Chandigarh vs Firozabad
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Firozabad |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 59.60 |
| PM10(µg/m³) | 63.60 | 146.70 |
| NO₂(µg/m³) | 30.10 | 22.30 |
| SO₂(µg/m³) | 10.30 | 8.40 |
| O₃(µg/m³) | 64.00 | 71.00 |
| CO(µg/m³) | 602.00 | 494.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Firozabad averaged 73 — a 80-point (110%) gap, with Chandigarh the more polluted and Firozabad the cleaner of the two. On 860 days when both cities reported, Firozabad was cleaner on 669 of them; the average daily gap was 81 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Firozabad was 0.6% Severe and 56.6% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Firozabad 68 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Firozabad has improved by 70 AQI points (49%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Firozabad hit AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Firozabad spans 2 stations with a 19-point spread (min 88, max 107).
Verdict
🏆 Chandigarh has better air quality with an AQI of 78 compared to Firozabad's 132. That's a significant difference of 54 points.