Pincode ReportIndia · beta

621805 — Thennur, Ariyalur, Tamil Nadu

Post offices in this pincode

  • Thennur
  • Kilaneduvoi
  • Tirukalappur
  • Periakrishnapuram
  • Varadarajampettai

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(Google, NASA, WRI, ESA, WorldPop, OpenStreetMap and others), is shown as received or modelled, and may be incomplete, outdated or inaccurate.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 ~34 µg/m³, below India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 36°C)
  • Monsoon: Oct–Nov (526 mm)
  • Muggy months: Feb, Oct
PM2.5 µg/m³6532High °C4024Jan: PM2.5 33 µg/m³ (Satisfactory)Feb: PM2.5 33 µg/m³ (Satisfactory)Mar: PM2.5 33 µg/m³ (Satisfactory)Apr: PM2.5 26 µg/m³ (Good)May: PM2.5 26 µg/m³ (Good)Jun: PM2.5 18 µg/m³ (Good)Jul: PM2.5 19 µg/m³ (Good)Aug: PM2.5 21 µg/m³ (Good)Sep: PM2.5 20 µg/m³ (Good)Oct: PM2.5 32 µg/m³ (Satisfactory)Nov: PM2.5 34 µg/m³ (Satisfactory)Dec: PM2.5 35 µg/m³ (Satisfactory)Jan: high 28.8°C, humidity 82%Feb: high 31.6°C, humidity 75%Mar: high 35.4°C, humidity 67%Apr: high 37.4°C, humidity 63%May: high 36.1°C, humidity 67%Jun: high 35.4°C, humidity 66%Jul: high 35.4°C, humidity 65%Aug: high 34.1°C, humidity 71%Sep: high 33.6°C, humidity 73%Oct: high 31.6°C, humidity 81%Nov: high 29.0°C, humidity 87%Dec: high 28.5°C, humidity 86%Jan: 58 mm rainFeb: 16 mm rainMar: 20 mm rainApr: 24 mm rainMay: 101 mm rainJun: 71 mm rainJul: 80 mm rainAug: 129 mm rainSep: 109 mm rainOct: 196 mm rainNov: 330 mm rainDec: 116 mm rainRainJFMAMJJASOND

Jan: PM2.5 33 µg/m³ (Satisfactory) high 29°C humidity 82% rain 58 mm; Feb: PM2.5 33 µg/m³ (Satisfactory) high 32°C humidity 75% rain 16 mm; Mar: PM2.5 33 µg/m³ (Satisfactory) high 35°C humidity 67% rain 20 mm; Apr: PM2.5 26 µg/m³ (Good) high 37°C humidity 63% rain 24 mm; May: PM2.5 26 µg/m³ (Good) high 36°C humidity 67% rain 101 mm; Jun: PM2.5 18 µg/m³ (Good) high 35°C humidity 66% rain 71 mm; Jul: PM2.5 19 µg/m³ (Good) high 35°C humidity 65% rain 80 mm; Aug: PM2.5 21 µg/m³ (Good) high 34°C humidity 71% rain 129 mm; Sep: PM2.5 20 µg/m³ (Good) high 34°C humidity 73% rain 109 mm; Oct: PM2.5 32 µg/m³ (Satisfactory) high 32°C humidity 81% rain 196 mm; Nov: PM2.5 34 µg/m³ (Satisfactory) high 29°C humidity 87% rain 330 mm; Dec: PM2.5 35 µg/m³ (Satisfactory) high 29°C humidity 86% rain 116 mm.

Month-by-month figures
MonthPM2.5High °CRH %Rain mm
Jan3328.88258
Feb3331.67516
Mar3335.46720
Apr2637.46324
May2636.167101
Jun1835.46671
Jul1935.46580
Aug2134.171129
Sep2033.673109
Oct3231.681196
Nov3429.087330
Dec3528.586116

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

Environment & water risk

Air

weight 24%

66

Year-round PM2.5 averages 27 µg/m³, rising to 34 in Nov–Jan. Today's AQI isn't scored.

Annual PM2.5 (2022–2024 avg)
26.8 µg/m³ · 5.4× WHO guideline
Worst season (Nov–Jan, 2022–2024 avg)
34.1 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
0.8%
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

70% of land within 500 m is green (tree cover 27%).

Green · 500 m (2021 satellite map)
69.6%
Trees · 500 m (2021 satellite map)
26.7%
Measured

Heat

weight 12%

48

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

Heat-stress days a year
126.6 (hot 6.0, muggy 126.4), 2021–2025 avg
Hottest typical day
41.1°C · average annual maximum
Source
NASA POWER (MERRA-2)
Summer surface temp (satellite, ~1:30 pm)
41.9°C
Compared with 25 km surroundings
1.8°C warmer
Satellite observations
43, 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 ~34 µg/m³, below India's daily limit of 60; WHO's daily guideline is 15)
  • Hottest: Apr–Jun (avg high 36°C)
  • Monsoon: Oct–Nov (526 mm)
  • Muggy months: Feb, Oct

For owners & buyers

  • Low-light area; trend not reliable
  • Annual PM2.5 (2022–2024 avg): 26.8 µg/m³ · 5.4× WHO guideline
  • Sparse: 750 people/km² within 1 km · WorldPop 2026
  • Outside the modelled 1-in-100-year river/coastal flood extent; 1% intermittent surface water within 250 m; local elevation comparison unavailable.
  • 70% of land within 500 m is green (tree cover 27%).
  • 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: Medium–high (20–40%) (baseline); projected High (40–80%) by 2050 (business as usual). WRI Aqueduct 4.0; catchment-level.
  • Green-cover trend coming later
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