Alwar vs Coimbatore
Side-by-side air quality comparison between Alwar and Coimbatore.
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, Alwar averaged an AQI of 88 while Coimbatore averaged 66 — a 22-point (33%) gap, with Alwar the more polluted and Coimbatore the cleaner of the two. On 978 days when both cities reported, Coimbatore was cleaner on 777 of them; the average daily gap was 35 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Coimbatore was 0% Severe and 90.5% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Coimbatore 32 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Coimbatore has improved by 5 AQI points (7%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Coimbatore hit AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Coimbatore spans 2 stations with a 1-point spread (min 63, max 64).