Puducherry vs Siliguri
Side-by-side air quality comparison between Puducherry 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, Puducherry averaged an AQI of 55 while Siliguri averaged 81 — a 26-point (47%) gap, with Siliguri the more polluted and Puducherry the cleaner of the two. On 929 days when both cities reported, Puducherry was cleaner on 635 of them; the average daily gap was 55 AQI points.
Seasonality & days
Puducherry peaks in December, while Siliguri peaks in February. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Siliguri 180 days.
Year-over-year progress
Puducherry has worsened by 1 AQI points (1.9%) from 2021 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).