Firozabad vs Silchar
Side-by-side air quality comparison between Firozabad and Silchar.
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 | Firozabad | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 59.60 | 35.20 |
| PM10(µg/m³) | 146.70 | 45.10 |
| NO₂(µg/m³) | 22.30 | 10.60 |
| SO₂(µg/m³) | 8.40 | 6.70 |
| O₃(µg/m³) | 71.00 | 100.00 |
| CO(µg/m³) | 494.00 | 270.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Firozabad averaged an AQI of 73 while Silchar averaged 52 — a 21-point (40%) gap, with Firozabad the more polluted and Silchar the cleaner of the two. On 343 days when both cities reported, Silchar was cleaner on 251 of them; the average daily gap was 33 AQI points.
Seasonality & days
Firozabad peaks in January, while Silchar peaks in February. Firozabad logged 0.6% Severe days and 56.6% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Firozabad 68 days, Silchar 87 days.
Year-over-year progress
Firozabad has improved by 70 AQI points (49%) from 2021 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Firozabad reached AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Firozabad spans 2 CPCB stations with a 19-point spread (min 88, max 107); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 59 compared to Firozabad's 132. That's a significant difference of 73 points.