Gangtok vs Nārnaul
Side-by-side air quality comparison between Gangtok and Nārnaul.
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 | Nārnaul |
|---|---|---|
| PM2.5(µg/m³) | 35.70 | 45.40 |
| PM10(µg/m³) | 45.20 | 126.20 |
| NO₂(µg/m³) | 8.70 | 12.40 |
| SO₂(µg/m³) | 2.60 | 7.70 |
| O₃(µg/m³) | 112.00 | 86.00 |
| CO(µg/m³) | 461.00 | 365.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gangtok averaged an AQI of 48 while Nārnaul averaged 94 — a 46-point (96%) gap, with Nārnaul the more polluted and Gangtok the cleaner of the two. On 700 days when both cities reported, Gangtok was cleaner on 615 of them; the average daily gap was 72 AQI points.
Seasonality & days
Gangtok peaks in March, while Nārnaul peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Nārnaul 63 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).
Verdict
🏆 Gangtok has better air quality with an AQI of 60 compared to Nārnaul's 118. That's a significant difference of 58 points.