m is green (tree cover 44%).
  • 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
Score a specific building in 631210