Coimbatore vs Durgapur
Side-by-side air quality comparison between Coimbatore and Durgapur.
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 | Coimbatore | Durgapur |
|---|---|---|
| PM2.5(µg/m³) | 2.50 | 122.90 |
| PM10(µg/m³) | 3.00 | 127.60 |
| NO₂(µg/m³) | 4.60 | 52.40 |
| SO₂(µg/m³) | 2.00 | 79.40 |
| O₃(µg/m³) | 40.00 | 32.00 |
| CO(µg/m³) | 163.00 | 1042.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Coimbatore averaged an AQI of 66 while Durgapur averaged 174 — a 108-point (164%) gap, with Durgapur the more polluted and Coimbatore the cleaner of the two. On 185 days when both cities reported, Coimbatore was cleaner on 174 of them; the average daily gap was 114 AQI points.
Seasonality & days
Coimbatore peaks in November, while Durgapur peaks in December. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Durgapur was 1.3% Severe and 30.3% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Durgapur 6 days.
Year-over-year progress
The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Durgapur hit AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Durgapur spans 2 stations with a 31-point spread (min 164, max 195).
Verdict
🏆 Coimbatore has better air quality with an AQI of 4 compared to Durgapur's 303. That's a significant difference of 299 points.