Angul vs Gangtok
Side-by-side air quality comparison between Angul and Gangtok.
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 | Angul | Gangtok |
|---|---|---|
| PM2.5(µg/m³) | 65.90 | 36.20 |
| PM10(µg/m³) | 72.20 | 45.30 |
| NO₂(µg/m³) | 25.60 | 11.20 |
| SO₂(µg/m³) | 5.80 | 2.50 |
| O₃(µg/m³) | 19.00 | 101.00 |
| CO(µg/m³) | 715.00 | 522.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Angul averaged an AQI of 149 while Gangtok averaged 48 — a 101-point (210%) gap, with Angul the more polluted and Gangtok the cleaner of the two. On 311 days when both cities reported, Gangtok was cleaner on 304 of them; the average daily gap was 120 AQI points.
Seasonality & days
Angul peaks in January, while Gangtok peaks in March. Angul logged 0% Severe days and 32.1% Good-or-Satisfactory days; Gangtok was 0% Severe and 96.2% Good-or-Satisfactory. Longest clean-air streaks: Angul 23 days, Gangtok 94 days.
Year-over-year progress
Angul has improved by 89 AQI points (37.4%) from 2023 to 2024; Gangtok has worsened by 14 AQI points (41.2%) over the same window. The worst recorded day for Angul reached AQI 370 at Hakimapada (OSPCB) on 2024-01-29; Gangtok hit AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16.
Station-level disparity
Angul spans 1 CPCB stations with a 0-point spread (min 163, max 163); Gangtok spans 1 stations with a 0-point spread (min 50, max 50).
Verdict
🏆 Gangtok has better air quality with an AQI of 61 compared to Angul's 120. That's a significant difference of 59 points.