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Waterloo Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-15 05:40:40 AM (Local Time)

location image
Live AQI
56(AQI-US)
Air Quality is
Moderate
pm10 :  25 µg/m³
PM2.5 :  12 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Waterloo
overcast

20 °C

Overcast
Humidity
Humidity87 %
Wind Speed
Wind Speed12 km/h
UV Index
UV Index0
Last Updated: 2025-08-15 05:40:40 AM (Local Time)
Map

Waterloo

Major Air Pollutants

Waterloo

PM2.5's Icon

Particulate Matter(PM2.5)

12µg/m³

PM10's Icon

Particulate Matter(PM10)

25µg/m³

CO's Icon

Carbon Monoxide(CO)

2ppb

SO2's Icon

Sulfur Dioxide(SO2)

0ppb

NO2's Icon

Nitrogen Dioxide(NO2)

7ppb

O3's Icon

Ozone(O3)

25ppb

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AQI Graph

Historical Air Quality Data

Waterloo

24 Hours
AQI
Waterloo
AQI
.
14-08-2025Time15-08-2025
48
Min.at 12:09 PM on 14th Aug
61
Max.at 5:09 AM on 15th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Waterloo, Iowa, United States

AQI
Year
.
AQI

Annual AQI Trends

2020
29AQI
2021
34AQI
17%
Rise
2022
31AQI
-9%
Fall
2023
41AQI
32%
Rise
2024
32AQI
-22%
Fall
2025
38AQI
19%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
7%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJune, 202369AQI
Least PollutedApril, 202219AQI

* This data analysis is from year 2020 - 2025

Waterloo's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
56
12
25
22
77
Moderate
56
12
25
22
77

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

77

temp.23°C
hum.69%
Los Angeles City AQI

Los Angeles

50

temp.20°C
hum.76%
Minneapolis City AQI

Minneapolis

55

temp.23°C
hum.76%
Nashville City AQI

Nashville

56

temp.19°C
hum.93%
New Orleans City AQI

New Orleans

27

temp.27°C
hum.90%
New York City City AQI

New York City

53

temp.25°C
hum.60%
San Francisco City AQI

San Francisco

35

temp.16°C
hum.86%
Washington City AQI

Washington

44

temp.22°C
hum.98%

Air Quality Calendar 2025

Waterloo

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
27
2 Jan
33
3 Jan
27
4 Jan
22
5 Jan
21
6 Jan
23
7 Jan
32
8 Jan
36
9 Jan
54
10 Jan
39
11 Jan
30
12 Jan
39
13 Jan
23
14 Jan
32
15 Jan
33
16 Jan
29
17 Jan
30
18 Jan
21
19 Jan
23
20 Jan
26
21 Jan
24
22 Jan
28
23 Jan
33
24 Jan
42
25 Jan
33
26 Jan
25
27 Jan
25
28 Jan
29
29 Jan
27
30 Jan
40
31 Jan
40
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
25
2 Feb
41
3 Feb
42
4 Feb
25
5 Feb
29
6 Feb
33
7 Feb
26
8 Feb
32
9 Feb
31
10 Feb
37
11 Feb
35
12 Feb
35
13 Feb
43
14 Feb
43
15 Feb
46
16 Feb
29
17 Feb
29
18 Feb
27
19 Feb
29
20 Feb
31
21 Feb
48
22 Feb
52
23 Feb
60
24 Feb
36
25 Feb
27
26 Feb
31
27 Feb
30
28 Feb
25
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
28
2 Mar
33
3 Mar
50
4 Mar
40
5 Mar
26
6 Mar
26
7 Mar
29
8 Mar
28
9 Mar
27
10 Mar
30
11 Mar
29
12 Mar
31
13 Mar
57
14 Mar
51
15 Mar
47
16 Mar
26
17 Mar
26
18 Mar
33
19 Mar
27
20 Mar
27
21 Mar
27
22 Mar
27
23 Mar
27
24 Mar
25
25 Mar
29
26 Mar
34
27 Mar
37
28 Mar
46
29 Mar
39
30 Mar
25
31 Mar
24
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
35
2 Apr
30
3 Apr
23
4 Apr
34
5 Apr
35
6 Apr
33
7 Apr
29
8 Apr
28
9 Apr
42
10 Apr
50
11 Apr
54
12 Apr
56
13 Apr
50
14 Apr
32
15 Apr
27
16 Apr
43
17 Apr
48
18 Apr
49
19 Apr
30
20 Apr
41
21 Apr
23
22 Apr
36
23 Apr
38
24 Apr
33
25 Apr
24
26 Apr
23
27 Apr
28
28 Apr
38
29 Apr
26
30 Apr
35
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
29
2 May
24
3 May
19
4 May
33
5 May
27
6 May
35
7 May
40
8 May
24
9 May
36
10 May
42
11 May
33
12 May
42
13 May
42
14 May
39
15 May
43
16 May
32
17 May
20
18 May
20
19 May
22
20 May
21
21 May
18
22 May
20
23 May
27
24 May
25
25 May
26
26 May
33
27 May
27
28 May
32
29 May
32
30 May
42
31 May
42
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
52
2 Jun
54
3 Jun
55
4 Jun
78
5 Jun
66
6 Jun
67
7 Jun
69
8 Jun
77
9 Jun
68
10 Jun
65
11 Jun
65
12 Jun
71
13 Jun
66
14 Jun
59
15 Jun
48
16 Jun
51
17 Jun
32
18 Jun
23
19 Jun
29
20 Jun
34
21 Jun
43
22 Jun
45
23 Jun
53
24 Jun
25
25 Jun
29
26 Jun
29
27 Jun
19
28 Jun
30
29 Jun
32
30 Jun
24
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
39
2 Jul
47
3 Jul
44
4 Jul
47
5 Jul
52
6 Jul
37
7 Jul
53
8 Jul
50
9 Jul
34
10 Jul
32
11 Jul
26
12 Jul
45
13 Jul
58
14 Jul
69
15 Jul
62
16 Jul
34
17 Jul
21
18 Jul
26
19 Jul
22
20 Jul
18
21 Jul
48
22 Jul
49
23 Jul
42
24 Jul
25
25 Jul
23
26 Jul
31
27 Jul
22
28 Jul
23
29 Jul
37
30 Jul
43
31 Jul
107
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
101
2 Aug
96
3 Aug
87
4 Aug
78
5 Aug
60
6 Aug
61
7 Aug
54
8 Aug
47
9 Aug
46
10 Aug
35
11 Aug
35
12 Aug
36
13 Aug
53
14 Aug
54
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

Waterloo

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

Waterloo

  • asthma due to air pollution in WaterlooAsthma
  • heart due to air pollution in WaterlooHeart Issues
  • allergy due to air pollution in WaterlooAllergies
  • sinus due to air pollution in WaterlooSinus
  • flu due to air pollution in WaterlooCold/Flu
  • copd due to air pollution in WaterlooChronic (COPD)
asthma due to air pollution in Waterloo

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. 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.

Cheektowaga, United States

86
Moderate
6xabove Standard

2.

Tonawanda, United States

86
Moderate
6xabove Standard

3.

Port Huron, United States

85
Moderate
6xabove Standard

4.

Newburgh Heights, United States

85
Moderate
6xabove Standard

5.

Buffalo, United States

85
Moderate
6xabove Standard

6.

River Rouge, United States

84
Moderate
6xabove Standard

7.

Cleveland, United States

82
Moderate
5xabove Standard

8.

Detroit, United States

81
Moderate
5xabove Standard

9.

Dunkirk, United States

80
Moderate
5xabove Standard

10.

New Haven, United States

80
Moderate
5xabove Standard

Last Updated: 15 Aug 2025, 10:47 AM

AQI City Rankings

Air Quality Solutions For Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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 Waterloo

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.

Waterloo'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 Waterloo
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 Waterloo

Frequently Asked Questions About Air Quality

What is the current AQI level in Waterloo?

The current real-time AQI level in Waterloo is 56 (Moderate). This was last updated 2025-08-15 05:40:40 AM (Local Time).

When was the best AQI level in Waterloo in the last 24 hours?

The best AQI level was 48 (Good) at 12:09 PM, Aug 14, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Waterloo in the last 24 hours?

The worst AQI level was 61 (Moderate) at 5:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Waterloo have been fluctuating throughout the last 24 hours. The levels have increased by highest 61 at 5:09 AM (Local Time), lowest 48 at 12:09 PM, Aug 14, 2025 (Local Time).

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

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 Air Logo

Prana Sense

Air Quality Monitor

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

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
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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.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
Prana Air Logo

Cair +

Indoor Air Quality Monitor

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

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor