Kishanganj vs Siliguri
Side-by-side air quality comparison between Kishanganj 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Kishanganj | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 99.40 | 82.20 |
| PM10(µg/m³) | 102.00 | 105.70 |
| NO₂(µg/m³) | 19.70 | 15.40 |
| SO₂(µg/m³) | 12.20 | 6.50 |
| O₃(µg/m³) | 59.00 | 95.00 |
| CO(µg/m³) | 768.00 | 539.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kishanganj averaged an AQI of 144 while Siliguri averaged 81 — a 63-point (78%) gap, with Kishanganj the more polluted and Siliguri the cleaner of the two. On 560 days when both cities reported, Siliguri was cleaner on 508 of them; the average daily gap was 68 AQI points.
Seasonality & days
Kishanganj peaks in January, while Siliguri peaks in February. Kishanganj logged 0.2% Severe days and 37.099999999999994% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Kishanganj 23 days, Siliguri 180 days.
Year-over-year progress
Kishanganj has improved by 136 AQI points (48.6%) from 2021 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Kishanganj reached AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Kishanganj spans 1 CPCB stations with a 0-point spread (min 156, max 156); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Siliguri has better air quality with an AQI of 174 compared to Kishanganj's 232. That's a significant difference of 58 points.