Why Calgary Is the Cleanest City in the World

By Jared Sarbit

Peace Bridge across Bow River in Calgary on a sunny day with a big blue sky in the background.

Summary

Calgary consistently ranks as one of the world’s cleanest cities, earning recognition from international organizations like Mercer’s Quality of Living Survey and various environmental indexes. This distinction isn’t accidental. It’s the result of decades of strategic investment in infrastructure, strict environmental policies, advanced waste management systems, and a culture of civic pride among Calgarians.

Time to Read	~7 minutes
What You’ll Learn	– Why Calgary is consistently ranked among the cleanest cities in the world – How water treatment and wastewater systems protect public health – The role of waste diversion, recycling, and road maintenance in city cleanliness – How air quality, traffic flow, and commercial cleaning contribute to a cleaner urban environment
Next Steps	– Take a closer look at how municipal systems support clean public spaces – Evaluate how your business contributes to Calgary’s overall cleanliness – Review your current commercial cleaning practices and standards – Contact Picture Perfect Cleaning to discuss cleaning solutions for your space

Most people think of Calgary for its Rocky Mountain views and busy downtown energy. What often surprises visitors is how clean the city feels. Calgary is regularly ranked as one of the cleanest cities in the world.

International rankings, including the Mercer Quality of Living Survey and several environmental studies, consistently place Calgary near the top alongside cities like Zurich and Helsinki. That reputation comes from more than tidy sidewalks. It reflects long-term investment in infrastructure, strong environmental policies, and a community that takes pride in maintaining shared spaces.

At Picture Perfect Cleaning, we provide top-tier commercial cleaning solutions across the city, so we see firsthand just how the Calgary standard of cleanliness extends from our public streets into our professional workspaces.

A City Built on Cleanliness

A woman pours clean water from a tap into a glass.

From water systems to waste management, several factors work together to support Calgary’s reputation as a clean, livable city.

1. World-Class Water Cleanliness and Availability

Calgary’s water quality is legendary. Nestled in the foothills of the Rockies, the city draws its water from the Bow and Elbow River watersheds. However, nature only does half the work; the City of Calgary’s sophisticated treatment plants do the rest.

Advanced Filtration: Calgary utilizes state-of-the-art membrane filtration and ultraviolet (UV) disinfection. This ensures that the water coming out of the tap is among the safest and most refreshing in the world.
The Water Centre: The city’s administrative hub for water services is a LEED Gold-certified building that showcases sustainable water management. It features on-site rainwater harvesting, reducing the building’s potable water consumption by nearly 60%.
Watershed Protection: Unlike many urban centers that struggle with industrial runoff, Calgary has strict regulations that protect its riparian areas, ensuring water remains clean before it reaches a treatment facility.

2. Advanced Sewage and Wastewater Treatment Systems

Infographic with The Lifecycle of Calgary Water

A city’s cleanliness is often shaped by systems people rarely see. Calgary’s wastewater management one such system, and is widely recognized for its efficiency and environmental protection standards.

The city operates three major wastewater treatment facilities: Bonnybrook, Fish Creek, and Pine Creek. Together, these plants process more than 400 million litres of wastewater each day while also recovering usable resources during treatment.

Here are a few fast facts:

Treatment often exceeds provincial and federal requirements before water is discharged back into rivers.
These facilities remove over 95% of organic matter, nutrients, and contaminants, protecting downstream ecosystems.
Calgary treats a higher percentage of stormwater than many cities treat sanitary water.
The city utilizes separate storm and sanitary sewer systems, stormwater retention ponds, bioswales, and permeable pavement.
Heavy investment in pipe replacement and real-time monitoring helps prevent system failures and meet the needs of a growing population.

3. Optimized Traffic Flow and Reduced Emissions

Calgary's C Train stopped at City Hall Station.

Image via Wikipedia from user Zeekakboos

As we all know, air quality and cleanliness are inextricably linked to how a city moves. Calgary’s “Go Plan” and integrated transportation strategies focus on minimizing idling and congestion.

Did you know:

Calgary’s CTrain system was the first light rail network in North America powered entirely by wind-generated electricity. This renewable energy approach supports lower transportation emissions while helping move thousands of commuters each day without adding more vehicles to the road.
The city’s grid-style road layout and synchronized traffic lights help reduce stop-and-go driving. When vehicles spend less time idling, emissions drop and streets stay noticeably cleaner than in many larger urban centers.
Calgary also makes strong use of dedicated bus lanes and carpool routes. Prioritizing high-occupancy vehicles helps shorten commute times and reduces the number of single-driver vehicles contributing to congestion.
Active transportation plays a major role as well. Calgary maintains more than 1,000 kilometres of bike paths throughout the city, giving residents and visitors alike a practical alternative to driving while supporting healthier and lower-emission commuting.
Downtown Calgary is designed to be pedestrian-friendly, with walkable streets and accessible public spaces. Reducing reliance on vehicles in dense areas helps limit pollution buildup and contributes to a cleaner and more comfortable city core.

4. Comprehensive Waste and Recycling Programs

Blue and black recycling bins outside on a grassy area beside a sidewalk.

Calgary’s waste management system is among the most advanced in North America, achieving waste diversion rates that exceed 70%, well above the national average.

The Three-Cart System

The city’s blue, green, and black cart program makes recycling and composting easy and accessible for everyone:

Blue Cart (Recycling): Paper, cardboard, plastics, metals, and glass
Green Cart (Composting): Food waste, yard waste, and compostable materials
Black Cart (Landfill): Non-recyclable, non-compostable waste only

Organic Waste Processing

The city’s composting program diverts over 60,000 tonnes of organic waste from landfills every year. This material is processed into nutrient-rich compost that is then used in parks, gardens, and landscaping projects throughout Calgary, creating a closed-loop system that reduces waste while enriching soil.

5. Impeccably Maintained Streets and Public Spaces

Infographic with Stats Behind Calgary as one of the Cleanest Cities in the World

One of the most immediate things visitors to our beautiful city notice is the condition of the pavement. Calgary invests heavily in its annual “Spring Clean-up” program.

Once the snow melts, high-efficiency street sweepers hit the roads to remove over 30,000 tonnes of sand and salt left behind from the winter. This prevents dust from entering the air and debris from clogging the storm drains.

The Spring Clean-up program employs:

A fleet of specialized street sweepers and cleaning equipment
Coordinated scheduling that minimizes traffic disruption
Public communication systems to notify residents of cleaning schedules
Environmentally responsible disposal of collected materials

What’s more, the parks department maintains over 8,000 hectares of parkland and 1,000 kilometers of pathways that make the entire city feel like a well-kept garden.

Anti-Littering Enforcement and Education

Calgary enforces strict anti-littering bylaws with fines up to $1,000 for violations. However, the city’s success stems primarily from education and civic pride, not from enforcement alone. Community cleanup events, school programs, and public awareness campaigns encourage residents to take ownership of their city’s cleanliness.

The result is a city where clean streets and public spaces are the norm, contributing to Calgary’s reputation as one of the world’s most beautiful and livable urban centers.

6. Exceptional Air Quality and Low Pollution Levels

Wind turbines against a beautiful blue sky.

Calgary is famous for its “Blue Sky City” branding, and it isn’t just marketing. The city ranks among the best major cities for air quality worldwide.

Calgary’s air quality indices tell a compelling story:

PM2.5 levels: Average annual concentration of approximately 5 μg/m³, well below WHO guidelines of 10 μg/m³.
Air Quality Index (AQI): Typically ranges between 30-40, consistently rated as ‘good.’
Annual ‘good’ air quality days: Over 90% of days meet or exceed air quality standards.

The combination of high altitude, the “Chinook” winds that sweep the air clean, and a lack of heavy polluting industry within city limits ensures that the air is crisp and clear. This lack of airborne pollutants means that buildings stay cleaner longer, and the overall “feel” of the city remains fresh and vibrant.

How Picture Perfect Cleaning Contributes to Calgary’s Legacy

A clean city is a collective effort. While the municipal government handles the streets and the sewers, the internal health of the city’s businesses rests on us.

At Picture Perfect Cleaning, we believe that the “cleanest city in the world” deserves the cleanest offices, medical facilities, and schools in the world. We contribute to Calgary’s gold standard by using eco-friendly solutions and green cleaning products that don’t contribute to water or air pollution. Our health-first protocols ensure that high-traffic commercial spaces are meticulously sanitized to prevent the spread of illness, directly supporting the city’s reputation for health and wellness.

By supporting local businesses, we ensure the whole city shines. If you’d like Picture Perfect Cleaning to help your business contribute to Calgary’s cleanliness legacy, contact us for a free quote today.

Cost Calculator

What Is In-House Cleaning Really Costing You?

Adjust the four numbers below to see your true annual in-house cleaning cost, an estimated cost range with Picture Perfect Cleaning, and what you'd save by making the switch.

Current in-house staff cost

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Supply and equipment costs

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Management oversight time

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Sick days or missed shifts

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Your Cost Comparison

True In-House Cost

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Estimates are based on average commercial cleaning rates across Alberta and typical management and coverage costs. Your actual quote depends on square footage, service frequency, facility type, and scope of work. Request a custom quote above for an exact number.

The Hidden Cost of In-House Cleaning

A wage comparison only tells part of the story. Here’s what usually gets left out:

Wages and Benefits

Payroll is usually the first number people look at when they think about cleaning costs, but it rarely tells the whole story. Supplies, equipment, manager oversight, scheduling headaches, and the inevitable sick days all add up over time. By the time you account for everything, the true cost of keeping cleaning in-house can look very different from what’s on the payroll report. That’s exactly what our cost comparison tool is designed to help you see, along with what outsourcing might save.

Supplies and Equipment

Cleaning products, paper goods, vacuums, floor machines, and the replacement parts that keep them running all add up over the course of a year. Businesses that clean in-house often buy retail-grade supplies at retail prices because they don’t have access to the commercial pricing that a cleaning company gets from its suppliers. Equipment also breaks down, and replacing a vacuum or floor buffer every few years is a cost that rarely gets planned for in advance.

Management Time

Somebody has to schedule shifts, check the quality of the work, order more supplies when they run low, and step in when something gets missed. That’s real time pulled from a manager’s actual job, and it rarely gets assigned a dollar value, even though it should. If a facilities manager or office lead spends even a few hours a week on cleaning oversight, that’s time not spent on the parts of their role that actually move the business forward.

Absenteeism and Coverage Gaps

Sick days and missed shifts are part of running any team. When they happen, the work still has to get done, which usually means paying someone else to cover the shift or accepting that some tasks will have to wait. Over the course of a year, those extra costs can become surprisingly significant. There’s another effect that’s harder to measure, too. When cleaning is inconsistent, people notice. Employees notice it, clients notice it, and visitors notice it, even if they couldn’t tell you exactly why the space feels different.

Cost Category	What It Covers
Wages & Benefits	Annual pay for in-house cleaning staff
Supplies & Equipment	Products, tools, and machine upkeep
Management Time	Hours spent scheduling and supervising
Absenteeism	Missed shifts and last-minute coverage

Why Outsourcing Often Comes Out Ahead

Once you’ve seen your own numbers, the reasons behind the gap start to make sense.

Predictable Pricing

A cleaning company quote covers labor, supplies, and equipment on a single line. You know what you’re paying before the work starts, and that number doesn’t shift because someone called in sick or a vacuum broke down. Budgeting gets easier when the cost of cleaning is a single line item rather than four separate ones scattered across payroll, supplies, and management time.

No Coverage Gaps

When a member of an in-house cleaning team calls in sick, someone on your staff has to figure out what happens next. With a professional cleaning service, that responsibility shifts to the provider. If a cleaner is unavailable, arranging a replacement is part of the service, so your team isn’t left scrambling to fill the gap.

Accountability Built In

Picture Perfect Cleaning holds COR certification and provides regular service reporting, so you can see what’s being done and when, without spending your own hours checking on it. That’s the management time most in-house teams never get back. Our team also uses EcoLogo- and Green Seal-certified products, so you’re not trading cost savings for a lower cleaning standard.

Get Your Custom Quote

Wages are only one line in what in-house cleaning actually costs. Once you add in supplies, the hours a manager spends overseeing the crew, and the gaps left by sick days, the real number is usually higher than what shows up on a payroll report and often higher than what a professional service would charge for the same work. That’s the gap the tool above is built to show you, along with what outsourcing could put back in your budget.

Our cost comparison tool gives you a reasonable estimate of what you could save by switching to a professional cleaning service, not a final number. Every building is different, and factors like your cleaning schedule, the size of your facility, and the services you need will affect the actual cost. If you’d like a more accurate quote based on your space, contact Picture Perfect Cleaning, and we’ll walk you through the options.