Gangtok vs Gwalior
Side-by-side air quality comparison between Gangtok and Gwalior.
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 | Gwalior |
|---|---|---|
| PM2.5(µg/m³) | 35.70 | 39.10 |
| PM10(µg/m³) | 45.20 | 89.40 |
| NO₂(µg/m³) | 8.70 | 12.30 |
| SO₂(µg/m³) | 2.60 | 6.20 |
| O₃(µg/m³) | 112.00 | 61.00 |
| CO(µg/m³) | 461.00 | 248.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Gwalior averaged 136 — a 88-point (183%) gap, with Gwalior the more polluted and Gangtok the cleaner of the two. On 442 days when both cities reported, Gangtok was cleaner on 440 of them; the average daily gap was 127 AQI points.
Seasonality & days
Gangtok peaks in March, while Gwalior peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Gwalior was 0.4% Severe and 31.5% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Gwalior 47 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Gwalior has improved by 12 AQI points (8.1%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Gwalior hit AQI 450 at City Center (MPPCB) on 2021-11-09.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Gwalior spans 4 stations with a 53-point spread (min 112, max 165).
Verdict
🏆 Gangtok has better air quality with an AQI of 60 compared to Gwalior's 90.