Asansol vs Charkhi Dādri
Side-by-side air quality comparison between Asansol 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 | Asansol | Charkhi Dādri |
|---|---|---|
| PM2.5(µg/m³) | 89.60 | 67.50 |
| PM10(µg/m³) | 95.50 | 175.10 |
| NO₂(µg/m³) | 48.70 | 19.80 |
| SO₂(µg/m³) | 82.10 | 10.70 |
| O₃(µg/m³) | 39.00 | 65.00 |
| CO(µg/m³) | 708.00 | 544.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Charkhi Dādri averaged 145 — a 0-point (0%) gap, with Charkhi Dādri the more polluted and Asansol the cleaner of the two. On 1086 days when both cities reported, Asansol was cleaner on 593 of them; the average daily gap was 74 AQI points.
Seasonality & days
Asansol peaks in December, while Charkhi Dādri peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Charkhi Dādri was 0.7% Severe and 28% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Charkhi Dādri 48 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Charkhi Dādri has improved by 51 AQI points (26%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Charkhi Dādri hit AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); 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 151 compared to Asansol's 199.