Asansol vs Varanasi
Side-by-side air quality comparison between Asansol 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 | Asansol | Varanasi |
|---|---|---|
| PM2.5(µg/m³) | 94.30 | 43.90 |
| PM10(µg/m³) | 100.60 | 53.10 |
| NO₂(µg/m³) | 49.40 | 33.30 |
| SO₂(µg/m³) | 84.00 | 32.00 |
| O₃(µg/m³) | 41.00 | 30.00 |
| CO(µg/m³) | 775.00 | 422.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Varanasi averaged 56 — a 89-point (159%) gap, with Asansol the more polluted and Varanasi the cleaner of the two. On 1898 days when both cities reported, Asansol was cleaner on 1119 of them; the average daily gap was 77 AQI points.
Seasonality & days
Asansol peaks in December, while Varanasi peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Varanasi was 2.8% Severe and 36% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Varanasi 87 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Varanasi has improved by 169 AQI points (75.1%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Varanasi hit AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Varanasi spans 4 stations with a 94-point spread (min 71, max 165).
Verdict
🏆 Varanasi has better air quality with an AQI of 74 compared to Asansol's 215. That's a significant difference of 141 points.