Air Quality in Clark, Washington

56
Current AQI: Moderate
Primary pollutant: PM2.5 · Updated 03/29/26
31
Median AQI (2024)
105
Max AQI (2024)
→ stable
10-Year Trend
PM2.5
Primary Pollutant
321
Good Days (2024)
9
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 31 105321441 145221
2023 35 153281822 117248
2022 36 175267935 99266
2021 34 98308570 136229
2020 32 874272859 51315
2019 34 128277861 127237
2018 35 135272876 109256
2017 37 161264938 111254
2016 31 92304620 122244
2015 40 159243965 93251

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 31, 2024 26 GoodPM2.5
Dec 30, 2024 21 GoodPM2.5
Dec 29, 2024 15 GoodPM2.5
Dec 28, 2024 21 GoodPM2.5
Dec 27, 2024 6 GoodPM2.5
Dec 26, 2024 9 GoodPM2.5
Dec 25, 2024 11 GoodPM2.5
Dec 24, 2024 19 GoodPM2.5
Dec 23, 2024 14 GoodPM2.5
Dec 22, 2024 11 GoodPM2.5
Dec 21, 2024 29 GoodPM2.5
Dec 20, 2024 44 GoodPM2.5
Dec 19, 2024 34 GoodPM2.5
Dec 18, 2024 24 GoodPM2.5
Dec 17, 2024 9 GoodPM2.5
Dec 16, 2024 9 GoodPM2.5
Dec 15, 2024 12 GoodPM2.5
Dec 14, 2024 12 GoodPM2.5
Dec 13, 2024 22 GoodPM2.5
Dec 12, 2024 27 GoodPM2.5
Dec 11, 2024 52 ModeratePM2.5
Dec 10, 2024 55 ModeratePM2.5
Dec 9, 2024 44 GoodPM2.5
Dec 8, 2024 19 GoodPM2.5
Dec 7, 2024 42 GoodPM2.5
Dec 6, 2024 64 ModeratePM2.5
Dec 5, 2024 61 ModeratePM2.5
Dec 4, 2024 77 ModeratePM2.5
Dec 3, 2024 70 ModeratePM2.5
Dec 2, 2024 71 ModeratePM2.5
Dec 1, 2024 66 ModeratePM2.5
Nov 30, 2024 53 ModeratePM2.5
Nov 29, 2024 46 GoodPM2.5
Nov 28, 2024 34 GoodPM2.5
Nov 27, 2024 54 ModeratePM2.5
Nov 26, 2024 55 ModeratePM2.5
Nov 25, 2024 29 GoodPM2.5
Nov 24, 2024 14 GoodPM2.5
Nov 23, 2024 15 GoodPM2.5
Nov 22, 2024 9 GoodPM2.5
Nov 21, 2024 49 GoodPM2.5
Nov 20, 2024 11 GoodPM2.5
Nov 19, 2024 10 GoodPM2.5
Nov 18, 2024 11 GoodPM2.5
Nov 17, 2024 10 GoodPM2.5
Nov 16, 2024 42 GoodPM2.5
Nov 15, 2024 24 GoodPM2.5
Nov 14, 2024 9 GoodPM2.5
Nov 13, 2024 12 GoodPM2.5
Nov 12, 2024 19 GoodPM2.5
Nov 11, 2024 19 GoodPM2.5
Nov 10, 2024 61 ModeratePM2.5
Nov 9, 2024 72 ModeratePM2.5
Nov 8, 2024 65 ModeratePM2.5
Nov 7, 2024 64 ModeratePM2.5
Nov 6, 2024 50 GoodPM2.5
Nov 5, 2024 37 GoodPM2.5
Nov 4, 2024 40 GoodPM2.5
Nov 3, 2024 39 GoodPM2.5
Nov 2, 2024 17 GoodPM2.5
Nov 1, 2024 10 GoodPM2.5
Oct 31, 2024 15 GoodPM2.5
Oct 30, 2024 27 GoodPM2.5
Oct 29, 2024 43 GoodPM2.5
Oct 28, 2024 15 GoodPM2.5
Oct 27, 2024 9 GoodPM2.5
Oct 26, 2024 23 GoodPM2.5
Oct 25, 2024 34 GoodPM2.5
Oct 24, 2024 43 GoodPM2.5
Oct 23, 2024 51 ModeratePM2.5
Oct 22, 2024 29 GoodPM2.5
Oct 21, 2024 4 GoodPM2.5
Oct 20, 2024 26 GoodPM2.5
Oct 19, 2024 34 GoodPM2.5
Oct 18, 2024 29 GoodPM2.5
Oct 17, 2024 16 GoodPM2.5
Oct 16, 2024 14 GoodPM2.5
Oct 15, 2024 19 GoodPM2.5
Oct 14, 2024 38 GoodPM2.5
Oct 13, 2024 59 ModeratePM2.5
Oct 12, 2024 54 ModeratePM2.5
Oct 11, 2024 42 GoodPM2.5
Oct 10, 2024 23 GoodPM2.5
Oct 9, 2024 16 GoodPM2.5
Oct 8, 2024 29 GoodPM2.5
Oct 7, 2024 37 GoodPM2.5
Oct 6, 2024 44 GoodPM2.5
Oct 5, 2024 33 GoodPM2.5
Oct 4, 2024 35 GoodPM2.5
Oct 3, 2024 18 GoodPM2.5

Monitoring Stations

PORT OF VANCOUVER/3103 LOWER RIVER RD
Vancouver
Est. 1990-01-29
45.6332, -122.7032
ARMORY BLDG/920 NW HILL ST
Camas
Est. 1989-11-09
45.5873, -122.4306
WA ELEM SCHOOL/2908 S ST
Vancouver
Est. 1991-11-26
45.6412, -122.6507
VANCOUVER KAUFFMAN & W 27TH
Vancouver
Est. 2005-01-01
45.6417, -122.6812
CAMAS CITY HALL, 616 NE 4TH AVE, CAMAS, WA
Camas
Est. 2001-04-06
45.5868, -122.4029
HAZELDELL/7701 NE HIGHWAY 99
Vancouver
Est. 1995-07-24
45.6384, -122.6470
VANCOUVER - BLAIRMONT DR
Vancouver
Est. 1988-05-01
45.6167, -122.5167
Vancouver-NE 84th Ave
Vancouver
Est. 2014-09-01
45.6434, -122.5874
YACOLT - YACOLT RD
Yacolt
Est. 2003-07-17
45.8639, -122.4109

Frequently Asked Questions

What is the air quality in Clark, Washington?

Based on EPA data from 2024, Clark has a median Air Quality Index (AQI) of 31, which is classified as "Good." The primary pollutant is PM2.5. Over the past 10 years, air quality has been stable.

Is Clark a good place to live for air quality?

Clark has a 10-year average median AQI of 34. In 2024, there were 321 days with "Good" air quality and 1 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Clark the most?

The primary pollutant driving the AQI in Clark is PM2.5. This is monitored by 9 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 Clark?

There are 9 active EPA monitoring stations in Clark, Washington. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.