Gangtok vs Karur
Side-by-side air quality comparison between Gangtok and Karur.
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 | Karur |
|---|---|---|
| PM2.5(µg/m³) | 33.90 | 3.80 |
| PM10(µg/m³) | 43.50 | 4.20 |
| NO₂(µg/m³) | 5.10 | 6.80 |
| SO₂(µg/m³) | 2.80 | 3.00 |
| O₃(µg/m³) | 130.00 | 38.00 |
| CO(µg/m³) | 360.00 | 131.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Karur averaged 71 — a 23-point (48%) gap, with Karur the more polluted and Gangtok the cleaner of the two. On 35 days when both cities reported, Gangtok was cleaner on 26 of them; the average daily gap was 24 AQI points.
Seasonality & days
Gangtok peaks in March, while Karur peaks in December. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Karur spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Gangtok's 57. That's a significant difference of 51 points.