Gangtok vs Kanchipuram
Side-by-side air quality comparison between Gangtok and Kanchipuram.
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 | Gangtok | Kanchipuram |
|---|---|---|
| PM2.5(µg/m³) | 35.70 | 9.40 |
| PM10(µg/m³) | 45.20 | 11.10 |
| NO₂(µg/m³) | 8.70 | 10.40 |
| SO₂(µg/m³) | 2.60 | 4.60 |
| O₃(µg/m³) | 112.00 | 44.00 |
| CO(µg/m³) | 461.00 | 243.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Kanchipuram averaged 51 — a 3-point (6%) gap, with Kanchipuram the more polluted and Gangtok the cleaner of the two. On 282 days when both cities reported, Gangtok was cleaner on 146 of them; the average daily gap was 25 AQI points.
Seasonality & days
Gangtok peaks in March, while Kanchipuram peaks in February. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Kanchipuram 18 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Kanchipuram has improved by 18 AQI points (26.1%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Gangtok's 60.