Asansol vs Thane
Side-by-side air quality comparison between Asansol and Thane.
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 | Thane |
|---|---|---|
| PM2.5(µg/m³) | 91.00 | 17.50 |
| PM10(µg/m³) | 96.20 | 40.70 |
| NO₂(µg/m³) | 48.00 | 11.00 |
| SO₂(µg/m³) | 91.90 | 12.60 |
| O₃(µg/m³) | 58.00 | 42.00 |
| CO(µg/m³) | 838.00 | 171.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Thane averaged 95 — a 50-point (53%) gap, with Asansol the more polluted and Thane the cleaner of the two. On 361 days when both cities reported, Thane was cleaner on 305 of them; the average daily gap was 79 AQI points.
Seasonality & days
Asansol peaks in December, while Thane peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Thane was 0% Severe and 53.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Thane 99 days.
Year-over-year progress
The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Thane hit AQI 302 at Kasarvadavali (MPCB) on 2024-03-21.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Thane spans 2 stations with a 9-point spread (min 90, max 99).
Verdict
🏆 Thane has better air quality with an AQI of 41 compared to Asansol's 204. That's a significant difference of 163 points.