Chennai vs Nashik
Side-by-side air quality comparison between Chennai 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chennai averaged an AQI of 68 while Nashik averaged 85 — a 17-point (25%) gap, with Nashik the more polluted and Chennai the cleaner of the two. On 2011 days when both cities reported, Nashik was cleaner on 1264 of them; the average daily gap was 52 AQI points.
Seasonality & days
Chennai peaks in December, while Nashik peaks in November. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Nashik was 0% Severe and 65.9% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Nashik 53 days.
Year-over-year progress
Chennai has improved by 25 AQI points (26.9%) from 2017 to 2024; Nashik has improved by 38 AQI points (30.9%) over the same window. The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Nashik hit AQI 319 at Gangapur Road (MPCB) on 2024-11-24.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Nashik spans 4 stations with a 12-point spread (min 78, max 90).