Chapra vs Durgapur
Side-by-side air quality comparison between Chapra 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 | Chapra | Durgapur |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 118.70 |
| PM10(µg/m³) | 117.10 | 123.40 |
| NO₂(µg/m³) | 42.70 | 52.30 |
| SO₂(µg/m³) | 15.30 | 93.90 |
| O₃(µg/m³) | 46.00 | 49.00 |
| CO(µg/m³) | 805.00 | 963.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Durgapur averaged 174 — a 25-point (17%) gap, with Durgapur the more polluted and Chapra the cleaner of the two. On 164 days when both cities reported, Chapra was cleaner on 135 of them; the average daily gap was 71 AQI points.
Seasonality & days
Chapra peaks in January, while Durgapur peaks in December. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Durgapur was 1.3% Severe and 30.3% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Durgapur 6 days.
Year-over-year progress
The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Durgapur hit AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Durgapur spans 2 stations with a 31-point spread (min 164, max 195).
Verdict
🏆 Chapra has better air quality with an AQI of 244 compared to Durgapur's 296. That's a significant difference of 52 points.