Asansol vs Bulandshahr
Side-by-side air quality comparison between Asansol and Bulandshahr.
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 | Bulandshahr |
|---|---|---|
| PM2.5(µg/m³) | 89.60 | 71.00 |
| PM10(µg/m³) | 95.50 | 110.10 |
| NO₂(µg/m³) | 48.70 | 35.60 |
| SO₂(µg/m³) | 82.10 | 9.70 |
| O₃(µg/m³) | 39.00 | 39.00 |
| CO(µg/m³) | 708.00 | 517.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Bulandshahr averaged 142 — a 3-point (2%) gap, with Asansol the more polluted and Bulandshahr the cleaner of the two. On 1771 days when both cities reported, Asansol was cleaner on 1259 of them; the average daily gap was 85 AQI points.
Seasonality & days
Asansol peaks in December, while Bulandshahr peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Bulandshahr was 3.2% Severe and 27.099999999999998% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Bulandshahr 41 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Bulandshahr has improved by 82 AQI points (36.6%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Bulandshahr hit AQI 500 at Yamunapuram (UPPCB) on 2018-06-13.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Bulandshahr spans 1 stations with a 0-point spread (min 180, max 180).
Verdict
🏆 Bulandshahr has better air quality with an AQI of 137 compared to Asansol's 199. That's a significant difference of 62 points.