Coimbatore vs Maihar
Side-by-side air quality comparison between Coimbatore and Maihar.
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, Coimbatore averaged an AQI of 66 while Maihar averaged 59 — a 7-point (12%) gap, with Coimbatore the more polluted and Maihar the cleaner of the two. On 702 days when both cities reported, Maihar was cleaner on 435 of them; the average daily gap was 26 AQI points.
Seasonality & days
Coimbatore peaks in November, while Maihar peaks in December. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Maihar was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Maihar 72 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Maihar has improved by 9 AQI points (13.2%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Maihar hit AQI 262 at Sahilara Maihar (Cements) on 2022-08-25.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Maihar spans 1 stations with a 0-point spread (min 56, max 56).