Five years of energy prices, fuel mix, and air quality data for Illinois. Use these links if you need to save money on energy bills:
| 2021-04 | 2021-05 | 2021-06 | 2021-07 | 2021-08 | 2021-09 | 2021-10 | 2021-11 | 2021-12 | 2022-01 | 2022-02 | 2022-03 | 2022-04 | 2022-05 | 2022-06 | 2022-07 | 2022-08 | 2022-09 | 2022-10 | 2022-11 | 2022-12 | 2023-01 | 2023-02 | 2023-03 | 2023-04 | 2023-05 | 2023-06 | 2023-07 | 2023-08 | 2023-09 | 2023-10 | 2023-11 | 2023-12 | 2024-01 | 2024-02 | 2024-03 | 2024-04 | 2024-05 | 2024-06 | 2024-07 | 2024-08 | 2024-09 | 2024-10 | 2024-11 | 2024-12 | 2025-01 | 2025-02 | 2025-03 | 2025-04 | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $0.14 | $0.14 | $0.13 | $0.13 | $0.13 | $0.13 | $0.14 | $0.14 | $0.13 | $0.13 | $0.14 | $0.15 | $0.15 | $0.15 | $0.17 | $0.16 | $0.17 | $0.17 | $0.17 | $0.17 | $0.16 | $0.16 | $0.17 | $0.17 | $0.18 | $0.18 | $0.15 | $0.15 | $0.14 | $0.15 | $0.16 | $0.16 | $0.15 | $0.15 | $0.16 | $0.16 | $0.17 | $0.17 | $0.16 | $0.15 | $0.16 | $0.16 | $0.16 | $0.17 | $0.16 | $0.16 | $0.16 | $0.18 | $0.18 | $0.19 | $0.18 | $0.17 | $0.18 | $0.19 | $0.19 | $0.18 | $0.17 | $0.16 | no data available | no data available |
| 2021-04 | 2021-05 | 2021-06 | 2021-07 | 2021-08 | 2021-09 | 2021-10 | 2021-11 | 2021-12 | 2022-01 | 2022-02 | 2022-03 | 2022-04 | 2022-05 | 2022-06 | 2022-07 | 2022-08 | 2022-09 | 2022-10 | 2022-11 | 2022-12 | 2023-01 | 2023-02 | 2023-03 | 2023-04 | 2023-05 | 2023-06 | 2023-07 | 2023-08 | 2023-09 | 2023-10 | 2023-11 | 2023-12 | 2024-01 | 2024-02 | 2024-03 | 2024-04 | 2024-05 | 2024-06 | 2024-07 | 2024-08 | 2024-09 | 2024-10 | 2024-11 | 2024-12 | 2025-01 | 2025-02 | 2025-03 | 2025-04 | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $1.10 | $1.27 | $2.03 | $2.13 | $2.24 | $2.13 | $1.67 | $1.14 | $1.16 | $0.98 | $0.97 | $1.14 | $1.21 | $1.85 | $2.40 | $3.06 | $3.02 | $2.70 | $2.00 | $1.57 | $1.18 | $1.08 | $1.03 | $0.89 | $1.02 | $1.34 | $1.84 | $2.18 | $2.40 | $2.19 | $1.35 | $0.92 | $0.93 | $0.83 | $1.02 | $1.03 | $1.11 | $1.60 | $1.78 | $2.00 | $1.99 | $1.99 | $1.52 | $1.03 | $0.82 | $0.79 | $0.89 | $1.05 | $1.31 | $1.57 | $1.99 | $2.20 | $2.24 | $2.07 | $1.49 | $1.02 | $0.91 | $0.93 | no data available | no data available |
| 2021-04 | 2021-05 | 2021-06 | 2021-07 | 2021-08 | 2021-09 | 2021-10 | 2021-11 | 2021-12 | 2022-01 | 2022-02 | 2022-03 | 2022-04 | 2022-05 | 2022-06 | 2022-07 | 2022-08 | 2022-09 | 2022-10 | 2022-11 | 2022-12 | 2023-01 | 2023-02 | 2023-03 | 2023-04 | 2023-05 | 2023-06 | 2023-07 | 2023-08 | 2023-09 | 2023-10 | 2023-11 | 2023-12 | 2024-01 | 2024-02 | 2024-03 | 2024-04 | 2024-05 | 2024-06 | 2024-07 | 2024-08 | 2024-09 | 2024-10 | 2024-11 | 2024-12 | 2025-01 | 2025-02 | 2025-03 | 2025-04 | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no data available | no data available | no data available | no data available | no data available | no data available | $2.18 | $2.22 | $2.16 | $2.25 | $2.41 | $2.42 | no data available | no data available | no data available | no data available | no data available | no data available | $2.07 | $2.10 | $2.12 | $2.14 | $2.11 | $2.05 | no data available | no data available | no data available | no data available | no data available | no data available | $1.79 | $1.82 | $1.84 | $1.93 | $1.94 | $1.92 | $1.88 | $1.81 | $1.72 | $1.70 | $1.68 | $1.70 | $1.76 | $1.76 | $1.86 | $2.07 | $2.08 | $1.99 | $1.85 | $1.75 | no data available | no data available | no data available | no data available | $1.73 | $1.73 | $1.89 | $1.96 | $2.13 | $2.03 |
| Coal % | Natural Gas % | Nuclear % | Hydro % | Wind % | Solar % | Biomass % | CO2 (g/kWh) |
|---|---|---|---|---|---|---|---|
| 15.3 | 16.0 | 54.9 | 0.1 | 12.3 | 1.1 | 0.1 | 472 |
Electricity generation fuel mix percentages and CO2 emissions rates for Illinois from the EPA's eGRID database.
Current Air Quality Index (AQI) values for Illinois. AQI ranges from 0–500+, with higher values indicating worse air quality.
| % Good days | 90th percentile AQI | Dominant Pollutant | % of days unhealthy for sensitive groups | Worst county | Coverage % |
|---|---|---|---|---|---|
| 71.6 | 59.5 | Ozone | 0.5 | Cook | 22.5 |