Chittoor vs Cuddalore
Side-by-side air quality comparison between Chittoor 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 | Chittoor | Cuddalore |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 13.70 |
| PM10(µg/m³) | 7.70 | 17.10 |
| NO₂(µg/m³) | 8.70 | 16.80 |
| SO₂(µg/m³) | 3.20 | 7.60 |
| O₃(µg/m³) | 46.00 | 36.00 |
| CO(µg/m³) | 223.00 | 425.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Cuddalore averaged 52 — a 24-point (46%) gap, with Chittoor the more polluted and Cuddalore the cleaner of the two. On 227 days when both cities reported, Cuddalore was cleaner on 166 of them; the average daily gap was 32 AQI points.
Seasonality & days
Chittoor peaks in October, while Cuddalore peaks in January. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Cuddalore was 0% Severe and 90.6% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Cuddalore 34 days.
Year-over-year progress
The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Cuddalore hit AQI 329 at Kudikadu (TNPCB) on 2024-04-05.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Cuddalore spans 2 stations with a 11-point spread (min 46, max 57).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Cuddalore's 23.