Nagapattinam vs Prayagraj
Side-by-side air quality comparison between Nagapattinam and Prayagraj.
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 | Nagapattinam | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 12.00 | 80.10 |
| PM10(µg/m³) | 15.60 | 101.50 |
| NO₂(µg/m³) | 10.70 | 63.30 |
| SO₂(µg/m³) | 3.80 | 16.20 |
| O₃(µg/m³) | 35.00 | 1.00 |
| CO(µg/m³) | 206.00 | 275.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Prayagraj averaged 80 — a 20-point (33%) gap, with Prayagraj 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 57 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Prayagraj 69 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 20 compared to Prayagraj's 167. That's a significant difference of 147 points.