Arrah vs Durgapur
Side-by-side air quality comparison between Arrah and Durgapur.
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 | Durgapur |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 122.90 |
| PM10(µg/m³) | 115.50 | 127.60 |
| NO₂(µg/m³) | 53.70 | 52.40 |
| SO₂(µg/m³) | 13.70 | 79.40 |
| O₃(µg/m³) | 10.00 | 32.00 |
| CO(µg/m³) | 944.00 | 1042.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Durgapur averaged 174 — a 51-point (41%) gap, with Durgapur the more polluted and Arrah the cleaner of the two. On 128 days when both cities reported, Arrah was cleaner on 111 of them; the average daily gap was 103 AQI points.
Seasonality & days
Arrah peaks in January, while Durgapur peaks in December. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Durgapur was 1.3% Severe and 30.3% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Durgapur 6 days.
Year-over-year progress
The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Durgapur hit AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Durgapur spans 2 stations with a 31-point spread (min 164, max 195).
Verdict
🏆 Arrah has better air quality with an AQI of 231 compared to Durgapur's 303. That's a significant difference of 72 points.