Ariyalur vs Muzaffarpur
Side-by-side air quality comparison between Ariyalur and Muzaffarpur.
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 | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 120.10 |
| PM10(µg/m³) | 9.90 | 136.40 |
| NO₂(µg/m³) | 8.40 | 64.00 |
| SO₂(µg/m³) | 5.00 | 18.40 |
| O₃(µg/m³) | 42.00 | 0.00 |
| CO(µg/m³) | 137.00 | 972.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Muzaffarpur averaged 151 — a 105-point (228%) gap, with Muzaffarpur the more polluted and Ariyalur the cleaner of the two. On 604 days when both cities reported, Ariyalur was cleaner on 597 of them; the average daily gap was 147 AQI points.
Seasonality & days
Ariyalur peaks in March, while Muzaffarpur peaks in January. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Muzaffarpur 26 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Ariyalur has better air quality with an AQI of 13 compared to Muzaffarpur's 301. That's a significant difference of 288 points.