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12Th St Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-08-01 02:11:01 (Local Time)

Live AQI

73AQI (US)

Air Quality is

Moderate

PM2.5 : 23 µg/m³

pm10 : 27 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

24 °C

Last Updated: 2026-08-01 02:11:01 (Local Time)

Rank250^th

Currently, Walla Walla ranks 250^th among the cities with the highest AQI levels in the world.

Map

12Th St

Major Air Pollutants
12Th St

Particulate Matter(PM₂.₅)

23µg/m³

Particulate Matter(PM₁₀)

27µg/m³

Carbon Monoxide(CO)

200ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

4ppb

Ozone(O₃)

31ppb

AQI Graph

Historical Air Quality Data
12Th St

24 Hours

AQI (US)

12Th St

AQI (US)

31-07-2026Time01-08-2026

Time	12Th St
2:31am	63
3:01am	58
3:31am	58
4:01am	50
4:31am	50
5:01am	54
5:31am	54
6:01am	54
6:31am	52
7:01am	63
7:31am	63
8:01am	65
8:31am	65
9:01am	101
9:31am	99
10:01am	82
10:31am	82
11:01am	90
11:31am	86
12:01pm	106
12:31pm	97
1:01pm	121
1:31pm	134
2:01pm	129
2:31pm	126
3:01pm	131
3:31pm	136
4:01pm	131
4:31pm	114
5:01pm	90
5:31pm	88
6:01pm	82
6:31pm	88
7:01pm	67
7:31pm	67
8:01pm	63
8:31pm	58
9:01pm	58
9:31pm	56
10:01pm	54
10:31pm	56
11:01pm	67
11:31pm	63
12:01am	80
12:31am	86
1:01am	80
1:31am	86
2:01am	82

Min. AQI (US)4:01am

136

Max. AQI (US)3:31pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
12Th St, Walla Walla, Washington, United States

AQI (US)

United States's Metro Cities
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Air Quality Calendar 2026
12Th St

2026

AQI (US)

Health Advice For People Living In
12Th St

1.2Cigarettes per day

Weekly 8.4 Cigarettes

Monthly 36 Cigarettes

Breathing the air in this location is as harmful as smoking 1.2 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

12Th St

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
United States

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

Nampa, Idaho

Unhealthy

7xabove Standard

Meridian, Idaho

Unhealthy

5xabove Standard

Boise, Idaho

Unhealthy

4xabove Standard

Garden City, Idaho

Poor

4xabove Standard

Cloverdale, California

Poor

3xabove Standard

Colville, Washington

Poor

3xabove Standard

Omak, Washington

Poor

2xabove Standard

Ukiah, California

Poor

2xabove Standard

Great Falls, Montana

Moderate

2xabove Standard

10.

Lincoln, Nebraska

Moderate

2xabove Standard

Last Updated: 31 Jul 2026, 06:22 PM

AQI City Rankings

Air Quality Solutions For 12Th St
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 12Th St

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.

12Th St's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at 12Th St

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in 12Th St?

The current real-time AQI (US) level in 12Th St is 73 (Moderate). This was last updated 2026-08-01 02:11:01 (Local Time).

2. When was the best AQI (US) level in 12Th St in the last 24 hours?

The best AQI (US) level was 50 (Good) at 4:01 AM (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in 12Th St in the last 24 hours?

The worst AQI (US) level was 136 (Poor) at 3:31 PM (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in 12Th St during last 24 hours?

The AQI (US) levels in 12Th St have been fluctuating throughout the last 24 hours. The levels have increased by highest 136 at 3:31 PM (Local Time), lowest 50 at 4:01 AM (Local Time).

5. What actions are recommended as per the current AQI (US) level in 12Th St?

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