Bangalore vs Cuddalore
Side-by-side air quality comparison between Bangalore and Cuddalore.
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 | Cuddalore |
|---|---|---|
| PM2.5(µg/m³) | 3.00 | 14.60 |
| PM10(µg/m³) | 3.20 | 16.50 |
| NO₂(µg/m³) | 2.00 | 6.50 |
| SO₂(µg/m³) | 2.30 | 20.20 |
| O₃(µg/m³) | 89.00 | 134.00 |
| CO(µg/m³) | 204.00 | 140.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Cuddalore averaged 52 — a 22-point (42%) gap, with Bangalore the more polluted and Cuddalore the cleaner of the two. On 319 days when both cities reported, Cuddalore was cleaner on 303 of them; the average daily gap was 76 AQI points.
Seasonality & days
Bangalore peaks in March, while Cuddalore peaks in January. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Cuddalore was 0% Severe and 90.6% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Cuddalore 34 days.
Year-over-year progress
The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Cuddalore hit AQI 329 at Kudikadu (TNPCB) on 2024-04-05.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Cuddalore spans 2 stations with a 11-point spread (min 46, max 57).
Verdict
🏆 Bangalore has better air quality with an AQI of 5 compared to Cuddalore's 24.