Firozabad vs Thiruvananthapuram
Side-by-side air quality comparison between Firozabad and Thiruvananthapuram.
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 | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 59.60 | 5.30 |
| PM10(µg/m³) | 146.70 | 9.50 |
| NO₂(µg/m³) | 22.30 | 1.50 |
| SO₂(µg/m³) | 8.40 | 0.40 |
| O₃(µg/m³) | 71.00 | 38.00 |
| CO(µg/m³) | 494.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Firozabad averaged an AQI of 73 while Thiruvananthapuram averaged 56 — a 17-point (30%) gap, with Firozabad the more polluted and Thiruvananthapuram the cleaner of the two. On 858 days when both cities reported, Thiruvananthapuram was cleaner on 581 of them; the average daily gap was 63 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Firozabad logged 0.6% Severe days and 56.6% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Firozabad 68 days, Thiruvananthapuram 172 days.
Year-over-year progress
Firozabad has improved by 70 AQI points (49%) from 2021 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Firozabad reached AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Firozabad spans 2 CPCB stations with a 19-point spread (min 88, max 107); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Firozabad's 132. That's a significant difference of 122 points.