Siliguri vs Sonipat
Side-by-side air quality comparison between Siliguri and Sonipat.
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, Siliguri averaged an AQI of 81 while Sonipat averaged 134 — a 53-point (65%) gap, with Sonipat the more polluted and Siliguri the cleaner of the two. On 1360 days when both cities reported, Siliguri was cleaner on 1018 of them; the average daily gap was 89 AQI points.
Seasonality & days
Siliguri peaks in February, while Sonipat peaks in November. Siliguri logged 0.1% Severe days and 61.8% Good-or-Satisfactory days; Sonipat was 0.8% Severe and 26.5% Good-or-Satisfactory. Longest clean-air streaks: Siliguri 180 days, Sonipat 21 days.
Year-over-year progress
Siliguri has improved by 39 AQI points (32.5%) from 2018 to 2024; Sonipat has improved by 220 AQI points (62.1%) over the same window. The worst recorded day for Siliguri reached AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08; Sonipat hit AQI 455 at Murthal (HSPCB) on 2023-11-03.
Station-level disparity
Siliguri spans 1 CPCB stations with a 0-point spread (min 107, max 107); Sonipat spans 1 stations with a 0-point spread (min 162, max 162).