Asansol vs Nalbāri
Side-by-side air quality comparison between Asansol and Nalbāri.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Nalbāri averaged 129 — a 16-point (12%) gap, with Asansol the more polluted and Nalbāri the cleaner of the two. On 359 days when both cities reported, Nalbāri was cleaner on 262 of them; the average daily gap was 92 AQI points.
Seasonality & days
Asansol peaks in December, while Nalbāri peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Nalbāri 18 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Nalbāri has improved by 72 AQI points (35.8%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).