Hyderabad vs Nagapattinam
Side-by-side air quality comparison between Hyderabad and Nagapattinam.
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 | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 20.60 | 11.20 |
| PM10(µg/m³) | 33.80 | 14.80 |
| NO₂(µg/m³) | 4.90 | 5.00 |
| SO₂(µg/m³) | 4.80 | 4.50 |
| O₃(µg/m³) | 99.00 | 66.00 |
| CO(µg/m³) | 346.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Nagapattinam averaged 60 — a 18-point (30%) gap, with Hyderabad the more polluted and Nagapattinam the cleaner of the two. On 47 days when both cities reported, Nagapattinam was cleaner on 47 of them; the average daily gap was 94 AQI points.
Seasonality & days
Hyderabad peaks in December, while Nagapattinam peaks in November. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 19 compared to Hyderabad's 34.