Arrah vs Charkhi Dādri
Side-by-side air quality comparison between Arrah and Charkhi Dādri.
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 | Arrah | Charkhi Dādri |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 64.70 |
| PM10(µg/m³) | 117.10 | 194.20 |
| NO₂(µg/m³) | 42.70 | 12.60 |
| SO₂(µg/m³) | 15.30 | 9.40 |
| O₃(µg/m³) | 46.00 | 83.00 |
| CO(µg/m³) | 841.00 | 490.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Charkhi Dādri averaged 145 — a 22-point (18%) gap, with Charkhi Dādri the more polluted and Arrah the cleaner of the two. On 825 days when both cities reported, Arrah was cleaner on 424 of them; the average daily gap was 72 AQI points.
Seasonality & days
Arrah peaks in January, while Charkhi Dādri peaks in November. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Charkhi Dādri was 0.7% Severe and 28% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Charkhi Dādri 48 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Charkhi Dādri has improved by 51 AQI points (26%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Charkhi Dādri hit AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Charkhi Dādri spans 1 stations with a 0-point spread (min 162, max 162).
Verdict
🏆 Charkhi Dādri has better air quality with an AQI of 163 compared to Arrah's 244. That's a significant difference of 81 points.