Nagapattinam vs Varanasi
Side-by-side air quality comparison between Nagapattinam and Varanasi.
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 | Varanasi |
|---|---|---|
| PM2.5(µg/m³) | 12.50 | 43.80 |
| PM10(µg/m³) | 16.20 | 52.90 |
| NO₂(µg/m³) | 9.80 | 28.20 |
| SO₂(µg/m³) | 4.10 | 36.90 |
| O₃(µg/m³) | 38.00 | 45.00 |
| CO(µg/m³) | 211.00 | 440.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Varanasi averaged 56 — a 4-point (7%) gap, with Nagapattinam the more polluted and Varanasi the cleaner of the two. On 47 days when both cities reported, Nagapattinam was cleaner on 39 of them; the average daily gap was 41 AQI points.
Seasonality & days
Nagapattinam peaks in November, while Varanasi peaks in January. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Varanasi was 2.8% Severe and 36% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Varanasi 87 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Varanasi hit AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Varanasi spans 4 stations with a 94-point spread (min 71, max 165).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 21 compared to Varanasi's 74. That's a significant difference of 53 points.