Gangtok vs Sonipat
Side-by-side air quality comparison between Gangtok and Sonipat.
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 | Sonipat |
|---|---|---|
| PM2.5(µg/m³) | 33.90 | 80.80 |
| PM10(µg/m³) | 43.50 | 143.90 |
| NO₂(µg/m³) | 5.10 | 41.80 |
| SO₂(µg/m³) | 2.80 | 33.00 |
| O₃(µg/m³) | 130.00 | 63.00 |
| CO(µg/m³) | 360.00 | 675.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Sonipat averaged 134 — a 86-point (179%) gap, with Sonipat the more polluted and Gangtok the cleaner of the two. On 569 days when both cities reported, Gangtok was cleaner on 543 of them; the average daily gap was 111 AQI points.
Seasonality & days
Gangtok peaks in March, while Sonipat peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Sonipat was 0.8% Severe and 26.5% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Sonipat 21 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Sonipat has improved by 220 AQI points (62.1%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Sonipat hit AQI 455 at Murthal (HSPCB) on 2023-11-03.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Sonipat spans 1 stations with a 0-point spread (min 162, max 162).
Verdict
🏆 Gangtok has better air quality with an AQI of 57 compared to Sonipat's 170. That's a significant difference of 113 points.