Nagapattinam vs Surat
Side-by-side air quality comparison between Nagapattinam and Surat.
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 | Surat |
|---|---|---|
| PM2.5(µg/m³) | 12.50 | 25.70 |
| PM10(µg/m³) | 16.20 | 47.30 |
| NO₂(µg/m³) | 9.80 | 22.40 |
| SO₂(µg/m³) | 4.10 | 40.70 |
| O₃(µg/m³) | 38.00 | 35.00 |
| CO(µg/m³) | 211.00 | 266.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Surat averaged 83 — a 23-point (38%) gap, with Surat the more polluted and Nagapattinam the cleaner of the two. On 33 days when both cities reported, Nagapattinam was cleaner on 28 of them; the average daily gap was 94 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; Surat was 0% Severe and 55.9% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Surat 55 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Surat hit AQI 384 at Science Center (SMC) on 2023-08-19.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Surat spans 1 stations with a 0-point spread (min 123, max 123).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 21 compared to Surat's 47.