Siliguri vs Varanasi
Side-by-side air quality comparison between Siliguri and Varanasi.
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 | Varanasi |
|---|---|---|
| PM2.5(µg/m³) | 57.70 | 37.50 |
| PM10(µg/m³) | 71.50 | 70.80 |
| NO₂(µg/m³) | 2.00 | 2.60 |
| SO₂(µg/m³) | 8.70 | 14.50 |
| O₃(µg/m³) | 172.00 | 163.00 |
| CO(µg/m³) | 382.00 | 182.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Siliguri averaged an AQI of 81 while Varanasi averaged 56 — a 25-point (45%) gap, with Siliguri the more polluted and Varanasi the cleaner of the two. On 1833 days when both cities reported, Siliguri was cleaner on 1375 of them; the average daily gap was 72 AQI points.
Seasonality & days
Siliguri peaks in February, while Varanasi peaks in January. Siliguri logged 0.1% Severe days and 61.8% Good-or-Satisfactory days; Varanasi was 2.8% Severe and 36% Good-or-Satisfactory. Longest clean-air streaks: Siliguri 180 days, Varanasi 87 days.
Year-over-year progress
Siliguri has improved by 39 AQI points (32.5%) from 2018 to 2024; Varanasi has improved by 169 AQI points (75.1%) over the same window. The worst recorded day for Siliguri reached AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08; Varanasi hit AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11.
Station-level disparity
Siliguri spans 1 CPCB stations with a 0-point spread (min 107, max 107); Varanasi spans 4 stations with a 94-point spread (min 71, max 165).
Verdict
🏆 Varanasi has better air quality with an AQI of 71 compared to Siliguri's 96.