Bangalore vs Kanchipuram
Side-by-side air quality comparison between Bangalore and Kanchipuram.
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 | Kanchipuram |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 9.40 |
| PM10(µg/m³) | 5.60 | 11.10 |
| NO₂(µg/m³) | 9.50 | 10.40 |
| SO₂(µg/m³) | 4.20 | 4.60 |
| O₃(µg/m³) | 35.00 | 44.00 |
| CO(µg/m³) | 290.00 | 243.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Kanchipuram averaged 51 — a 23-point (45%) gap, with Bangalore the more polluted and Kanchipuram the cleaner of the two. On 347 days when both cities reported, Kanchipuram was cleaner on 340 of them; the average daily gap was 73 AQI points.
Seasonality & days
Bangalore peaks in March, while Kanchipuram peaks in February. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Kanchipuram 18 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Kanchipuram has improved by 18 AQI points (26.1%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Kanchipuram's 16.