Gangtok vs Koppal
Side-by-side air quality comparison between Gangtok and Koppal.
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 | Koppal |
|---|---|---|
| PM2.5(µg/m³) | 36.20 | 5.70 |
| PM10(µg/m³) | 45.30 | 8.70 |
| NO₂(µg/m³) | 11.20 | 7.50 |
| SO₂(µg/m³) | 2.50 | 1.30 |
| O₃(µg/m³) | 101.00 | 35.00 |
| CO(µg/m³) | 522.00 | 145.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Koppal averaged 65 — a 17-point (35%) gap, with Koppal the more polluted and Gangtok the cleaner of the two. On 604 days when both cities reported, Gangtok was cleaner on 434 of them; the average daily gap was 33 AQI points.
Seasonality & days
Gangtok peaks in March, while Koppal peaks in February. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Koppal was 0% Severe and 85.5% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Koppal 47 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Koppal has improved by 31 AQI points (32.3%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Koppal hit AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Koppal spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Koppal has better air quality with an AQI of 10 compared to Gangtok's 61. That's a significant difference of 51 points.