Bhopal vs Tiruchirappalli
Side-by-side air quality comparison between Bhopal and Tiruchirappalli.
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 | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 29.90 | 5.60 |
| PM10(µg/m³) | 48.80 | 6.40 |
| NO₂(µg/m³) | 5.00 | 6.80 |
| SO₂(µg/m³) | 7.00 | 3.40 |
| O₃(µg/m³) | 82.00 | 40.00 |
| CO(µg/m³) | 267.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhopal averaged an AQI of 114 while Tiruchirappalli averaged 50 — a 64-point (128%) gap, with Bhopal the more polluted and Tiruchirappalli the cleaner of the two. On 82 days when both cities reported, Tiruchirappalli was cleaner on 82 of them; the average daily gap was 143 AQI points.
Seasonality & days
Bhopal peaks in November, while Tiruchirappalli peaks in January. Bhopal logged 0% Severe days and 38.4% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Bhopal 47 days, Tiruchirappalli 46 days.
Year-over-year progress
Bhopal has improved by 39 AQI points (25.5%) from 2019 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Bhopal reached AQI 392 at T T Nagar (MPPCB) on 2022-01-06; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Bhopal spans 3 CPCB stations with a 18-point spread (min 111, max 129); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Bhopal's 50.