Kishanganj vs Silchar
Side-by-side air quality comparison between Kishanganj and Silchar.
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 | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 85.40 | 53.00 |
| PM10(µg/m³) | 88.50 | 63.80 |
| NO₂(µg/m³) | 13.00 | 13.90 |
| SO₂(µg/m³) | 11.50 | 7.50 |
| O₃(µg/m³) | 88.00 | 95.00 |
| CO(µg/m³) | 750.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kishanganj averaged an AQI of 144 while Silchar averaged 52 — a 92-point (177%) gap, with Kishanganj the more polluted and Silchar the cleaner of the two. On 566 days when both cities reported, Silchar was cleaner on 532 of them; the average daily gap was 98 AQI points.
Seasonality & days
Kishanganj peaks in January, while Silchar peaks in February. Kishanganj logged 0.2% Severe days and 37.099999999999994% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Kishanganj 23 days, Silchar 87 days.
Year-over-year progress
Kishanganj has improved by 136 AQI points (48.6%) from 2021 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Kishanganj reached AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Kishanganj spans 1 CPCB stations with a 0-point spread (min 156, max 156); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 89 compared to Kishanganj's 185. That's a significant difference of 96 points.