Chennai vs Mira-Bhayandar
Side-by-side air quality comparison between Chennai and Mira-Bhayandar.
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 Mira-Bhayandar averaged 102 — a 34-point (50%) gap, with Mira-Bhayandar the more polluted and Chennai the cleaner of the two. On 336 days when both cities reported, Mira-Bhayandar was cleaner on 175 of them; the average daily gap was 52 AQI points.
Seasonality & days
Chennai peaks in December, while Mira-Bhayandar peaks in November. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Mira-Bhayandar was 0% Severe and 51.2% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Mira-Bhayandar 41 days.
Year-over-year progress
The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Mira-Bhayandar hit AQI 284 at Bhayandar West (MPCB) on 2024-11-23.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Mira-Bhayandar spans 1 stations with a 0-point spread (min 102, max 102).