Durgapur vs Tirunelveli
Side-by-side air quality comparison between Durgapur and Tirunelveli.
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 | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 118.70 | 4.40 |
| PM10(µg/m³) | 123.40 | 5.20 |
| NO₂(µg/m³) | 52.30 | 5.50 |
| SO₂(µg/m³) | 93.90 | 1.80 |
| O₃(µg/m³) | 49.00 | 30.00 |
| CO(µg/m³) | 963.00 | 151.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Durgapur averaged an AQI of 174 while Tirunelveli averaged 30 — a 144-point (480%) gap, with Durgapur the more polluted and Tirunelveli the cleaner of the two. On 113 days when both cities reported, Tirunelveli was cleaner on 113 of them; the average daily gap was 165 AQI points.
Seasonality & days
Durgapur peaks in December, while Tirunelveli peaks in October. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Durgapur's 296. That's a significant difference of 289 points.