Asansol vs Bangalore
Side-by-side air quality comparison between Asansol and Bangalore.
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 | Bangalore |
|---|---|---|
| PM2.5(µg/m³) | 91.00 | 5.10 |
| PM10(µg/m³) | 96.20 | 5.60 |
| NO₂(µg/m³) | 48.00 | 9.50 |
| SO₂(µg/m³) | 91.90 | 4.20 |
| O₃(µg/m³) | 58.00 | 35.00 |
| CO(µg/m³) | 838.00 | 290.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Bangalore averaged 74 — a 71-point (96%) gap, with Asansol the more polluted and Bangalore the cleaner of the two. On 1986 days when both cities reported, Bangalore was cleaner on 1002 of them; the average daily gap was 64 AQI points.
Seasonality & days
Asansol peaks in December, while Bangalore peaks in March. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Bangalore was 0.5% Severe and 42.6% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Bangalore 31 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Bangalore has improved by 26 AQI points (26%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Bangalore hit AQI 500 at Silk Board (KSPCB) on 2024-01-10.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Bangalore spans 14 stations with a 50-point spread (min 49, max 99).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Asansol's 204. That's a significant difference of 195 points.