Mumbai vs Muzaffarpur
Side-by-side air quality comparison between Mumbai 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 | Mumbai | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 17.50 | 120.60 |
| PM10(µg/m³) | 40.70 | 135.00 |
| NO₂(µg/m³) | 11.00 | 48.60 |
| SO₂(µg/m³) | 12.60 | 19.60 |
| O₃(µg/m³) | 42.00 | 54.00 |
| CO(µg/m³) | 196.00 | 873.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Mumbai averaged an AQI of 93 while Muzaffarpur averaged 151 — a 58-point (62%) gap, with Muzaffarpur the more polluted and Mumbai the cleaner of the two. On 2359 days when both cities reported, Mumbai was cleaner on 1473 of them; the average daily gap was 86 AQI points.
Seasonality & days
Mumbai peaks in December, while Muzaffarpur peaks in January. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Muzaffarpur 26 days.
Year-over-year progress
Mumbai has improved by 4 AQI points (4.1%) from 2016 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Mumbai has better air quality with an AQI of 41 compared to Muzaffarpur's 301. That's a significant difference of 260 points.