Air Quality in Yakima, Washington

40
Current AQI: Good
Primary pollutant: PM2.5 · Updated 03/29/26
37
Median AQI (2024)
153
Max AQI (2024)
→ stable
10-Year Trend
PM2.5
Primary Pollutant
248
Good Days (2024)
4
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 37 1532481117 0364
2023 46 2332031584 0363
2022 51 1581781816 0365
2021 52 21017516327 0362
2020 46 74319815315 0366
2019 51 12717817710 0363
2018 52 23917317616 0363
2017 48 31719314329 0364
2016 44 19921114312 0365
2015 48 19219015320 0362

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 31, 2024 54 ModeratePM2.5
Dec 30, 2024 52 ModeratePM2.5
Dec 29, 2024 32 GoodPM2.5
Dec 28, 2024 32 GoodPM2.5
Dec 27, 2024 34 GoodPM2.5
Dec 26, 2024 22 GoodPM2.5
Dec 25, 2024 55 ModeratePM2.5
Dec 24, 2024 45 GoodPM2.5
Dec 23, 2024 48 GoodPM2.5
Dec 22, 2024 54 ModeratePM2.5
Dec 21, 2024 58 ModeratePM2.5
Dec 20, 2024 69 ModeratePM2.5
Dec 19, 2024 57 ModeratePM2.5
Dec 18, 2024 44 GoodPM2.5
Dec 17, 2024 57 ModeratePM2.5
Dec 16, 2024 49 GoodPM2.5
Dec 15, 2024 59 ModeratePM2.5
Dec 14, 2024 63 ModeratePM2.5
Dec 13, 2024 58 ModeratePM2.5
Dec 12, 2024 52 ModeratePM2.5
Dec 11, 2024 56 ModeratePM2.5
Dec 10, 2024 61 ModeratePM2.5
Dec 9, 2024 61 ModeratePM2.5
Dec 8, 2024 46 GoodPM2.5
Dec 7, 2024 49 GoodPM2.5
Dec 6, 2024 37 GoodPM2.5
Dec 5, 2024 36 GoodPM2.5
Dec 4, 2024 35 GoodPM2.5
Dec 3, 2024 44 GoodPM2.5
Dec 2, 2024 43 GoodPM2.5
Dec 1, 2024 52 ModeratePM2.5
Nov 30, 2024 52 ModeratePM2.5
Nov 29, 2024 47 GoodPM2.5
Nov 28, 2024 51 ModeratePM2.5
Nov 27, 2024 65 ModeratePM2.5
Nov 26, 2024 61 ModeratePM2.5
Nov 25, 2024 56 ModeratePM2.5
Nov 24, 2024 53 ModeratePM2.5
Nov 23, 2024 51 ModeratePM2.5
Nov 22, 2024 36 GoodPM2.5
Nov 21, 2024 47 GoodPM2.5
Nov 20, 2024 39 GoodPM2.5
Nov 19, 2024 49 GoodPM2.5
Nov 18, 2024 39 GoodPM2.5
Nov 17, 2024 52 ModeratePM2.5
Nov 16, 2024 54 ModeratePM2.5
Nov 15, 2024 34 GoodPM2.5
Nov 14, 2024 28 GoodPM2.5
Nov 13, 2024 29 GoodPM2.5
Nov 12, 2024 35 GoodPM2.5
Nov 11, 2024 67 ModeratePM2.5
Nov 10, 2024 104 Unhealthy for Sensitive GroupsPM2.5
Nov 9, 2024 85 ModeratePM2.5
Nov 8, 2024 74 ModeratePM2.5
Nov 7, 2024 63 ModeratePM2.5
Nov 6, 2024 52 ModeratePM2.5
Nov 5, 2024 30 GoodPM2.5
Nov 4, 2024 38 GoodPM2.5
Nov 3, 2024 32 GoodPM2.5
Nov 2, 2024 35 GoodPM2.5
Nov 1, 2024 54 ModeratePM2.5
Oct 31, 2024 64 ModeratePM2.5
Oct 30, 2024 58 ModeratePM2.5
Oct 29, 2024 52 ModeratePM2.5
Oct 28, 2024 31 GoodPM2.5
Oct 27, 2024 36 GoodPM2.5
Oct 26, 2024 63 ModeratePM2.5
Oct 25, 2024 55 ModeratePM2.5
Oct 24, 2024 52 ModeratePM2.5
Oct 23, 2024 38 GoodPM2.5
Oct 22, 2024 37 GoodPM2.5
Oct 21, 2024 11 GoodPM2.5
Oct 20, 2024 34 GoodPM2.5
Oct 19, 2024 43 GoodPM2.5
Oct 18, 2024 36 GoodPM2.5
Oct 17, 2024 20 GoodPM2.5
Oct 16, 2024 27 GoodPM2.5
Oct 15, 2024 39 GoodPM2.5
Oct 14, 2024 58 ModeratePM2.5
Oct 13, 2024 56 ModeratePM2.5
Oct 12, 2024 52 ModeratePM2.5
Oct 11, 2024 44 GoodPM2.5
Oct 10, 2024 24 GoodPM2.5
Oct 9, 2024 37 GoodPM2.5
Oct 8, 2024 60 ModeratePM2.5
Oct 7, 2024 55 ModeratePM2.5
Oct 6, 2024 40 GoodPM2.5
Oct 5, 2024 43 GoodPM2.5
Oct 4, 2024 41 GoodPM2.5
Oct 3, 2024 32 GoodPM2.5

Monitoring Stations

YVCC-SUNDQUIST/KNOB HILL & 16TH
Yakima
Est. 1989-12-14
46.5851, -120.5287
Sunnyside-S16th St (Harrison Middle School)
Sunnyside
Est. 1998-08-21
46.3193, -119.9997
TOPPENISH - WARD RD (YAKAMA TRIBE)
Toppenish
Est. 2006-01-31
46.3802, -120.3327
YAKIMA - 4TH AVE
Yakima
Est. 2000-04-21
46.5950, -120.5123

Frequently Asked Questions

What is the air quality in Yakima, Washington?

Based on EPA data from 2024, Yakima has a median Air Quality Index (AQI) of 37, which is classified as "Good." The primary pollutant is PM2.5. Over the past 10 years, air quality has been stable.

Is Yakima a good place to live for air quality?

Yakima has a 10-year average median AQI of 47. In 2024, there were 248 days with "Good" air quality and 7 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Yakima the most?

The primary pollutant driving the AQI in Yakima is PM2.5. This is monitored by 4 active EPA stations in the county. Other pollutants tracked include ozone, PM10, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

How many air quality monitoring stations are in Yakima?

There are 4 active EPA monitoring stations in Yakima, Washington. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.