Hyderabad vs Thiruvananthapuram
Side-by-side air quality comparison between Hyderabad 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 | Hyderabad | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 20.50 | 5.30 |
| PM10(µg/m³) | 27.90 | 9.50 |
| NO₂(µg/m³) | 10.40 | 1.50 |
| SO₂(µg/m³) | 5.30 | 0.40 |
| O₃(µg/m³) | 63.00 | 38.00 |
| CO(µg/m³) | 281.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Thiruvananthapuram averaged 56 — a 22-point (39%) gap, with Hyderabad the more polluted and Thiruvananthapuram the cleaner of the two. On 2255 days when both cities reported, Thiruvananthapuram was cleaner on 2062 of them; the average daily gap was 57 AQI points.
Seasonality & days
Hyderabad peaks in December, while Thiruvananthapuram peaks in January. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Thiruvananthapuram 172 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); 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 Hyderabad's 34.