Firozabad vs Tirunelveli
Side-by-side air quality comparison between Firozabad and Tirunelveli.
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 | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 61.00 | 4.30 |
| PM10(µg/m³) | 158.30 | 5.30 |
| NO₂(µg/m³) | 28.10 | 6.20 |
| SO₂(µg/m³) | 7.90 | 1.80 |
| O₃(µg/m³) | 44.00 | 26.00 |
| CO(µg/m³) | 514.00 | 139.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Firozabad averaged an AQI of 73 while Tirunelveli averaged 30 — a 43-point (143%) gap, with Firozabad the more polluted and Tirunelveli the cleaner of the two. On 115 days when both cities reported, Tirunelveli was cleaner on 110 of them; the average daily gap was 53 AQI points.
Seasonality & days
Firozabad peaks in January, while Tirunelveli peaks in October. Firozabad logged 0.6% Severe days and 56.6% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Firozabad 68 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Firozabad reached AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Firozabad spans 2 CPCB stations with a 19-point spread (min 88, max 107); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Firozabad's 139. That's a significant difference of 132 points.