Ariyalur vs Tirumala
Side-by-side air quality comparison between Ariyalur and Tirumala.
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 | Ariyalur | Tirumala |
|---|---|---|
| PM2.5(µg/m³) | 6.80 | 5.40 |
| PM10(µg/m³) | 8.30 | 6.80 |
| NO₂(µg/m³) | 7.50 | 5.80 |
| SO₂(µg/m³) | 6.50 | 2.00 |
| O₃(µg/m³) | 43.00 | 56.00 |
| CO(µg/m³) | 133.00 | 146.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Tirumala averaged 89 — a 43-point (93%) gap, with Tirumala the more polluted and Ariyalur the cleaner of the two.
Seasonality & days
Ariyalur peaks in March, while Tirumala peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Tirumala was 0% Severe and 65.8% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Tirumala 39 days.
Year-over-year progress
The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Tirumala hit AQI 173 at Toll Gate (APPCB) on 2016-12-30.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Tirumala spans 1 stations with a 0-point spread (min 89, max 89).
Verdict
🏆 Tirumala has better air quality with an AQI of 9 compared to Ariyalur's 11.