Ariyalur vs Gorakhpur
Side-by-side air quality comparison between Ariyalur and Gorakhpur.
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 | Gorakhpur |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 104.10 |
| PM10(µg/m³) | 9.90 | 118.70 |
| NO₂(µg/m³) | 8.40 | 73.90 |
| SO₂(µg/m³) | 5.00 | 17.40 |
| O₃(µg/m³) | 42.00 | 0.00 |
| CO(µg/m³) | 137.00 | 522.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Gorakhpur averaged 109 — a 63-point (137%) gap, with Gorakhpur the more polluted and Ariyalur the cleaner of the two. On 568 days when both cities reported, Ariyalur was cleaner on 523 of them; the average daily gap was 61 AQI points.
Seasonality & days
Ariyalur peaks in March, while Gorakhpur peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Gorakhpur was 0% Severe and 57.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Gorakhpur 62 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Gorakhpur has worsened by 7 AQI points (6.9%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Gorakhpur hit AQI 393 at Madan Mohan Malaviya University of Technology (UPPCB) on 2021-11-09.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Gorakhpur spans 1 stations with a 0-point spread (min 99, max 99).
Verdict
🏆 Ariyalur has better air quality with an AQI of 13 compared to Gorakhpur's 248. That's a significant difference of 235 points.