Chittoor vs Perundurai
Side-by-side air quality comparison between Chittoor and Perundurai.
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 | Perundurai |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 6.80 |
| PM10(µg/m³) | 7.70 | 8.00 |
| NO₂(µg/m³) | 8.70 | 11.30 |
| SO₂(µg/m³) | 3.20 | 3.20 |
| O₃(µg/m³) | 46.00 | 32.00 |
| CO(µg/m³) | 223.00 | 159.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Perundurai averaged 75 — a 1-point (1%) gap, with Chittoor the more polluted and Perundurai the cleaner of the two. On 49 days when both cities reported, Perundurai was cleaner on 32 of them; the average daily gap was 32 AQI points.
Seasonality & days
Chittoor peaks in October, while Perundurai peaks in November. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Perundurai's 11.