Durgapur vs Tiruchirappalli
Side-by-side air quality comparison between Durgapur and Tiruchirappalli.
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 | Durgapur | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 105.90 | 5.50 |
| PM10(µg/m³) | 112.00 | 6.50 |
| NO₂(µg/m³) | 50.50 | 5.20 |
| SO₂(µg/m³) | 112.10 | 3.80 |
| O₃(µg/m³) | 76.00 | 51.00 |
| CO(µg/m³) | 829.00 | 130.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Durgapur averaged an AQI of 174 while Tiruchirappalli averaged 50 — a 124-point (248%) gap, with Durgapur the more polluted and Tiruchirappalli the cleaner of the two. On 68 days when both cities reported, Tiruchirappalli was cleaner on 68 of them; the average daily gap was 201 AQI points.
Seasonality & days
Durgapur peaks in December, while Tiruchirappalli peaks in January. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Tiruchirappalli 46 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Durgapur's 253. That's a significant difference of 244 points.