Bhopal vs Coimbatore
Side-by-side air quality comparison between Bhopal 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Bhopal | Coimbatore |
|---|---|---|
| PM2.5(µg/m³) | 29.00 | 2.50 |
| PM10(µg/m³) | 47.60 | 3.00 |
| NO₂(µg/m³) | 6.10 | 4.60 |
| SO₂(µg/m³) | 6.10 | 2.00 |
| O₃(µg/m³) | 72.00 | 40.00 |
| CO(µg/m³) | 261.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhopal averaged an AQI of 114 while Coimbatore averaged 66 — a 48-point (73%) gap, with Bhopal the more polluted and Coimbatore the cleaner of the two. On 916 days when both cities reported, Coimbatore was cleaner on 820 of them; the average daily gap was 70 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bhopal logged 0% Severe days and 38.4% Good-or-Satisfactory days; Coimbatore was 0% Severe and 90.5% Good-or-Satisfactory. Longest clean-air streaks: Bhopal 47 days, Coimbatore 32 days.
Year-over-year progress
Bhopal has improved by 39 AQI points (25.5%) from 2019 to 2024; Coimbatore has improved by 5 AQI points (7%) over the same window. The worst recorded day for Bhopal reached AQI 392 at T T Nagar (MPPCB) on 2022-01-06; Coimbatore hit AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28.
Station-level disparity
Bhopal spans 3 CPCB stations with a 18-point spread (min 111, max 129); Coimbatore spans 2 stations with a 1-point spread (min 63, max 64).
Verdict
🏆 Coimbatore has better air quality with an AQI of 4 compared to Bhopal's 48.