Ariyalur vs Begusarai
Side-by-side air quality comparison between Ariyalur and Begusarai.
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 | Begusarai |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 88.90 |
| PM10(µg/m³) | 9.90 | 101.70 |
| NO₂(µg/m³) | 8.40 | 52.20 |
| SO₂(µg/m³) | 5.00 | 16.70 |
| O₃(µg/m³) | 42.00 | 23.00 |
| CO(µg/m³) | 137.00 | 695.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Begusarai averaged 128 — a 82-point (178%) gap, with Begusarai the more polluted and Ariyalur the cleaner of the two. On 293 days when both cities reported, Ariyalur was cleaner on 286 of them; the average daily gap was 168 AQI points.
Seasonality & days
Ariyalur peaks in March, while Begusarai peaks in January. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Begusarai was 8.7% Severe and 20.8% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Begusarai 14 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Begusarai has improved by 137 AQI points (51.7%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Begusarai hit AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Begusarai spans 1 stations with a 0-point spread (min 213, max 213).
Verdict
🏆 Ariyalur has better air quality with an AQI of 13 compared to Begusarai's 196. That's a significant difference of 183 points.