Coimbatore vs Nashik
Side-by-side air quality comparison between Coimbatore and Nashik.
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 | Nashik |
|---|---|---|
| PM2.5(µg/m³) | 2.50 | 15.80 |
| PM10(µg/m³) | 3.00 | 29.90 |
| NO₂(µg/m³) | 4.60 | 13.90 |
| SO₂(µg/m³) | 2.00 | 14.70 |
| O₃(µg/m³) | 40.00 | 26.00 |
| CO(µg/m³) | 163.00 | 171.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Coimbatore averaged an AQI of 66 while Nashik averaged 85 — a 19-point (29%) gap, with Nashik the more polluted and Coimbatore the cleaner of the two. On 874 days when both cities reported, Coimbatore was cleaner on 568 of them; the average daily gap was 38 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Nashik was 0% Severe and 65.9% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Nashik 53 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Nashik has improved by 38 AQI points (30.9%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Nashik hit AQI 319 at Gangapur Road (MPCB) on 2024-11-24.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Nashik spans 4 stations with a 12-point spread (min 78, max 90).
Verdict
🏆 Coimbatore has better air quality with an AQI of 4 compared to Nashik's 30.