Pāli vs Vellore
Side-by-side air quality comparison between Pāli and Vellore.
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 | Pāli | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 27.20 | 8.00 |
| PM10(µg/m³) | 80.10 | 10.00 |
| NO₂(µg/m³) | 3.90 | 11.40 |
| SO₂(µg/m³) | 2.20 | 4.50 |
| O₃(µg/m³) | 60.00 | 41.00 |
| CO(µg/m³) | 134.00 | 175.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pāli averaged an AQI of 134 while Vellore averaged 61 — a 73-point (120%) gap, with Pāli the more polluted and Vellore the cleaner of the two. On 289 days when both cities reported, Vellore was cleaner on 257 of them; the average daily gap was 66 AQI points.
Seasonality & days
Pāli peaks in May, while Vellore peaks in December. Pāli logged 0% Severe days and 40.099999999999994% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Pāli 38 days, Vellore 23 days.
Year-over-year progress
Pāli has improved by 47 AQI points (26%) from 2017 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Pāli reached AQI 453 at Indira Colony Vistar (RSPCB) on 2019-04-16; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Pāli spans 1 CPCB stations with a 0-point spread (min 123, max 123); Vellore spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Vellore has better air quality with an AQI of 13 compared to Pāli's 80. That's a significant difference of 67 points.