Tiruchirappalli vs Tirupati
Side-by-side air quality comparison between Tiruchirappalli and Tirupati.
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 | Tiruchirappalli | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 5.60 | 8.70 |
| PM10(µg/m³) | 6.40 | 10.00 |
| NO₂(µg/m³) | 6.80 | 8.40 |
| SO₂(µg/m³) | 3.40 | 2.40 |
| O₃(µg/m³) | 40.00 | 58.00 |
| CO(µg/m³) | 134.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tiruchirappalli averaged an AQI of 50 while Tirupati averaged 75 — a 25-point (50%) gap, with Tirupati the more polluted and Tiruchirappalli the cleaner of the two. On 60 days when both cities reported, Tiruchirappalli was cleaner on 49 of them; the average daily gap was 47 AQI points.
Seasonality & days
Tiruchirappalli peaks in January, while Tirupati peaks in April. Tiruchirappalli logged 0% Severe days and 96.5% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Tiruchirappalli 46 days, Tirupati 36 days.
Year-over-year progress
Tiruchirappalli has improved by 23 AQI points (31.5%) from 2023 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Tiruchirappalli reached AQI 114 at St Joseph College (TNPCB) on 2024-01-14; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Tiruchirappalli spans 1 CPCB stations with a 0-point spread (min 52, max 52); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Tirupati's 15.