Amarāvati vs Nagapattinam
Side-by-side air quality comparison between Amarāvati 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 | Amarāvati | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 19.70 | 12.00 |
| PM10(µg/m³) | 21.60 | 15.60 |
| NO₂(µg/m³) | 11.60 | 10.70 |
| SO₂(µg/m³) | 4.90 | 3.80 |
| O₃(µg/m³) | 65.00 | 35.00 |
| CO(µg/m³) | 229.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Amarāvati averaged an AQI of 63 while Nagapattinam averaged 60 — a 3-point (5%) gap, with Amarāvati the more polluted and Nagapattinam the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 32 of them; the average daily gap was 26 AQI points.
Seasonality & days
Amarāvati peaks in December, while Nagapattinam peaks in November. Amarāvati logged 0% Severe days and 78.5% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Amarāvati 92 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Amarāvati reached AQI 307 at Secretariat (APPCB) on 2020-12-28; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Amarāvati spans 1 CPCB stations with a 0-point spread (min 74, max 74); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 20 compared to Amarāvati's 33.