Mumbai vs Nagapattinam
Side-by-side air quality comparison between Mumbai 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 | Mumbai | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 17.80 | 12.00 |
| PM10(µg/m³) | 42.60 | 15.60 |
| NO₂(µg/m³) | 10.10 | 10.70 |
| SO₂(µg/m³) | 10.60 | 3.80 |
| O₃(µg/m³) | 42.00 | 35.00 |
| CO(µg/m³) | 173.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Mumbai averaged an AQI of 93 while Nagapattinam averaged 60 — a 33-point (55%) gap, with Mumbai the more polluted and Nagapattinam the cleaner of the two. On 47 days when both cities reported, Nagapattinam was cleaner on 47 of them; the average daily gap was 177 AQI points.
Seasonality & days
Mumbai peaks in December, while Nagapattinam peaks in November. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 20 compared to Mumbai's 43.