Bangalore vs Puducherry
Side-by-side air quality comparison between Bangalore and Puducherry.
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 | Bangalore | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 16.40 |
| PM10(µg/m³) | 5.60 | 19.20 |
| NO₂(µg/m³) | 9.50 | 18.50 |
| SO₂(µg/m³) | 4.20 | 8.80 |
| O₃(µg/m³) | 35.00 | 37.00 |
| CO(µg/m³) | 290.00 | 394.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Puducherry averaged 55 — a 19-point (35%) gap, with Bangalore the more polluted and Puducherry the cleaner of the two. On 1377 days when both cities reported, Puducherry was cleaner on 1345 of them; the average daily gap was 63 AQI points.
Seasonality & days
Bangalore peaks in March, while Puducherry peaks in December. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Puducherry 117 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Puducherry's 27.