Gangtok vs Tonk
Side-by-side air quality comparison between Gangtok and Tonk.
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 | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 28.90 | 25.20 |
| PM10(µg/m³) | 39.00 | 64.00 |
| NO₂(µg/m³) | 1.30 | 2.10 |
| SO₂(µg/m³) | 2.90 | 4.00 |
| O₃(µg/m³) | 150.00 | 81.00 |
| CO(µg/m³) | 258.00 | 155.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Tonk averaged 142 — a 94-point (196%) gap, with Tonk the more polluted and Gangtok the cleaner of the two. On 483 days when both cities reported, Gangtok was cleaner on 455 of them; the average daily gap was 91 AQI points.
Seasonality & days
Gangtok peaks in March, while Tonk peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Tonk 11 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Gangtok has better air quality with an AQI of 48 compared to Tonk's 65.