Darbhanga vs Gummidipoondi
Side-by-side air quality comparison between Darbhanga and Gummidipoondi.
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 | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 100.60 | 10.50 |
| PM10(µg/m³) | 113.20 | 12.00 |
| NO₂(µg/m³) | 27.00 | 11.90 |
| SO₂(µg/m³) | 18.40 | 6.80 |
| O₃(µg/m³) | 114.00 | 52.00 |
| CO(µg/m³) | 651.00 | 286.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Gummidipoondi averaged 107 — a 258-point (241%) gap, with Darbhanga the more polluted and Gummidipoondi the cleaner of the two. On 182 days when both cities reported, Gummidipoondi was cleaner on 182 of them; the average daily gap was 142 AQI points.
Seasonality & days
Darbhanga peaks in December, while Gummidipoondi peaks in November. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Gummidipoondi 49 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Gummidipoondi spans 1 stations with a 0-point spread (min 99, max 99).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Darbhanga's 236. That's a significant difference of 218 points.