Chennai vs Nagpur
Side-by-side air quality comparison between Chennai and Nagpur.
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 Nagpur averaged 104 — a 36-point (53%) gap, with Nagpur the more polluted and Chennai the cleaner of the two. On 1841 days when both cities reported, Nagpur was cleaner on 1073 of them; the average daily gap was 51 AQI points.
Seasonality & days
Chennai peaks in December, while Nagpur peaks in November. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Nagpur was 0% Severe and 60.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Nagpur 68 days.
Year-over-year progress
Chennai has improved by 25 AQI points (26.9%) from 2017 to 2024; Nagpur has improved by 37 AQI points (26.2%) over the same window. The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Nagpur hit AQI 342 at Opp GPO Civil Lines (MPCB) on 2022-12-03.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Nagpur spans 4 stations with a 9-point spread (min 98, max 107).