Gaya vs Hisar
Side-by-side air quality comparison between Gaya and Hisar.
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 | Gaya | Hisar |
|---|---|---|
| PM2.5(µg/m³) | 61.20 | 75.70 |
| PM10(µg/m³) | 73.80 | 224.40 |
| NO₂(µg/m³) | 16.60 | 34.70 |
| SO₂(µg/m³) | 13.20 | 8.30 |
| O₃(µg/m³) | 86.00 | 43.00 |
| CO(µg/m³) | 309.00 | 508.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gaya averaged an AQI of 110 while Hisar averaged 136 — a 26-point (24%) gap, with Hisar the more polluted and Gaya the cleaner of the two. On 1604 days when both cities reported, Gaya was cleaner on 871 of them; the average daily gap was 72 AQI points.
Seasonality & days
Gaya peaks in January, while Hisar peaks in November. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Hisar was 1.6% Severe and 29.700000000000003% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Hisar 34 days.
Year-over-year progress
Gaya has improved by 89 AQI points (44.7%) from 2016 to 2024; Hisar has improved by 39 AQI points (22.3%) over the same window. The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Hisar hit AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02.
Station-level disparity
Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Hisar spans 1 stations with a 0-point spread (min 168, max 168).
Verdict
🏆 Gaya has better air quality with an AQI of 105 compared to Hisar's 183. That's a significant difference of 78 points.