Kolār vs Siliguri
Side-by-side air quality comparison between Kolār 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, Kolār averaged an AQI of 65 while Siliguri averaged 81 — a 16-point (25%) gap, with Siliguri the more polluted and Kolār the cleaner of the two. On 900 days when both cities reported, Kolār was cleaner on 590 of them; the average daily gap was 68 AQI points.
Seasonality & days
Kolār peaks in September, while Siliguri peaks in February. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Siliguri 180 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).