Ahmedabad vs Chapra
Side-by-side air quality comparison between Ahmedabad and Chapra.
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 | Chapra |
|---|---|---|
| PM2.5(µg/m³) | 22.60 | 102.90 |
| PM10(µg/m³) | 36.90 | 117.10 |
| NO₂(µg/m³) | 7.00 | 42.70 |
| SO₂(µg/m³) | 4.70 | 15.30 |
| O₃(µg/m³) | 40.00 | 46.00 |
| CO(µg/m³) | 159.00 | 805.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Chapra averaged 149 — a 32-point (27%) gap, with Chapra the more polluted and Ahmedabad the cleaner of the two. On 962 days when both cities reported, Ahmedabad was cleaner on 546 of them; the average daily gap was 89 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Chapra peaks in January. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Chapra was 2.4% Severe and 26.8% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Chapra 14 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Chapra has improved by 181 AQI points (54.8%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Chapra hit AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Chapra spans 1 stations with a 0-point spread (min 195, max 195).
Verdict
🏆 Ahmedabad has better air quality with an AQI of 38 compared to Chapra's 244. That's a significant difference of 206 points.