Gangtok vs Hassan
Side-by-side air quality comparison between Gangtok and Hassan.
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 | Hassan |
|---|---|---|
| PM2.5(µg/m³) | 35.70 | 2.80 |
| PM10(µg/m³) | 45.20 | 4.30 |
| NO₂(µg/m³) | 8.70 | 3.60 |
| SO₂(µg/m³) | 2.60 | 0.70 |
| O₃(µg/m³) | 112.00 | 40.00 |
| CO(µg/m³) | 461.00 | 121.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Hassan averaged 60 — a 12-point (25%) gap, with Hassan the more polluted and Gangtok the cleaner of the two. On 545 days when both cities reported, Gangtok was cleaner on 388 of them; the average daily gap was 25 AQI points.
Seasonality & days
Both cities see their worst air in March on average. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Hassan was 0% Severe and 92.5% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Hassan 51 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Hassan has improved by 4 AQI points (6.2%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Hassan hit AQI 212 at BKatihalli (KSPCB) on 2024-05-11.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Hassan spans 1 stations with a 0-point spread (min 63, max 63).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Gangtok's 60. That's a significant difference of 55 points.