Ariyalur vs Khanna
Side-by-side air quality comparison between Ariyalur and Khanna.
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 | Khanna |
|---|---|---|
| PM2.5(µg/m³) | 6.90 | 69.40 |
| PM10(µg/m³) | 8.80 | 98.50 |
| NO₂(µg/m³) | 8.10 | 37.80 |
| SO₂(µg/m³) | 5.20 | 14.60 |
| O₃(µg/m³) | 41.00 | 37.00 |
| CO(µg/m³) | 133.00 | 797.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Khanna averaged 102 — a 56-point (122%) gap, with Khanna the more polluted and Ariyalur the cleaner of the two. On 580 days when both cities reported, Ariyalur was cleaner on 516 of them; the average daily gap was 59 AQI points.
Seasonality & days
Ariyalur peaks in March, while Khanna peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Khanna was 0% Severe and 61.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Khanna 60 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Khanna has worsened by 4 AQI points (4.1%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Khanna hit AQI 297 at Kalal Majra (PPCB) on 2023-11-09.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Khanna spans 1 stations with a 0-point spread (min 100, max 100).
Verdict
🏆 Ariyalur has better air quality with an AQI of 12 compared to Khanna's 132. That's a significant difference of 120 points.