Kaithal vs Purnia
Side-by-side air quality comparison between Kaithal 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 | Kaithal | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 96.90 | 112.00 |
| PM10(µg/m³) | 409.80 | 115.70 |
| NO₂(µg/m³) | 23.20 | 31.10 |
| SO₂(µg/m³) | 11.60 | 18.40 |
| O₃(µg/m³) | 49.00 | 42.00 |
| CO(µg/m³) | 744.00 | 756.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kaithal averaged an AQI of 126 while Purnia averaged 133 — a 7-point (6%) gap, with Purnia the more polluted and Kaithal the cleaner of the two. On 820 days when both cities reported, Kaithal was cleaner on 513 of them; the average daily gap was 77 AQI points.
Seasonality & days
Kaithal peaks in November, while Purnia peaks in January. Kaithal logged 0.7% Severe days and 41.400000000000006% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Kaithal 39 days, Purnia 14 days.
Year-over-year progress
Kaithal has improved by 8 AQI points (6%) from 2019 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Kaithal reached AQI 467 at Rishi Nagar (HSPCB) on 2019-11-03; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Kaithal spans 1 CPCB stations with a 0-point spread (min 136, max 136); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Purnia has better air quality with an AQI of 274 compared to Kaithal's 375. That's a significant difference of 101 points.