Guwahati vs Muzaffarpur
Side-by-side air quality comparison between Guwahati 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 | Guwahati | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 33.80 | 120.10 |
| PM10(µg/m³) | 37.10 | 136.40 |
| NO₂(µg/m³) | 6.60 | 64.00 |
| SO₂(µg/m³) | 4.00 | 18.40 |
| O₃(µg/m³) | 81.00 | 0.00 |
| CO(µg/m³) | 397.00 | 972.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Muzaffarpur averaged 151 — a 28-point (23%) gap, with Muzaffarpur the more polluted and Guwahati the cleaner of the two. On 2000 days when both cities reported, Guwahati was cleaner on 1500 of them; the average daily gap was 74 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Muzaffarpur 26 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Guwahati has better air quality with an AQI of 57 compared to Muzaffarpur's 301. That's a significant difference of 244 points.