Coimbatore vs Navi Mumbai
Side-by-side air quality comparison between Coimbatore and Navi Mumbai.
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 | Coimbatore | Navi Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 2.50 | 22.80 |
| PM10(µg/m³) | 3.00 | 40.50 |
| NO₂(µg/m³) | 4.60 | 23.40 |
| SO₂(µg/m³) | 2.00 | 22.10 |
| O₃(µg/m³) | 40.00 | 18.00 |
| CO(µg/m³) | 163.00 | 150.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Coimbatore averaged an AQI of 66 while Navi Mumbai averaged 107 — a 41-point (62%) gap, with Navi Mumbai the more polluted and Coimbatore the cleaner of the two. On 984 days when both cities reported, Coimbatore was cleaner on 868 of them; the average daily gap was 85 AQI points.
Seasonality & days
Coimbatore peaks in November, while Navi Mumbai peaks in January. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Navi Mumbai was 0.2% Severe and 43.6% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Navi Mumbai 57 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Navi Mumbai has worsened by 29 AQI points (37.2%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Navi Mumbai hit AQI 477 at Airoli Navi (MPCB) on 2019-04-14.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Navi Mumbai spans 8 stations with a 37-point spread (min 93, max 130).
Verdict
🏆 Coimbatore has better air quality with an AQI of 4 compared to Navi Mumbai's 41.