Bihar Sharif vs Firozabad
Side-by-side air quality comparison between Bihar Sharif 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 | Bihar Sharif | Firozabad |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 59.60 |
| PM10(µg/m³) | 79.40 | 146.70 |
| NO₂(µg/m³) | 27.20 | 22.30 |
| SO₂(µg/m³) | 14.60 | 8.40 |
| O₃(µg/m³) | 64.00 | 71.00 |
| CO(µg/m³) | 543.00 | 494.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Firozabad averaged 73 — a 42-point (58%) gap, with Bihar Sharif the more polluted and Firozabad the cleaner of the two. On 574 days when both cities reported, Firozabad was cleaner on 415 of them; the average daily gap was 74 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Firozabad peaks in January. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Firozabad was 0.6% Severe and 56.6% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Firozabad 68 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Firozabad has improved by 70 AQI points (49%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Firozabad hit AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Firozabad spans 2 stations with a 19-point spread (min 88, max 107).
Verdict
🏆 Firozabad has better air quality with an AQI of 132 compared to Bihar Sharif's 140.