Portland Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Maine
Last Updated: 2025-08-22 01:40:51 PM (Local Time)
27 °C
Partly cloudy
MapPortland
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AQI Graph
Historical Air Quality Data
Portland
Download 2024 Annual Data
World Air Quality Report
AQI Trends - Annual Air Quality Changes
Portland, Maine, United States
Annual AQI Trends
Most & Least Polluted Months
* This data analysis is from year 2020 - 2025
Portland's Locations
Real-time Air Pollution Level
United States's Metro Cities
Air Quality Index
Air Quality Calendar 2025
Portland
Health Advice For People Living In
Portland
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI
Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable
As per the current AQI, turn off the air purifier.
Get an Air PurifierPrevent Health Problems: Understand Your Risks
Portland
Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)
Low Chances of Asthma
Asthma
Risk of Asthma symptoms is Low when AQI is Good (0-50)
Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath
Do's :
Keep track of air quality to plan outdoor activities safely.
Drink water to keep airways moist and reduce irritation.
Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.
Don'ts :
Skip medications that is prescribed by your doctor.
Engage in outdoor activities in early morning during high pollen hours.
Most Polluted Cities 2025
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Ventress, United States
2.
Port Allen, United States
3.
Mascot, United States
4.
Fresno, United States
5.
Mayfair, United States
6.
Bakersfield, United States
7.
La Habra, United States
8.
Santa Clarita, United States
9.
Lompoc, United States
10.
Bromela, United States
Last Updated: 22 Aug 2025, 06:46 PM
AQI City RankingsAir Quality Solutions For Portland
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Portland's AQI Data Analytics Solutions
Air quality data monitoring platforms
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Your area’s real-time data with detailed parameters.
Personalized health advice as per current AQI.
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Air Quality FAQs
at Portland
Frequently Asked Questions About Air Quality
What is the current AQI level in Portland?
The current real-time AQI level in Portland is 33 (Good). This was last updated 2025-08-22 01:40:51 PM (Local Time).
When was the best AQI level in Portland in the last 24 hours?
The best AQI level was 19 (Good) at 7:09 PM, Aug 21, 2025 (Local Time) during the last 24 hours.
When was the worst AQI level in Portland in the last 24 hours?
The worst AQI level was 33 (Good) at 11:09 AM (Local Time) during the last 24 hours.
What is the current trend of AQI levels in Portland during last 24 hours?
The AQI levels in Portland have been fluctuating throughout the last 24 hours. The levels have increased by highest 33 at 11:09 AM (Local Time), lowest 19 at 7:09 PM, Aug 21, 2025 (Local Time).
What actions are recommended as per the current AQI level in Portland?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
Recent AQI Blogs
Read the latest news
Here are some latest blogs that you can go through to find out more air pollution.
