Puducherry vs Tirupati
Side-by-side air quality comparison between Puducherry 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 | Puducherry | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 21.50 | 4.90 |
| PM10(µg/m³) | 27.00 | 7.30 |
| NO₂(µg/m³) | 4.00 | 0.80 |
| SO₂(µg/m³) | 11.80 | 0.90 |
| O₃(µg/m³) | 149.00 | 94.00 |
| CO(µg/m³) | 174.00 | 128.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Puducherry averaged an AQI of 55 while Tirupati averaged 75 — a 20-point (36%) gap, with Tirupati the more polluted and Puducherry the cleaner of the two. On 486 days when both cities reported, Puducherry was cleaner on 302 of them; the average daily gap was 33 AQI points.
Seasonality & days
Puducherry peaks in December, while Tirupati peaks in April. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Tirupati 36 days.
Year-over-year progress
Puducherry has worsened by 1 AQI points (1.9%) from 2021 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Tirupati has better air quality with an AQI of 8 compared to Puducherry's 36.