Gangtok vs Noida
Side-by-side air quality comparison between Gangtok and Noida.
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 | Noida |
|---|---|---|
| PM2.5(µg/m³) | 32.10 | 98.30 |
| PM10(µg/m³) | 42.60 | 478.70 |
| NO₂(µg/m³) | 2.40 | 17.30 |
| SO₂(µg/m³) | 2.90 | 20.40 |
| O₃(µg/m³) | 144.00 | 140.00 |
| CO(µg/m³) | 283.00 | 526.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Noida averaged 182 — a 134-point (279%) gap, with Noida the more polluted and Gangtok the cleaner of the two. On 457 days when both cities reported, Gangtok was cleaner on 457 of them; the average daily gap was 185 AQI points.
Seasonality & days
Gangtok peaks in March, while Noida peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Noida 14 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Gangtok has better air quality with an AQI of 54 compared to Noida's 429. That's a significant difference of 375 points.