Hyderabad vs Tirunelveli
Side-by-side air quality comparison between Hyderabad 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 | Hyderabad | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 19.90 | 4.30 |
| PM10(µg/m³) | 27.50 | 5.30 |
| NO₂(µg/m³) | 11.90 | 6.20 |
| SO₂(µg/m³) | 5.60 | 1.80 |
| O₃(µg/m³) | 58.00 | 26.00 |
| CO(µg/m³) | 232.00 | 139.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Tirunelveli averaged 30 — a 48-point (160%) gap, with Hyderabad the more polluted and Tirunelveli the cleaner of the two. On 119 days when both cities reported, Tirunelveli was cleaner on 119 of them; the average daily gap was 101 AQI points.
Seasonality & days
Hyderabad peaks in December, while Tirunelveli peaks in October. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); 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 Hyderabad's 33.