Chittoor vs Karur
Side-by-side air quality comparison between Chittoor and Karur.
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 | Karur |
|---|---|---|
| PM2.5(µg/m³) | 6.60 | 2.30 |
| PM10(µg/m³) | 12.40 | 2.70 |
| NO₂(µg/m³) | 1.40 | 1.50 |
| SO₂(µg/m³) | 1.60 | 1.50 |
| O₃(µg/m³) | 87.00 | 78.00 |
| CO(µg/m³) | 130.00 | 123.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Karur averaged 71 — a 5-point (7%) gap, with Chittoor the more polluted and Karur the cleaner of the two. On 60 days when both cities reported, Karur was cleaner on 43 of them; the average daily gap was 32 AQI points.
Seasonality & days
Chittoor peaks in October, while Karur peaks in December. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Karur spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Karur has better air quality with an AQI of 4 compared to Chittoor's 12.