Bettiah vs Kanchipuram
Side-by-side air quality comparison between Bettiah and Kanchipuram.
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 | Bettiah | Kanchipuram |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 9.40 |
| PM10(µg/m³) | 116.60 | 11.10 |
| NO₂(µg/m³) | 41.60 | 10.40 |
| SO₂(µg/m³) | 13.00 | 4.60 |
| O₃(µg/m³) | 55.00 | 44.00 |
| CO(µg/m³) | 1389.00 | 243.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Kanchipuram averaged 51 — a 76-point (149%) gap, with Bettiah the more polluted and Kanchipuram the cleaner of the two. On 265 days when both cities reported, Kanchipuram was cleaner on 261 of them; the average daily gap was 156 AQI points.
Seasonality & days
Bettiah peaks in November, while Kanchipuram peaks in February. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Kanchipuram 18 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Kanchipuram has improved by 18 AQI points (26.1%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Bettiah's 251. That's a significant difference of 235 points.