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Great Falls Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-09-04 04:40:36 AM (Local Time)

location image
Live AQI
97(AQI-US)
Air Quality is
Moderate
pm10 :  24 µg/m³
PM2.5 :  34 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Great Falls
clear

14 °C

Clear
Humidity
Humidity60 %

Wind Speed
Wind Speed4 km/h

UV Index
UV Index0
Last Updated: 2025-09-04 04:40:36 AM (Local Time)


Map

Great Falls

Major Air Pollutants

Great Falls

AQI Graph

Historical Air Quality Data

Great Falls

Great Falls
AQI
.
03-09-2025Time04-09-2025
59
Min.at 3:09 AM on 4th Sep
98
Max.at 4:04 AM on 4th Sep

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Great Falls, Montana, United States

Year
.
AQI


Annual AQI Trends

2020
24AQI
2021
29AQI
21%
Rise
2022
22AQI
-24%
Fall
2023
41AQI
86%
Rise
2024
37AQI
-10%
Fall
2025
34AQI
-8%
Fall
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
13%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJuly, 202170AQI

Least PollutedMay, 202212AQI

* This data analysis is from year 2020 - 2025

Great Falls's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
97
34
24
12
62
Moderate
97
34
24
12
62

United States's Metro Cities

Air Quality Index

Health Advice For People Living In

Great Falls

1Cigarettes per day

Cigarette
Weekly 7 Cigarettes
Monthly 30 Cigarettes

Breathing the air in this location is as harmful as smoking 1 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

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Great Falls

  • asthma due to air pollution in Great FallsAsthma
  • heart due to air pollution in Great FallsHeart Issues
  • allergy due to air pollution in Great FallsAllergies
  • sinus due to air pollution in Great FallsSinus
  • flu due to air pollution in Great FallsCold/Flu
  • copd due to air pollution in Great FallsChronic (COPD)
asthma due to air pollution in Great Falls

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

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 2025

United States

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

Great Falls's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
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aqi air quality app for Great Falls
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Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Great Falls

Frequently Asked Questions About Air Quality

What is the current AQI level in Great Falls?

The current real-time AQI level in Great Falls is 97 (Moderate). This was last updated 2025-09-04 04:40:36 AM (Local Time).

When was the best AQI level in Great Falls in the last 24 hours?

The best AQI level was 59 (Moderate) at 3:09 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Great Falls in the last 24 hours?

The worst AQI level was 98 (Moderate) at 4:04 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Great Falls during last 24 hours?

The AQI levels in Great Falls have been fluctuating throughout the last 24 hours. The levels have increased by highest 98 at 4:04 AM (Local Time), lowest 59 at 3:09 AM (Local Time).

What actions are recommended as per the current AQI level in Great Falls?

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