Nagapattinam vs Nalbāri
Side-by-side air quality comparison between Nagapattinam and Nalbāri.
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 | Nalbāri |
|---|---|---|
| PM2.5(µg/m³) | 12.50 | 54.50 |
| PM10(µg/m³) | 16.20 | 61.20 |
| NO₂(µg/m³) | 9.80 | 6.50 |
| SO₂(µg/m³) | 4.10 | 5.80 |
| O₃(µg/m³) | 38.00 | 123.00 |
| CO(µg/m³) | 211.00 | 407.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Nalbāri averaged 129 — a 69-point (115%) gap, with Nalbāri the more polluted and Nagapattinam the cleaner of the two. On 41 days when both cities reported, Nagapattinam was cleaner on 25 of them; the average daily gap was 50 AQI points.
Seasonality & days
Nagapattinam peaks in November, while Nalbāri peaks in January. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Nalbāri 18 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 21 compared to Nalbāri's 91. That's a significant difference of 70 points.