Pune vs Tiruchirappalli
Side-by-side air quality comparison between Pune 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 | Pune | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 16.30 | 5.60 |
| PM10(µg/m³) | 35.50 | 6.40 |
| NO₂(µg/m³) | 10.00 | 6.80 |
| SO₂(µg/m³) | 9.20 | 3.40 |
| O₃(µg/m³) | 36.00 | 40.00 |
| CO(µg/m³) | 152.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pune averaged an AQI of 97 while Tiruchirappalli averaged 50 — a 47-point (94%) gap, with Pune 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 133 AQI points.
Seasonality & days
Pune peaks in November, while Tiruchirappalli peaks in January. Pune logged 0.1% Severe days and 44.8% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Pune 92 days, Tiruchirappalli 46 days.
Year-over-year progress
Pune has improved by 7 AQI points (6.7%) from 2017 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Pune reached AQI 435 at Alandi (IITM) on 2024-01-29; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Pune spans 12 CPCB stations with a 54-point spread (min 68, max 122); 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 Pune's 36.