---
station_id: aurassure-12648
raw_id: 12648
name: "Siliguri CH"
city: "Siliguri"
state: ""
country: India
provider: aurassure
provider_name: "Aurassure University Clean Air Network"
lat: 26.746631
lon: 88.416452
aqi: 67
band: satisfactory
yll_years: 1.26
updated: 2026-11-12T16:05:12.214Z
updated_local: "12 Nov 2026, 21:35 IST"
source: https://oaq.notf.in
mirror: https://mugilu.live/s/aurassure/12648
---

# Siliguri CH: Air Quality

Current AQI: **67 (Satisfactory)** as of 12 Nov 2026, 21:35 IST.

Located in Siliguri, India. Source: **Aurassure University Clean Air Network** via OAQ.

## Pollutants

| Pollutant | Value | Unit |
|---|---|---|
| PM2.5 | 17.873 | µg/m³ |
| PM10 | 17.873 | µg/m³ |
| NO₂ | 16.7677 | µg/m³ |
| SO₂ | 54.0689 | µg/m³ |

## Estimated health impact (AQLI)

If this PM2.5 level (17.873 µg/m³) persisted as the annual average, the Air Quality Life Index estimates **1.26 years** of life expectancy lost vs. the WHO 5 µg/m³ guideline.

Formula: `max(0, PM2.5 − 5) × 0.098 years`. From Ebenstein et al. 2017 PNAS and Greenstone & Fan 2018 (U Chicago EPIC, [aqli.epic.uchicago.edu](https://aqli.epic.uchicago.edu)). This is a long-term exposure model applied to a live snapshot. Treat as an order-of-magnitude indication.

## Location

- Coordinates: 26.7466° N, 88.4165° E

## Source

Data from Aurassure University Clean Air Network via OAQ Data Broker (https://oaq.notf.in). Mirrored hourly. Licensed CC BY 4.0.

Part of an open-source mirror. See https://mugilu.live/about.