Bareilly vs Nagapattinam
Side-by-side air quality comparison between Bareilly 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 | Bareilly | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 76.40 | 12.00 |
| PM10(µg/m³) | 106.60 | 15.60 |
| NO₂(µg/m³) | 44.80 | 10.70 |
| SO₂(µg/m³) | 9.80 | 3.80 |
| O₃(µg/m³) | 39.00 | 35.00 |
| CO(µg/m³) | 976.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bareilly averaged an AQI of 61 while Nagapattinam averaged 60 — a 1-point (2%) gap, with Bareilly the more polluted and Nagapattinam the cleaner of the two. On 47 days when both cities reported, Nagapattinam was cleaner on 33 of them; the average daily gap was 32 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bareilly logged 0% Severe days and 73.1% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Bareilly 51 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Bareilly reached AQI 292 at Rajendra Nagar (UPPCB) on 2022-11-03; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Bareilly spans 2 CPCB stations with a 12-point spread (min 71, max 83); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 20 compared to Bareilly's 155. That's a significant difference of 135 points.