Climate & Environment in Crystal lake, IL
Updated 2026 • Air quality, water quality, CO2 emissions & energy costs
Crystal lake's average Air Quality Index is 2 — rated Good by EPA standards.
Understanding the Air Quality Index (AQI)
The AQI measures air pollution on a 0–500 scale. Lower is better. Here's how Crystal lake's air quality compares:
With an average AQI of 2, Crystal lake falls in the Good range. The area experienced 38 days with poor air quality over the past year, which is above average. The worst recorded AQI was 5.0, remaining within acceptable limits even at peak pollution.
Environmental Quality in Crystal lake, IL
Key environmental health indicators that affect daily life, outdoor activities, and long-term wellbeing for residents of Crystal lake.
CO2 Emissions Breakdown for IL
IL's total CO2 emissions are 184.2 million metric tons (14.7 tons per capita). This is near the US average of ~14 tons per person, typical for states with a diverse energy mix.
Source: U.S. Energy Information Administration (EIA), 2021 data. Values in million metric tons of CO2.
⚡ Energy Costs in IL
Energy prices affect monthly household budgets and are an important factor when evaluating the cost of living in Crystal lake, IL.
Residents of IL benefit from electricity prices that are 16.4¢ – 16.2¢ = lower than the national average. This means lower monthly utility bills compared to many other states, making Crystal lake more affordable for energy-intensive households.
What Crystal lake's Environment Means for You
Air Quality: Crystal lake, IL enjoys good air quality with an average AQI of 2, well within EPA's "Good" range (0–50). Residents can expect safe conditions for outdoor exercise, gardening, and recreational activities year-round.
Water Quality: Crystal lake's drinking water scores 6/10. This is an acceptable rating, meaning the water supply generally meets safety standards. Some residents choose to use filtration for taste preferences. water quality shows improvements with ongoing efforts.
Carbon Footprint: IL's per-capita CO2 emissions are 14.7 metric tons per year (total state emissions: 184.2 million metric tons). This is near the national average of ~14 tons per capita, typical for states with a mix of renewable and fossil fuel energy sources.
Energy Costs: Electricity in IL costs 16.15¢ per kWh, which is below the US average of 16.41¢/kWh. This translates to lower monthly utility bills for Crystal lake residents.
Crystal lake, IL Environment Overview
Crystal lake, IL offers excellent air quality for residents, with AQI readings averaging 2 (well below concerning levels). Water quality is 6/10. Understanding these environmental factors is essential for anyone considering this area as home.
Environmental Pros & Cons of Crystal lake, IL
Pros
- •Friendly community vibe
- •Growing job opportunities nearby
- •Welcoming to newcomers
- •Low crime rates generally
- •Access to lakes and nature
- •Family-friendly activities abound
- •Small-town charm with amenities
- •Good schools in the area
- •Diverse local events and culture
- •Nice parks and outdoor spaces
Cons
- •Public transport options lacking
- •Some traffic congestion issues
- •Job market competitive for some
- •Limited diversity in some areas
- •Tax rates can be high
- •Limited nightlife options
- •Seasonal weather challenges
- •Higher cost of living
- •May feel isolated at times
- •Limited cultural events
Frequently Asked Questions
What is the cost of living in Crystal lake, IL? ▼
The cost of living in Crystal lake, IL is 0% equal to the national average, with a cost of living index of 100 (where 100 represents the U.S. average). Housing typically accounts for the largest portion of living expenses. See full cost of living breakdown →
Is Crystal lake, IL a safe place to live? ▼
Crystal lake, IL is average in terms of safety, with crime rates near the national average. Safety varies significantly by neighborhood. View detailed Crystal lake crime statistics →
What are the best neighborhoods in Crystal lake, IL? ▼
The best neighborhoods in Crystal lake, IL depend on your priorities. For families, look for areas near top-rated schools with lower crime rates. For affordability, neighborhoods vary in price depending on proximity to amenities and schools. Explore Crystal lake on our interactive map →
How are the taxes in Crystal lake, IL? ▼
Tax rates in Crystal lake, IL include state and local components. The cost of living index of 100 reflects a moderate cost environment compared to the national average. View detailed Crystal lake tax information →
How does Crystal lake, IL compare to nearby cities? ▼
Crystal lake, IL offers comparable costs to nearby communities. With a cost of living index of 100, median home prices of $0, and a crime rate of 0 per 1,000 residents, you can compare these metrics side-by-side. Use the compare feature to evaluate specific cities.
What is the weather like in Crystal lake, IL? ▼
Weather in Crystal lake, IL varies by season. Air quality is good, with an average AQI of 1. View detailed Crystal lake climate & environment data →
Explore More About Crystal lake, IL
📅 Last Updated: February 2026
Sources: EPA Air Quality System (AQS), U.S. Energy Information Administration (EIA), NOAA, U.S. Census Bureau