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Kanchipuram vs Muzaffarpur

Side-by-side air quality comparison between Kanchipuram and Muzaffarpur.

Cleaner right now: Kanchipuram (285-pt gap)Historical head-to-head: Kanchipuram cleaner 337/343 daysYoY 20222024: Kanchipuram -26.1% · Muzaffarpur -29.1%

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

🏆 Cleaner

Kanchipuram

Tamil Nadu, India

Good

PM2.5: 9.4 µg/m³

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VS

Muzaffarpur

Bihar, India

Very Poor

PM2.5: 120.6 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantKanchipuramMuzaffarpur
PM2.5(µg/m³)9.40120.60
PM10(µg/m³)11.10135.00
NO₂(µg/m³)10.4048.60
SO₂(µg/m³)4.6019.60
O₃(µg/m³)44.0054.00
CO(µg/m³)243.00873.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Kanchipuram averaged an AQI of 51 while Muzaffarpur averaged 151 — a 100-point (196%) gap, with Muzaffarpur the more polluted and Kanchipuram the cleaner of the two. On 343 days when both cities reported, Kanchipuram was cleaner on 337 of them; the average daily gap was 166 AQI points.

Seasonality & days

Kanchipuram peaks in February, while Muzaffarpur peaks in January. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Muzaffarpur 26 days.

Year-over-year progress

Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.

Station-level disparity

Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).

Verdict

🏆 Kanchipuram has better air quality with an AQI of 16 compared to Muzaffarpur's 301. That's a significant difference of 285 points.

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