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Sanjian

Hunantown

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Air quality index

110Unhealthy for Sensitive Groups
Coordinates27.54°, 111.35°

Demographic figures from National Bureau of Statistics of China. Overview below cites Wikipedia and may reference a different year.

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City facts

Overview

Within Hunan, China, Sanjian stands as a town. No reliable population estimate is published for this entry in the open data we rely on. Sanjian maps to 27.543°, 111.347° — squarely within the subtropical belt. Its latitude implies a climate characterised by hot summers and mild winters typical of the subtropics. Open solar datasets indicate about 1,175 kWh/m² of solar irradiance per year, combined with sunshine for roughly 46% of daylight hours. Read on for charts and tables covering demographics, climate, hazards, schools, wildlife and other open-data indicators for Sanjian.

Summary composed automatically from structured open data on this page. See our Terms for details.

History & geography

Geography

Latitude
27.5426
Longitude
111.3474
Water area
—
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Air quality

US AQI — Unhealthy for Sensitive Groups
110
PM2.5 (µg/m³)
41
PM10 (µg/m³)
41.1
Ozone (µg/m³)
135
NO₂ (µg/m³)
15

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
5
Distinct species (top 10)
5

Most-observed species

  • Spirobolus bungii Brandt, 1833
    Spirobolus bungii Brandt, 1833 · Diplopoda
    1
  • False Bream
    Pseudobrama simoni (Bleeker, 1864) · Animalia
    1
  • Common Kingfisher
    Alcedo atthis (Linnaeus, 1758) · Aves
    1
  • Light-vented Bulbul
    Pycnonotus sinensis (Gmelin, 1789) · Aves
    1
  • Eligma narcissus (Cramer, 1775)
    Eligma narcissus (Cramer, 1775) · Insecta
    1

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
1
Largest magnitude
4.6
Largest event
2025-10-03

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

Geography & sun

Avg solar (kWh/m²/day)
3.22
Annual solar (kWh/m²)
1,175

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Books about this place

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Events

Sources

  • • Wikidata
  • • Open-Meteo Air Quality (CAMS)
  • • USGS Earthquake Catalog (global feed)
  • • GBIF (Global Biodiversity Information Facility)
  • • Open-Meteo / sunrise-sunset.org