Ahmedabad vs Saharsa
Side-by-side air quality comparison between Ahmedabad 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 | Ahmedabad | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 22.60 | 100.60 |
| PM10(µg/m³) | 36.90 | 109.00 |
| NO₂(µg/m³) | 7.00 | 40.40 |
| SO₂(µg/m³) | 4.70 | 12.20 |
| O₃(µg/m³) | 40.00 | 21.00 |
| CO(µg/m³) | 159.00 | 719.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Saharsa averaged 139 — a 22-point (19%) gap, with Saharsa the more polluted and Ahmedabad the cleaner of the two. On 912 days when both cities reported, Ahmedabad was cleaner on 458 of them; the average daily gap was 90 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Saharsa peaks in January. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Saharsa 20 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Ahmedabad has better air quality with an AQI of 38 compared to Saharsa's 236. That's a significant difference of 198 points.