Latur vs Purnia
Side-by-side air quality comparison between Latur 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 | Latur | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 22.50 | 88.20 |
| PM10(µg/m³) | 49.10 | 98.70 |
| NO₂(µg/m³) | 1.00 | 2.30 |
| SO₂(µg/m³) | 3.30 | 24.60 |
| O₃(µg/m³) | 107.00 | 239.00 |
| CO(µg/m³) | 142.00 | 359.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Latur averaged an AQI of 83 while Purnia averaged 133 — a 50-point (60%) gap, with Purnia the more polluted and Latur the cleaner of the two. On 414 days when both cities reported, Latur was cleaner on 348 of them; the average daily gap was 69 AQI points.
Seasonality & days
Latur peaks in November, while Purnia peaks in January. Latur logged 0% Severe days and 73.6% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Latur 120 days, Purnia 14 days.
Year-over-year progress
Latur has worsened by 7 AQI points (9.2%) from 2023 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Latur reached AQI 241 at Sawe Wadi (MPCB) on 2024-01-04; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Latur spans 1 CPCB stations with a 0-point spread (min 81, max 81); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Latur has better air quality with an AQI of 49 compared to Purnia's 194. That's a significant difference of 145 points.