Muzaffarpur vs Thrissur
Side-by-side air quality comparison between Muzaffarpur and Thrissur.
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 | Muzaffarpur | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 120.60 | 8.60 |
| PM10(µg/m³) | 135.00 | 10.10 |
| NO₂(µg/m³) | 48.60 | 9.80 |
| SO₂(µg/m³) | 19.60 | 3.30 |
| O₃(µg/m³) | 54.00 | 29.00 |
| CO(µg/m³) | 873.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Muzaffarpur averaged an AQI of 151 while Thrissur averaged 57 — a 94-point (165%) gap, with Muzaffarpur the more polluted and Thrissur the cleaner of the two. On 1148 days when both cities reported, Thrissur was cleaner on 1069 of them; the average daily gap was 136 AQI points.
Seasonality & days
Muzaffarpur peaks in January, while Thrissur peaks in February. Muzaffarpur logged 4.5% Severe days and 30.900000000000002% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Muzaffarpur 26 days, Thrissur 52 days.
Year-over-year progress
Muzaffarpur has improved by 62 AQI points (29.1%) from 2016 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Muzaffarpur reached AQI 482 at Collectorate (BSPCB) on 2016-01-01; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Muzaffarpur spans 3 CPCB stations with a 14-point spread (min 171, max 185); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Thrissur has better air quality with an AQI of 14 compared to Muzaffarpur's 301. That's a significant difference of 287 points.