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Calgary Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Calgary

Last Updated: 2026-07-25 00:51 (Local Time)

Live AQI

100AQI (US)

Air Quality is

Moderate

PM2.5 : 35 µg/m³

pm10 : 40 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

21 °C

Last Updated: 2026-07-25 00:51 (Local Time)

Rank76^th

Currently, Calgary ranks 76^th among the most polluted cities globally.

Map

Calgary

Major Air Pollutants
Calgary

Particulate Matter(PM₂.₅)

35µg/m³

Particulate Matter(PM₁₀)

40µg/m³

Carbon Monoxide(CO)

294ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

3ppb

Ozone(O₃)

38ppb

AQI Graph

Historical Air Quality Data
Calgary

24 Hours

AQI (US)

Calgary

AQI (US)

24-07-2026Time25-07-2026

Time	Calgary
1:01am	170
1:31am	170
2:01am	169
2:31am	168
3:01am	170
3:31am	172
4:01am	172
4:31am	170
5:01am	173
5:31am	171
6:01am	174
6:31am	173
7:01am	169
7:31am	170
8:01am	168
8:31am	168
9:01am	164
9:31am	167
10:01am	167
10:31am	169
11:01am	165
11:31am	165
12:01pm	166
12:31pm	164
1:01pm	163
1:31pm	157
2:01pm	156
2:31pm	147
3:01pm	144
3:31pm	127
4:01pm	134
4:31pm	141
5:01pm	139
5:31pm	117
6:01pm	117
6:31pm	115
7:01pm	116
7:31pm	110
8:01pm	107
8:31pm	96
9:01pm	94
9:31pm	98
10:01pm	98
10:31pm	102
11:01pm	101
11:31pm	99
12:01am	105
12:31am	99
1:01am	102
1:31am	97
2:01am	106
2:31am	104

Min. AQI (US)9:01pm

174

Max. AQI (US)6:01am

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Calgary, Alberta, Canada

AQI (US)

Calgary's Locations
Real-time Air Pollution Level

locations

Status

AQI (US)

PM₂.₅(µg/m³)

PM₁₀(µg/m³)

Temp.(°C)

Humi.(%)

Moderate

Moderate

Moderate

Moderate

Moderate

Poor

101

Southeast Calgary

Moderate

Canada's Metro Cities
Air Quality Index

Edmonton

Halifax

Montreal

Ottawa

Toronto

Vancouver

Windsor

Winnipeg

Air Quality Calendar 2026
Calgary

2026

AQI (US)

Health Advice For People Living In
Calgary

3Cigarettes per day

Weekly 21 Cigarettes

Monthly 90 Cigarettes

Breathing the air in this location is as harmful as smoking 3 cigarettes a day.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI (US)

Air PurifierTurn On

Car FilterMust

N95 MaskMust

Stay IndoorMust

Prevent Health Problems: Understand Your Risks

Calgary

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2026
Canada

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2026

World's Most PollutedCity Rankings (2025)

World's Most PollutedCountry Rankings(2025)

RankCityAQI Status

Standard Value

Castlegar, British Columbia

Poor

3xabove Standard

Trail, British Columbia

Poor

3xabove Standard

Medicine Hat, Alberta

Poor

2xabove Standard

Calgary, Alberta

Moderate

2xabove Standard

Edson, Alberta

Moderate

2xabove Standard

Airdrie, Alberta

Moderate

2xabove Standard

Swift Current, Saskatchewan

Moderate

2xabove Standard

Kamloops, British Columbia

Moderate

2xabove Standard

Lethbridge, Alberta

Moderate

2xabove Standard

10.

Cranbrook, British Columbia

Moderate

2xabove Standard

Last Updated: 25 Jul 2026, 07:02 AM

AQI City Rankings

Air Quality Solutions For Calgary
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

Prana Air offers the solutions of air quality monitoring and clean air machine for Calgary

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Calgary's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Calgary

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Calgary?

The current real-time AQI (US) level in Calgary is 100 (Moderate). This was last updated 2026-07-25 00:51 (Local Time).

2. When was the best AQI (US) level in Calgary in the last 24 hours?

The best AQI (US) level was 94 (Moderate) at 9:01 PM, Jul 24, 2026 (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Calgary in the last 24 hours?

The worst AQI (US) level was 174 (Unhealthy) at 6:01 AM, Jul 24, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Calgary during last 24 hours?

The AQI (US) levels in Calgary have been fluctuating throughout the last 24 hours. The levels have increased by highest 174 at 6:01 AM, Jul 24, 2026 (Local Time), lowest 94 at 9:01 PM, Jul 24, 2026 (Local Time).

5. What actions are recommended as per the current AQI (US) level in Calgary?

Current AQI (US) levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.