Delhi vs Siliguri
Side-by-side air quality comparison between Delhi and Siliguri.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Siliguri averaged 81 — a 129-point (159%) gap, with Delhi the more polluted and Siliguri the cleaner of the two. On 1910 days when both cities reported, Siliguri was cleaner on 1865 of them; the average daily gap was 192 AQI points.
Seasonality & days
Delhi peaks in November, while Siliguri peaks in February. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Siliguri 180 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).