Angul vs Coimbatore
Side-by-side air quality comparison between Angul and Coimbatore.
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 | Coimbatore |
|---|---|---|
| PM2.5(µg/m³) | 65.90 | 2.50 |
| PM10(µg/m³) | 72.20 | 3.00 |
| NO₂(µg/m³) | 25.60 | 4.60 |
| SO₂(µg/m³) | 5.80 | 2.00 |
| O₃(µg/m³) | 19.00 | 40.00 |
| CO(µg/m³) | 715.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Angul averaged an AQI of 149 while Coimbatore averaged 66 — a 83-point (126%) gap, with Angul the more polluted and Coimbatore the cleaner of the two. On 277 days when both cities reported, Coimbatore was cleaner on 247 of them; the average daily gap was 87 AQI points.
Seasonality & days
Angul peaks in January, while Coimbatore peaks in November. Angul logged 0% Severe days and 32.1% Good-or-Satisfactory days; Coimbatore was 0% Severe and 90.5% Good-or-Satisfactory. Longest clean-air streaks: Angul 23 days, Coimbatore 32 days.
Year-over-year progress
Angul has improved by 89 AQI points (37.4%) from 2023 to 2024; Coimbatore has improved by 5 AQI points (7%) over the same window. The worst recorded day for Angul reached AQI 370 at Hakimapada (OSPCB) on 2024-01-29; Coimbatore hit AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28.
Station-level disparity
Angul spans 1 CPCB stations with a 0-point spread (min 163, max 163); Coimbatore spans 2 stations with a 1-point spread (min 63, max 64).
Verdict
🏆 Coimbatore has better air quality with an AQI of 4 compared to Angul's 120. That's a significant difference of 116 points.