Bilaspur vs Hisar
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Hisar |
|---|---|---|
| PM2.5(µg/m³) | 38.80 | 75.70 |
| PM10(µg/m³) | 47.40 | 224.40 |
| NO₂(µg/m³) | 22.60 | 34.70 |
| SO₂(µg/m³) | 15.90 | 8.30 |
| O₃(µg/m³) | 56.00 | 43.00 |
| CO(µg/m³) | 481.00 | 508.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Hisar averaged 136 — a 75-point (123%) gap, with Hisar the more polluted and Bilaspur the cleaner of the two. On 668 days when both cities reported, Bilaspur was cleaner on 619 of them; the average daily gap was 106 AQI points.
Seasonality & days
Bilaspur peaks in December, while Hisar peaks in November. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Hisar was 1.6% Severe and 29.700000000000003% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Hisar 34 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Hisar has improved by 39 AQI points (22.3%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Hisar hit AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Hisar spans 1 stations with a 0-point spread (min 168, max 168).
Verdict
🏆 Bilaspur has better air quality with an AQI of 65 compared to Hisar's 183. That's a significant difference of 118 points.