Gangtok vs Sirsa
Side-by-side air quality comparison between Gangtok and Sirsa.
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 | Sirsa |
|---|---|---|
| PM2.5(µg/m³) | 33.90 | 70.50 |
| PM10(µg/m³) | 43.50 | 238.00 |
| NO₂(µg/m³) | 5.10 | 27.50 |
| SO₂(µg/m³) | 2.80 | 8.40 |
| O₃(µg/m³) | 130.00 | 54.00 |
| CO(µg/m³) | 360.00 | 316.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Sirsa averaged 115 — a 67-point (140%) gap, with Sirsa the more polluted and Gangtok the cleaner of the two. On 404 days when both cities reported, Gangtok was cleaner on 387 of them; the average daily gap was 83 AQI points.
Seasonality & days
Gangtok peaks in March, while Sirsa peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Sirsa 40 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Sirsa has improved by 48 AQI points (29.4%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Gangtok has better air quality with an AQI of 57 compared to Sirsa's 192. That's a significant difference of 135 points.