Davanagere vs Nagapattinam
Side-by-side air quality comparison between Davanagere 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 | Davanagere | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 7.30 | 12.00 |
| PM10(µg/m³) | 9.70 | 15.60 |
| NO₂(µg/m³) | 6.50 | 10.70 |
| SO₂(µg/m³) | 2.00 | 3.80 |
| O₃(µg/m³) | 35.00 | 35.00 |
| CO(µg/m³) | 153.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Davanagere averaged an AQI of 57 while Nagapattinam averaged 60 — a 3-point (5%) gap, with Nagapattinam the more polluted and Davanagere the cleaner of the two. On 33 days when both cities reported, Nagapattinam was cleaner on 27 of them; the average daily gap was 31 AQI points.
Seasonality & days
Davanagere peaks in March, while Nagapattinam peaks in November. Davanagere logged 0% Severe days and 89.6% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Davanagere 35 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Davanagere reached AQI 233 at Devaraj Urs Badavane (KSPCB) on 2023-11-15; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Davanagere spans 1 CPCB stations with a 0-point spread (min 57, max 57); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Davanagere has better air quality with an AQI of 12 compared to Nagapattinam's 20.