Alwar vs Muzaffarpur
Side-by-side air quality comparison between Alwar 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 | Alwar | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 58.40 | 120.10 |
| PM10(µg/m³) | 169.00 | 136.40 |
| NO₂(µg/m³) | 17.10 | 64.00 |
| SO₂(µg/m³) | 7.70 | 18.40 |
| O₃(µg/m³) | 58.00 | 0.00 |
| CO(µg/m³) | 391.00 | 972.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Muzaffarpur averaged 151 — a 63-point (72%) gap, with Muzaffarpur the more polluted and Alwar the cleaner of the two. On 2299 days when both cities reported, Alwar was cleaner on 1896 of them; the average daily gap was 115 AQI points.
Seasonality & days
Alwar peaks in November, while Muzaffarpur peaks in January. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Muzaffarpur 26 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Alwar has better air quality with an AQI of 147 compared to Muzaffarpur's 301. That's a significant difference of 154 points.