Siliguri vs Thane
Side-by-side air quality comparison between Siliguri 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 | Siliguri | Thane |
|---|---|---|
| PM2.5(µg/m³) | 77.80 | 17.50 |
| PM10(µg/m³) | 98.30 | 40.70 |
| NO₂(µg/m³) | 11.30 | 11.00 |
| SO₂(µg/m³) | 6.80 | 12.60 |
| O₃(µg/m³) | 115.00 | 42.00 |
| CO(µg/m³) | 523.00 | 171.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Siliguri averaged an AQI of 81 while Thane averaged 95 — a 14-point (17%) gap, with Thane the more polluted and Siliguri the cleaner of the two. On 354 days when both cities reported, Siliguri was cleaner on 251 of them; the average daily gap was 40 AQI points.
Seasonality & days
Siliguri peaks in February, while Thane peaks in January. Siliguri logged 0.1% Severe days and 61.8% Good-or-Satisfactory days; Thane was 0% Severe and 53.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Siliguri 180 days, Thane 99 days.
Year-over-year progress
The worst recorded day for Siliguri reached AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08; Thane hit AQI 302 at Kasarvadavali (MPCB) on 2024-03-21.
Station-level disparity
Siliguri spans 1 CPCB stations with a 0-point spread (min 107, max 107); 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 Siliguri's 160. That's a significant difference of 119 points.