Darbhanga vs Nagapattinam
Side-by-side air quality comparison between Darbhanga and Nagapattinam.
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 | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 100.60 | 12.50 |
| PM10(µg/m³) | 113.20 | 16.20 |
| NO₂(µg/m³) | 27.00 | 9.80 |
| SO₂(µg/m³) | 18.40 | 4.10 |
| O₃(µg/m³) | 114.00 | 38.00 |
| CO(µg/m³) | 651.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Nagapattinam averaged 60 — a 305-point (508%) gap, with Darbhanga the more polluted and Nagapattinam the cleaner of the two.
Seasonality & days
Darbhanga peaks in December, while Nagapattinam peaks in November. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 21 compared to Darbhanga's 236. That's a significant difference of 215 points.