Kanchipuram vs Motihari
Side-by-side air quality comparison between Kanchipuram and Motihari.
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 | Kanchipuram | Motihari |
|---|---|---|
| PM2.5(µg/m³) | 9.40 | 152.70 |
| PM10(µg/m³) | 11.10 | 170.90 |
| NO₂(µg/m³) | 10.40 | 59.80 |
| SO₂(µg/m³) | 4.60 | 22.90 |
| O₃(µg/m³) | 44.00 | 45.00 |
| CO(µg/m³) | 243.00 | 1174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Motihari averaged 116 — a 65-point (127%) gap, with Motihari the more polluted and Kanchipuram the cleaner of the two. On 291 days when both cities reported, Kanchipuram was cleaner on 274 of them; the average daily gap was 116 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Motihari peaks in November. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Motihari was 1.2% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Motihari 26 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Motihari has improved by 106 AQI points (47.7%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Motihari hit AQI 448 at Gandak Colony (BSPCB) on 2022-11-17.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Motihari spans 1 stations with a 0-point spread (min 153, max 153).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Motihari's 326. That's a significant difference of 310 points.