Asansol vs Palwal
Side-by-side air quality comparison between Asansol and Palwal.
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 | Palwal |
|---|---|---|
| PM2.5(µg/m³) | 89.60 | 58.70 |
| PM10(µg/m³) | 95.50 | 129.50 |
| NO₂(µg/m³) | 48.70 | 23.70 |
| SO₂(µg/m³) | 82.10 | 9.30 |
| O₃(µg/m³) | 39.00 | 51.00 |
| CO(µg/m³) | 708.00 | 502.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Palwal averaged 95 — a 50-point (53%) gap, with Asansol the more polluted and Palwal the cleaner of the two. On 1508 days when both cities reported, Palwal was cleaner on 755 of them; the average daily gap was 73 AQI points.
Seasonality & days
Asansol peaks in December, while Palwal peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Palwal was 0.2% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Palwal 37 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Palwal has improved by 91 AQI points (48.9%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Palwal hit AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Palwal spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Palwal has better air quality with an AQI of 120 compared to Asansol's 199. That's a significant difference of 79 points.