Asansol vs Tonk
Side-by-side air quality comparison between Asansol and Tonk.
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 Tonk averaged 142 — a 3-point (2%) gap, with Asansol the more polluted and Tonk the cleaner of the two. On 299 days when both cities reported, Tonk was cleaner on 224 of them; the average daily gap was 64 AQI points.
Seasonality & days
Asansol peaks in December, while Tonk peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Tonk 11 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Tonk spans 1 stations with a 0-point spread (min 148, max 148).