Chittoor vs Tiruchirappalli
Side-by-side air quality comparison between Chittoor and Tiruchirappalli.
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 | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 5.40 |
| PM10(µg/m³) | 7.70 | 6.60 |
| NO₂(µg/m³) | 8.70 | 7.20 |
| SO₂(µg/m³) | 3.20 | 3.10 |
| O₃(µg/m³) | 46.00 | 38.00 |
| CO(µg/m³) | 223.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Tiruchirappalli averaged 50 — a 26-point (52%) gap, with Chittoor the more polluted and Tiruchirappalli the cleaner of the two. On 69 days when both cities reported, Tiruchirappalli was cleaner on 62 of them; the average daily gap was 35 AQI points.
Seasonality & days
Chittoor peaks in October, while Tiruchirappalli peaks in January. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Tiruchirappalli 46 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Chittoor's 10.