Chapra vs Firozabad
Side-by-side air quality comparison between Chapra 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 | Chapra | Firozabad |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 59.60 |
| PM10(µg/m³) | 117.10 | 146.70 |
| NO₂(µg/m³) | 42.70 | 22.30 |
| SO₂(µg/m³) | 15.30 | 8.40 |
| O₃(µg/m³) | 46.00 | 71.00 |
| CO(µg/m³) | 805.00 | 494.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Firozabad averaged 73 — a 76-point (104%) gap, with Chapra the more polluted and Firozabad the cleaner of the two. On 617 days when both cities reported, Firozabad was cleaner on 481 of them; the average daily gap was 93 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Firozabad was 0.6% Severe and 56.6% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Firozabad 68 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Firozabad has improved by 70 AQI points (49%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Firozabad hit AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); 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 Chapra's 244. That's a significant difference of 112 points.