Palwal vs Puducherry
Side-by-side air quality comparison between Palwal and Puducherry.
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 | Palwal | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 12.20 |
| PM10(µg/m³) | 129.50 | 14.50 |
| NO₂(µg/m³) | 23.70 | 18.70 |
| SO₂(µg/m³) | 9.30 | 9.00 |
| O₃(µg/m³) | 51.00 | 33.00 |
| CO(µg/m³) | 502.00 | 402.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Palwal averaged an AQI of 95 while Puducherry averaged 55 — a 40-point (73%) gap, with Palwal the more polluted and Puducherry the cleaner of the two. On 1240 days when both cities reported, Puducherry was cleaner on 1012 of them; the average daily gap was 51 AQI points.
Seasonality & days
Palwal peaks in November, while Puducherry peaks in December. Palwal logged 0.2% Severe days and 47.800000000000004% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Palwal 37 days, Puducherry 117 days.
Year-over-year progress
Palwal has improved by 91 AQI points (48.9%) from 2019 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Palwal reached AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Palwal spans 1 CPCB stations with a 0-point spread (min 120, max 120); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Puducherry has better air quality with an AQI of 20 compared to Palwal's 120. That's a significant difference of 100 points.