Salem vs Siliguri
Side-by-side air quality comparison between Salem 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, Salem averaged an AQI of 68 while Siliguri averaged 81 — a 13-point (19%) gap, with Siliguri the more polluted and Salem the cleaner of the two. On 202 days when both cities reported, Salem was cleaner on 128 of them; the average daily gap was 41 AQI points.
Seasonality & days
Salem peaks in April, while Siliguri peaks in February. Salem logged 0% Severe days and 87.1% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Salem 17 days, Siliguri 180 days.
Year-over-year progress
Salem has improved by 5 AQI points (6.8%) from 2022 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Salem reached AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Salem spans 1 CPCB stations with a 0-point spread (min 73, max 73); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).