Agra vs Ariyalur
Side-by-side air quality comparison between Agra and Ariyalur.
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 | Agra | Ariyalur |
|---|---|---|
| PM2.5(µg/m³) | 59.40 | 6.80 |
| PM10(µg/m³) | 153.20 | 8.30 |
| NO₂(µg/m³) | 20.30 | 7.50 |
| SO₂(µg/m³) | 10.40 | 6.50 |
| O₃(µg/m³) | 73.00 | 43.00 |
| CO(µg/m³) | 546.00 | 133.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Agra averaged an AQI of 79 while Ariyalur averaged 46 — a 33-point (72%) gap, with Agra the more polluted and Ariyalur the cleaner of the two. On 314 days when both cities reported, Ariyalur was cleaner on 289 of them; the average daily gap was 67 AQI points.
Seasonality & days
Agra peaks in January, while Ariyalur peaks in March. Agra logged 3.3% Severe days and 34.9% Good-or-Satisfactory days; Ariyalur was 0% Severe and 93.8% Good-or-Satisfactory. Longest clean-air streaks: Agra 46 days, Ariyalur 57 days.
Year-over-year progress
Agra has improved by 134 AQI points (62.9%) from 2016 to 2024; Ariyalur has improved by 35 AQI points (43.2%) over the same window. The worst recorded day for Agra reached AQI 500 at Sanjay Palace (UPPCB) on 2017-06-03; Ariyalur hit AQI 221 at Keelapalur (TNPCB) on 2024-04-07.
Station-level disparity
Agra spans 6 CPCB stations with a 83-point spread (min 79, max 162); Ariyalur spans 1 stations with a 0-point spread (min 51, max 51).
Verdict
🏆 Ariyalur has better air quality with an AQI of 11 compared to Agra's 136. That's a significant difference of 125 points.