Hāveri vs Nagapattinam
Side-by-side air quality comparison between Hāveri 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 | Hāveri | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 7.40 | 12.50 |
| PM10(µg/m³) | 9.60 | 16.20 |
| NO₂(µg/m³) | 6.90 | 9.80 |
| SO₂(µg/m³) | 1.00 | 4.10 |
| O₃(µg/m³) | 33.00 | 38.00 |
| CO(µg/m³) | 120.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hāveri averaged an AQI of 66 while Nagapattinam averaged 60 — a 6-point (10%) gap, with Hāveri the more polluted and Nagapattinam the cleaner of the two. On 22 days when both cities reported, Nagapattinam was cleaner on 14 of them; the average daily gap was 43 AQI points.
Seasonality & days
Hāveri peaks in January, while Nagapattinam peaks in November. Hāveri logged 0% Severe days and 86.69999999999999% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Hāveri 76 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Hāveri reached AQI 262 at Ashwini Nagar (KSPCB) on 2023-11-17; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Hāveri spans 1 CPCB stations with a 0-point spread (min 68, max 68); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Hāveri has better air quality with an AQI of 12 compared to Nagapattinam's 21.