Gangtok vs Rohtak
Side-by-side air quality comparison between Gangtok and Rohtak.
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 | Rohtak |
|---|---|---|
| PM2.5(µg/m³) | 33.90 | 71.00 |
| PM10(µg/m³) | 43.50 | 162.50 |
| NO₂(µg/m³) | 5.10 | 24.10 |
| SO₂(µg/m³) | 2.80 | 15.90 |
| O₃(µg/m³) | 130.00 | 69.00 |
| CO(µg/m³) | 360.00 | 618.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Rohtak averaged 148 — a 100-point (208%) gap, with Rohtak the more polluted and Gangtok the cleaner of the two. On 740 days when both cities reported, Gangtok was cleaner on 641 of them; the average daily gap was 100 AQI points.
Seasonality & days
Gangtok peaks in March, while Rohtak peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Rohtak 45 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Rohtak has improved by 123 AQI points (45.4%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Gangtok has better air quality with an AQI of 57 compared to Rohtak's 142. That's a significant difference of 85 points.