Darbhanga vs Tirunelveli
Side-by-side air quality comparison between Darbhanga 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 | Darbhanga | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 2.10 |
| PM10(µg/m³) | 94.80 | 2.60 |
| NO₂(µg/m³) | 1.20 | 1.60 |
| SO₂(µg/m³) | 14.50 | 0.70 |
| O₃(µg/m³) | 225.00 | 53.00 |
| CO(µg/m³) | 284.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Tirunelveli averaged 30 — a 335-point (1117%) gap, with Darbhanga the more polluted and Tirunelveli the cleaner of the two.
Seasonality & days
Darbhanga peaks in December, while Tirunelveli peaks in October. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 4 compared to Darbhanga's 133. That's a significant difference of 129 points.