Ariyalur vs Kanpur
Side-by-side air quality comparison between Ariyalur and Kanpur.
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 | Kanpur |
|---|---|---|
| PM2.5(µg/m³) | 6.90 | 79.40 |
| PM10(µg/m³) | 8.80 | 151.30 |
| NO₂(µg/m³) | 8.10 | 65.80 |
| SO₂(µg/m³) | 5.20 | 14.70 |
| O₃(µg/m³) | 41.00 | 12.00 |
| CO(µg/m³) | 133.00 | 398.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Kanpur averaged 109 — a 63-point (137%) gap, with Kanpur the more polluted and Ariyalur the cleaner of the two. On 314 days when both cities reported, Ariyalur was cleaner on 301 of them; the average daily gap was 87 AQI points.
Seasonality & days
Ariyalur peaks in March, while Kanpur peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Kanpur was 3.8% Severe and 36.2% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Kanpur 70 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Kanpur has improved by 96 AQI points (46.8%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Kanpur hit AQI 482 at Nehru Nagar (UPPCB) on 2017-12-29.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Kanpur spans 4 stations with a 54-point spread (min 111, max 165).
Verdict
🏆 Ariyalur has better air quality with an AQI of 12 compared to Kanpur's 165. That's a significant difference of 153 points.