Kanchipuram vs Silchar
Side-by-side air quality comparison between Kanchipuram 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 | Kanchipuram | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 9.40 | 53.00 |
| PM10(µg/m³) | 11.10 | 63.80 |
| NO₂(µg/m³) | 10.40 | 13.90 |
| SO₂(µg/m³) | 4.60 | 7.50 |
| O₃(µg/m³) | 44.00 | 95.00 |
| CO(µg/m³) | 243.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Silchar averaged 52 — a 1-point (2%) gap, with Silchar the more polluted and Kanchipuram the cleaner of the two. On 282 days when both cities reported, Silchar was cleaner on 162 of them; the average daily gap was 20 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Silchar 87 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Silchar's 89. That's a significant difference of 73 points.