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Portland Deering Oaks Air Quality Index (AQI) | Air Pollution

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

Last Updated: 12 Aug 2025, 03:09am (Local Time)

location image
Live AQI
58(AQI-US)
Air Quality is
Moderate
pm10 :  25 µg/m³
PM2.5 :  13 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Portland Deering Oaks
mist

19 °C

Mist
Humidity
Humidity96 %
Wind Speed
Wind Speed4 km/h
UV Index
UV Index0
Last Updated: 12 Aug 2025, 03:09am (Local Time)
Map

Portland Deering Oaks

Major Air Pollutants

Portland Deering Oaks

PM2.5's Icon

Particulate Matter(PM2.5)

13µg/m³

PM10's Icon

Particulate Matter(PM10)

25µg/m³

CO's Icon

Carbon Monoxide(CO)

3ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

9ppb

O3's Icon

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data

Portland Deering Oaks

24 Hours
AQI
Portland Deering Oaks
AQI
.
11-08-2025Time12-08-2025
28
Min.at 4:24 AM on 11th Aug
64
Max.at 5:09 PM on 11th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Portland Deering Oaks, Portland, Maine, United States

AQI
Year
.
AQI

Annual AQI Trends

2020
26AQI
2021
23AQI
-12%
Fall
2022
22AQI
-4%
Fall
2023
26AQI
18%
Rise
2024
24AQI
-8%
Fall
2025
29AQI
21%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
3%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202551AQI
Least PollutedAugust, 202214AQI

* This data analysis is from year 2020 - 2025

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

38

temp.24°C
hum.88%
Los Angeles City AQI

Los Angeles

54

temp.20°C
hum.81%
Minneapolis City AQI

Minneapolis

112

temp.23°C
hum.73%
Nashville City AQI

Nashville

26

temp.26°C
hum.72%
New Orleans City AQI

New Orleans

23

temp.27°C
hum.91%
New York City City AQI

New York City

45

temp.22°C
hum.73%
San Francisco City AQI

San Francisco

19

temp.15°C
hum.87%
Washington City AQI

Washington

28

temp.23°C
hum.94%

Air Quality Calendar 2025

Portland Deering Oaks

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
24
2 Jan
20
3 Jan
19
4 Jan
18
5 Jan
19
6 Jan
20
7 Jan
19
8 Jan
17
9 Jan
18
10 Jan
20
11 Jan
25
12 Jan
31
13 Jan
41
14 Jan
25
15 Jan
22
16 Jan
37
17 Jan
43
18 Jan
34
19 Jan
22
20 Jan
23
21 Jan
36
22 Jan
50
23 Jan
47
24 Jan
45
25 Jan
39
26 Jan
36
27 Jan
22
28 Jan
21
29 Jan
26
30 Jan
24
31 Jan
31
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
21
2 Feb
26
3 Feb
33
4 Feb
23
5 Feb
27
6 Feb
38
7 Feb
27
8 Feb
26
9 Feb
23
10 Feb
30
11 Feb
40
12 Feb
29
13 Feb
23
14 Feb
22
15 Feb
22
16 Feb
20
17 Feb
19
18 Feb
19
19 Feb
25
20 Feb
26
21 Feb
20
22 Feb
26
23 Feb
30
24 Feb
43
25 Feb
44
26 Feb
32
27 Feb
29
28 Feb
21
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
27
2 Mar
20
3 Mar
28
4 Mar
37
5 Mar
33
6 Mar
20
7 Mar
18
8 Mar
20
9 Mar
20
10 Mar
23
11 Mar
28
12 Mar
21
13 Mar
22
14 Mar
29
15 Mar
24
16 Mar
28
17 Mar
21
18 Mar
23
19 Mar
24
20 Mar
15
21 Mar
14
22 Mar
20
23 Mar
17
24 Mar
20
25 Mar
23
26 Mar
23
27 Mar
19
28 Mar
20
29 Mar
18
30 Mar
25
31 Mar
23
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
18
2 Apr
17
3 Apr
21
4 Apr
21
5 Apr
20
6 Apr
13
7 Apr
15
8 Apr
15
9 Apr
18
10 Apr
20
11 Apr
21
12 Apr
16
13 Apr
20
14 Apr
17
15 Apr
31
16 Apr
18
17 Apr
18
18 Apr
23
19 Apr
42
20 Apr
16
21 Apr
15
22 Apr
25
23 Apr
18
24 Apr
18
25 Apr
26
26 Apr
22
27 Apr
12
28 Apr
17
29 Apr
33
30 Apr
21
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
18
2 May
29
3 May
33
4 May
23
5 May
21
6 May
18
7 May
25
8 May
25
9 May
20
10 May
13
11 May
15
12 May
20
13 May
24
14 May
27
15 May
37
16 May
33
17 May
19
18 May
14
19 May
13
20 May
12
21 May
16
22 May
18
23 May
11
24 May
11
25 May
13
26 May
16
27 May
22
28 May
28
29 May
21
30 May
23
31 May
22
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
21
2 Jun
21
3 Jun
22
4 Jun
43
5 Jun
62
6 Jun
57
7 Jun
50
8 Jun
78
9 Jun
78
10 Jun
36
11 Jun
42
12 Jun
64
13 Jun
37
14 Jun
34
15 Jun
31
16 Jun
27
17 Jun
24
18 Jun
20
19 Jun
30
20 Jun
33
21 Jun
29
22 Jun
36
23 Jun
47
24 Jun
54
25 Jun
50
26 Jun
31
27 Jun
25
28 Jun
20
29 Jun
23
30 Jun
26
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
36
2 Jul
33
3 Jul
45
4 Jul
39
5 Jul
33
6 Jul
45
7 Jul
53
8 Jul
36
9 Jul
28
10 Jul
25
11 Jul
21
12 Jul
22
13 Jul
19
14 Jul
20
15 Jul
31
16 Jul
39
17 Jul
34
18 Jul
18
19 Jul
26
20 Jul
22
21 Jul
25
22 Jul
15
23 Jul
24
24 Jul
33
25 Jul
47
26 Jul
111
27 Jul
76
28 Jul
58
29 Jul
57
30 Jul
46
31 Jul
69
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
48
2 Aug
25
3 Aug
53
4 Aug
82
5 Aug
71
6 Aug
50
7 Aug
63
8 Aug
32
9 Aug
31
10 Aug
-
11 Aug
-
12 Aug
-
13 Aug
-
14 Aug
-
15 Aug
-
16 Aug
-
17 Aug
-
18 Aug
-
19 Aug
-
20 Aug
-
21 Aug
-
22 Aug
-
23 Aug
-
24 Aug
-
25 Aug
-
26 Aug
-
27 Aug
-
28 Aug
-
29 Aug
-
30 Aug
-
31 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Portland Deering Oaks

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

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

Portland Deering Oaks

  • asthma due to air pollution in Portland Deering OaksAsthma
  • heart due to air pollution in Portland Deering OaksHeart Issues
  • allergy due to air pollution in Portland Deering OaksAllergies
  • sinus due to air pollution in Portland Deering OaksSinus
  • flu due to air pollution in Portland Deering OaksCold/Flu
  • copd due to air pollution in Portland Deering OaksChronic (COPD)
asthma due to air pollution in Portland Deering Oaks

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.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Cloquet, United States

128
Poor
9xabove Standard

2.

Duluth, United States

122
Poor
8xabove Standard

3.

Virginia, United States

119
Poor
8xabove Standard

4.

Cass Lake, United States

119
Poor
8xabove Standard

5.

East Bethel, United States

117
Poor
8xabove Standard

6.

Bemidji, United States

112
Poor
7xabove Standard

7.

Dennison, United States

112
Poor
7xabove Standard

8.

Columbia Heights, United States

112
Poor
7xabove Standard

9.

Minneapolis, United States

112
Poor
7xabove Standard

10.

Northwest St. Louis, United States

111
Poor
7xabove Standard

Last Updated: 12 Aug 2025, 08:22 AM

AQI City Rankings

Air Quality Solutions For Portland Deering Oaks

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

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Portland Deering Oaks

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 for Portland Deering Oaks

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 institutes for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

Air Quality Solutions for Retail Stores

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

air quality solutions for airport for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

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 bathroom for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

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 for Portland Deering Oaks

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.

Portland Deering Oaks's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Portland Deering Oaks
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
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 Portland Deering Oaks

Frequently Asked Questions About Air Quality

What is the current AQI level in Portland Deering Oaks?

The current real-time AQI level in Portland Deering Oaks is 58 (Moderate). This was last updated 12 Aug 2025, 03:09am (Local Time).

When was the best AQI level in Portland Deering Oaks in the last 24 hours?

The best AQI level was 28 (Good) at 4:24 AM, Aug 11, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Portland Deering Oaks in the last 24 hours?

The worst AQI level was 64 (Moderate) at 5:09 PM, Aug 11, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Portland Deering Oaks during last 24 hours?

The AQI levels in Portland Deering Oaks have been fluctuating throughout the last 24 hours. The levels have increased by highest 64 at 5:09 PM, Aug 11, 2025 (Local Time), lowest 28 at 4:24 AM, Aug 11, 2025 (Local Time).

What actions are recommended as per the current AQI level in Portland Deering Oaks?

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

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

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