Angul vs Siliguri
Side-by-side air quality comparison between Angul and Siliguri.
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 | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 65.90 | 82.20 |
| PM10(µg/m³) | 72.20 | 105.70 |
| NO₂(µg/m³) | 25.60 | 15.40 |
| SO₂(µg/m³) | 5.80 | 6.50 |
| O₃(µg/m³) | 19.00 | 95.00 |
| CO(µg/m³) | 715.00 | 539.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Angul averaged an AQI of 149 while Siliguri averaged 81 — a 68-point (84%) gap, with Angul the more polluted and Siliguri the cleaner of the two. On 334 days when both cities reported, Siliguri was cleaner on 301 of them; the average daily gap was 70 AQI points.
Seasonality & days
Angul peaks in January, while Siliguri peaks in February. Angul logged 0% Severe days and 32.1% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Angul 23 days, Siliguri 180 days.
Year-over-year progress
Angul has improved by 89 AQI points (37.4%) from 2023 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Angul reached AQI 370 at Hakimapada (OSPCB) on 2024-01-29; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Angul spans 1 CPCB stations with a 0-point spread (min 163, max 163); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Angul has better air quality with an AQI of 120 compared to Siliguri's 174. That's a significant difference of 54 points.