Coimbatore vs Meerut
Side-by-side air quality comparison between Coimbatore and Meerut.
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 Meerut averaged 144 — a 78-point (118%) gap, with Meerut the more polluted and Coimbatore the cleaner of the two. On 939 days when both cities reported, Coimbatore was cleaner on 872 of them; the average daily gap was 138 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Meerut was 2% Severe and 22.299999999999997% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Meerut 25 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Meerut has improved by 116 AQI points (44.6%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Meerut hit AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Meerut spans 3 stations with a 13-point spread (min 172, max 185).