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John Day Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-08-07 18:11 (Local Time)

Live AQI

116AQI (US)

Air Quality is

Poor

PM2.5 : 42 µg/m³

pm10 : 42 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

34 °C

Last Updated: 2026-08-07 18:11 (Local Time)

Rank271^st

Currently, Baker City ranks 271^st among the cities with the highest AQI levels in the world.

Map

John Day

Major Air Pollutants
John Day

Particulate Matter(PM₂.₅)

42µg/m³

Particulate Matter(PM₁₀)

42µg/m³

Carbon Monoxide(CO)

239ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

6ppb

Ozone(O₃)

59ppb

AQI Graph

Historical Air Quality Data
John Day

24 Hours

AQI (US)

John Day

AQI (US)

06-08-2026Time07-08-2026

Time	John Day
6:31pm	95
7:01pm	129
7:31pm	126
8:01pm	153
8:31pm	156
9:01pm	158
9:31pm	158
10:01pm	158
10:31pm	161
11:01pm	159
11:31pm	157
12:01am	158
12:31am	158
1:01am	158
1:31am	153
2:01am	162
2:31am	162
3:01am	163
3:31am	163
4:01am	159
4:31am	156
5:01am	160
5:31am	160
6:01am	154
6:31am	152
7:01am	153
7:31am	151
8:01am	160
8:31am	162
9:01am	157
9:31am	160
10:01am	155
10:31am	167
11:01am	156
11:31am	153
12:01pm	146
12:31pm	144
1:01pm	139
1:31pm	131
2:01pm	136
2:31pm	121
3:01pm	114
3:31pm	104
4:01pm	124
4:31pm	106
5:01pm	93
5:31pm	88
6:01pm	111

Min. AQI (US)5:31pm

167

Max. AQI (US)10:31am

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
John Day, Baker City, Oregon, United States

AQI (US)

United States's Metro Cities
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Air Quality Calendar 2026
John Day

2026

AQI (US)

Health Advice For People Living In
John Day

2.8Cigarettes per day

Weekly 19.6 Cigarettes

Monthly 84 Cigarettes

Breathing the air in this location is as harmful as smoking 2.8 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

John Day

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

6xabove Standard

Omak, Washington

Unhealthy

8xabove Standard

Meridian, Idaho

Unhealthy

5xabove Standard

Boise, Idaho

Unhealthy

5xabove Standard

Columbia Falls, Montana

Poor

4xabove Standard

Sandpoint, Idaho

Poor

4xabove Standard

Colville, Washington

Poor

3xabove Standard

Butte, Montana

Poor

3xabove Standard

Hamilton, Montana

Poor

3xabove Standard

10.

Garden City, Idaho

Poor

4xabove Standard

Last Updated: 08 Aug 2026, 01:18 AM

AQI City Rankings

Air Quality Solutions For John Day
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 John Day

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.

John Day's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at John Day

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in John Day?

The current real-time AQI (US) level in John Day is 116 (Poor). This was last updated 2026-08-07 18:11 (Local Time).

2. When was the best AQI (US) level in John Day in the last 24 hours?

The best AQI (US) level was 88 (Moderate) at 5:31 PM, Aug 7, 2026 (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in John Day in the last 24 hours?

The worst AQI (US) level was 167 (Unhealthy) at 10:31 AM, Aug 7, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in John Day during last 24 hours?

The AQI (US) levels in John Day have been fluctuating throughout the last 24 hours. The levels have increased by highest 167 at 10:31 AM, Aug 7, 2026 (Local Time), lowest 88 at 5:31 PM, Aug 7, 2026 (Local Time).

5. What actions are recommended as per the current AQI (US) level in John Day?

Current AQI (US) levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.