Chittoor vs Ooty
Side-by-side air quality comparison between Chittoor and Ooty.
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 | Ooty |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 4.90 |
| PM10(µg/m³) | 7.70 | 5.30 |
| NO₂(µg/m³) | 7.30 | 5.70 |
| SO₂(µg/m³) | 3.10 | 0.90 |
| O₃(µg/m³) | 47.00 | 38.00 |
| CO(µg/m³) | 212.00 | 132.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Ooty averaged 58 — a 18-point (31%) gap, with Chittoor the more polluted and Ooty the cleaner of the two. On 397 days when both cities reported, Ooty was cleaner on 241 of them; the average daily gap was 29 AQI points.
Seasonality & days
Chittoor peaks in October, while Ooty peaks in May. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Ooty 22 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Ooty is essentially flat over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Ooty spans 1 stations with a 0-point spread (min 59, max 59).
Verdict
🏆 Ooty has better air quality with an AQI of 8 compared to Chittoor's 10.