Kanchipuram vs Saharsa
Side-by-side air quality comparison between Kanchipuram and Saharsa.
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 | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 7.60 | 88.50 |
| PM10(µg/m³) | 9.30 | 98.50 |
| NO₂(µg/m³) | 6.10 | 9.90 |
| SO₂(µg/m³) | 4.30 | 16.40 |
| O₃(µg/m³) | 58.00 | 146.00 |
| CO(µg/m³) | 208.00 | 503.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Saharsa averaged 139 — a 88-point (173%) gap, with Saharsa the more polluted and Kanchipuram the cleaner of the two. On 308 days when both cities reported, Kanchipuram was cleaner on 286 of them; the average daily gap was 151 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Saharsa peaks in January. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Saharsa 20 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 13 compared to Saharsa's 195. That's a significant difference of 182 points.