Coimbatore vs Thane
Side-by-side air quality comparison between Coimbatore and Thane.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Coimbatore | Thane |
|---|---|---|
| PM2.5(µg/m³) | 2.50 | 17.80 |
| PM10(µg/m³) | 3.00 | 42.60 |
| NO₂(µg/m³) | 4.60 | 10.10 |
| SO₂(µg/m³) | 2.00 | 10.60 |
| O₃(µg/m³) | 40.00 | 42.00 |
| CO(µg/m³) | 163.00 | 162.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Coimbatore averaged an AQI of 66 while Thane averaged 95 — a 29-point (44%) gap, with Thane the more polluted and Coimbatore the cleaner of the two. On 290 days when both cities reported, Coimbatore was cleaner on 237 of them; the average daily gap was 52 AQI points.
Seasonality & days
Coimbatore peaks in November, while Thane peaks in January. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Thane was 0% Severe and 53.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Thane 99 days.
Year-over-year progress
The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Thane hit AQI 302 at Kasarvadavali (MPCB) on 2024-03-21.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Thane spans 2 stations with a 9-point spread (min 90, max 99).
Verdict
🏆 Coimbatore has better air quality with an AQI of 4 compared to Thane's 43.