Nashik vs Purnia
Side-by-side air quality comparison between Nashik and Purnia.
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 | Nashik | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 17.40 | 105.90 |
| PM10(µg/m³) | 34.10 | 109.00 |
| NO₂(µg/m³) | 12.60 | 25.20 |
| SO₂(µg/m³) | 16.20 | 20.10 |
| O₃(µg/m³) | 28.00 | 67.00 |
| CO(µg/m³) | 158.00 | 707.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nashik averaged an AQI of 85 while Purnia averaged 133 — a 48-point (56%) gap, with Purnia the more polluted and Nashik the cleaner of the two. On 513 days when both cities reported, Nashik was cleaner on 403 of them; the average daily gap was 85 AQI points.
Seasonality & days
Nashik peaks in November, while Purnia peaks in January. Nashik logged 0% Severe days and 65.9% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Nashik 53 days, Purnia 14 days.
Year-over-year progress
Nashik has improved by 38 AQI points (30.9%) from 2017 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Nashik reached AQI 319 at Gangapur Road (MPCB) on 2024-11-24; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Nashik spans 4 CPCB stations with a 12-point spread (min 78, max 90); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Nashik has better air quality with an AQI of 34 compared to Purnia's 253. That's a significant difference of 219 points.