Kanpur vs Vellore
Side-by-side air quality comparison between Kanpur 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 | Kanpur | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 79.40 | 8.00 |
| PM10(µg/m³) | 151.30 | 10.00 |
| NO₂(µg/m³) | 65.80 | 11.40 |
| SO₂(µg/m³) | 14.70 | 4.50 |
| O₃(µg/m³) | 12.00 | 41.00 |
| CO(µg/m³) | 398.00 | 175.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanpur averaged an AQI of 109 while Vellore averaged 61 — a 48-point (79%) gap, with Kanpur the more polluted and Vellore the cleaner of the two. On 234 days when both cities reported, Vellore was cleaner on 219 of them; the average daily gap was 79 AQI points.
Seasonality & days
Kanpur peaks in November, while Vellore peaks in December. Kanpur logged 3.8% Severe days and 36.2% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Kanpur 70 days, Vellore 23 days.
Year-over-year progress
Kanpur has improved by 96 AQI points (46.8%) from 2016 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Kanpur reached AQI 482 at Nehru Nagar (UPPCB) on 2017-12-29; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Kanpur spans 4 CPCB stations with a 54-point spread (min 111, max 165); 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 Kanpur's 165. That's a significant difference of 152 points.