Asansol vs Firozabad
Side-by-side air quality comparison between Asansol and Firozabad.
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 | Firozabad |
|---|---|---|
| PM2.5(µg/m³) | 89.60 | 61.00 |
| PM10(µg/m³) | 95.50 | 158.30 |
| NO₂(µg/m³) | 48.70 | 28.10 |
| SO₂(µg/m³) | 82.10 | 7.90 |
| O₃(µg/m³) | 39.00 | 44.00 |
| CO(µg/m³) | 708.00 | 514.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Firozabad averaged 73 — a 72-point (99%) gap, with Asansol the more polluted and Firozabad the cleaner of the two. On 806 days when both cities reported, Firozabad was cleaner on 558 of them; the average daily gap was 83 AQI points.
Seasonality & days
Asansol peaks in December, while Firozabad peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Firozabad was 0.6% Severe and 56.6% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Firozabad 68 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Firozabad has improved by 70 AQI points (49%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Firozabad hit AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Firozabad spans 2 stations with a 19-point spread (min 88, max 107).
Verdict
🏆 Firozabad has better air quality with an AQI of 139 compared to Asansol's 199. That's a significant difference of 60 points.