Imphal vs Siliguri
Side-by-side air quality comparison between Imphal 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, Imphal averaged an AQI of 110 while Siliguri averaged 81 — a 29-point (36%) gap, with Imphal the more polluted and Siliguri the cleaner of the two. On 505 days when both cities reported, Siliguri was cleaner on 379 of them; the average daily gap was 52 AQI points.
Seasonality & days
Imphal peaks in October, while Siliguri peaks in February. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Siliguri 180 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).