Ghaziabad vs Thiruvananthapuram
Side-by-side air quality comparison between Ghaziabad 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 | Ghaziabad | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 71.20 | 5.20 |
| PM10(µg/m³) | 96.40 | 9.60 |
| NO₂(µg/m³) | 33.50 | 1.50 |
| SO₂(µg/m³) | 11.10 | 0.40 |
| O₃(µg/m³) | 42.00 | 38.00 |
| CO(µg/m³) | 548.00 | 91.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Thiruvananthapuram averaged 56 — a 121-point (216%) gap, with Ghaziabad the more polluted and Thiruvananthapuram the cleaner of the two. On 2246 days when both cities reported, Thiruvananthapuram was cleaner on 2193 of them; the average daily gap was 183 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Thiruvananthapuram peaks in January. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Thiruvananthapuram 172 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); 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 Ghaziabad's 138. That's a significant difference of 128 points.