Air Quality in Anchorage, Alaska

36
Current AQI: Good
Primary pollutant: PM2.5 · Updated 03/29/26
24
Median AQI (2024)
90
Max AQI (2024)
↓ improving
10-Year Trend
PM2.5
Primary Pollutant
297
Good Days (2024)
7
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 24 90297690 0250
2023 21 71319460 0236
2022 24 125302621 0200
2021 28 132289742 0277
2020 27 92294720 0267
2019 32 1632541029 0285
2018 30 87288770 0288
2017 28 105299651 0236
2016 40 912521090 0259
2015 34 792611000 0304

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 31, 2024 61 ModeratePM2.5
Dec 30, 2024 48 GoodPM2.5
Dec 29, 2024 48 GoodPM2.5
Dec 28, 2024 58 ModeratePM2.5
Dec 27, 2024 68 ModeratePM2.5
Dec 26, 2024 56 ModeratePM2.5
Dec 25, 2024 52 ModeratePM2.5
Dec 24, 2024 55 ModeratePM2.5
Dec 23, 2024 41 GoodPM2.5
Dec 22, 2024 51 ModeratePM2.5
Dec 21, 2024 37 GoodPM2.5
Dec 20, 2024 27 GoodPM2.5
Dec 19, 2024 17 GoodPM2.5
Dec 18, 2024 48 GoodPM2.5
Dec 17, 2024 27 GoodPM2.5
Dec 16, 2024 14 GoodPM2.5
Dec 15, 2024 6 GoodPM2.5
Dec 14, 2024 46 GoodPM2.5
Dec 13, 2024 60 ModeratePM2.5
Dec 12, 2024 54 ModeratePM2.5
Dec 11, 2024 32 GoodPM2.5
Dec 10, 2024 18 GoodPM2.5
Dec 9, 2024 8 GoodPM10
Dec 8, 2024 29 GoodPM2.5
Dec 7, 2024 56 ModeratePM2.5
Dec 6, 2024 28 GoodPM2.5
Dec 5, 2024 25 GoodPM2.5
Dec 4, 2024 25 GoodPM2.5
Dec 3, 2024 20 GoodPM2.5
Dec 2, 2024 31 GoodPM10
Dec 1, 2024 36 GoodPM10
Nov 30, 2024 52 ModeratePM2.5
Nov 29, 2024 74 ModeratePM2.5
Nov 28, 2024 76 ModeratePM2.5
Nov 27, 2024 34 GoodPM2.5
Nov 26, 2024 34 GoodPM2.5
Nov 25, 2024 13 GoodCO
Nov 24, 2024 16 GoodCO
Nov 23, 2024 25 GoodCO
Nov 22, 2024 25 GoodCO
Nov 21, 2024 16 GoodCO
Nov 20, 2024 58 ModeratePM2.5
Nov 19, 2024 49 GoodPM2.5
Nov 18, 2024 54 ModeratePM2.5
Nov 17, 2024 56 ModeratePM2.5
Nov 16, 2024 24 GoodPM2.5
Nov 15, 2024 19 GoodPM2.5
Nov 14, 2024 34 GoodPM2.5
Nov 13, 2024 61 ModeratePM2.5
Nov 12, 2024 90 ModeratePM10
Nov 11, 2024 76 ModeratePM10
Nov 10, 2024 52 ModeratePM2.5
Nov 9, 2024 41 GoodPM2.5
Nov 8, 2024 52 ModeratePM2.5
Nov 7, 2024 32 GoodPM2.5
Nov 6, 2024 14 GoodPM2.5
Nov 5, 2024 17 GoodPM2.5
Nov 4, 2024 18 GoodPM2.5
Nov 3, 2024 36 GoodPM2.5
Nov 2, 2024 58 ModeratePM2.5
Nov 1, 2024 31 GoodPM2.5
Oct 31, 2024 29 GoodPM2.5
Oct 30, 2024 46 GoodPM2.5
Oct 29, 2024 18 GoodPM2.5
Oct 28, 2024 31 GoodPM2.5
Oct 27, 2024 60 ModeratePM2.5
Oct 26, 2024 52 ModeratePM10
Oct 25, 2024 24 GoodPM2.5
Oct 24, 2024 21 GoodPM10
Oct 23, 2024 30 GoodPM2.5
Oct 22, 2024 23 GoodPM2.5
Oct 21, 2024 28 GoodPM2.5
Oct 20, 2024 55 ModeratePM2.5
Oct 19, 2024 58 ModeratePM2.5
Oct 18, 2024 47 GoodPM10
Oct 17, 2024 30 GoodPM10
Oct 16, 2024 30 GoodPM10
Oct 15, 2024 52 ModeratePM2.5
Oct 14, 2024 52 ModeratePM2.5
Oct 13, 2024 51 ModeratePM2.5
Oct 12, 2024 17 GoodPM2.5
Oct 11, 2024 29 GoodPM10
Oct 10, 2024 29 GoodPM2.5
Oct 9, 2024 19 GoodPM2.5
Oct 8, 2024 34 GoodPM2.5
Oct 7, 2024 54 ModeratePM2.5
Oct 6, 2024 50 GoodPM2.5
Oct 5, 2024 47 GoodPM2.5
Oct 4, 2024 23 GoodPM10
Oct 3, 2024 32 GoodPM2.5

Monitoring Stations

DHHS
Anchorage
Est. 2007-09-27
61.2150, -149.9031
GARDEN/TRINITY CHRISTIAN CHURCH
Anchorage
Est. 1979-01-01
61.2059, -149.8246
Merrill Field, Pb Monitoring Station
Anchorage
Est. 2011-10-18
61.2155, -149.8302
ON THE ROOF OF THE ALLSTATE BUILDING
Anchorage
Est. 1996-10-12
61.1811, -149.8174
ON THE ROOF OF THE TUDOR PROFESSIONAL BUILDING
Anchorage
Est. 2015-05-28
61.1811, -149.8340
PARKGATE/EAGLE RIVER
Anchorage
Est. 1974-01-01
61.3267, -149.5697
UNITARIAN CHURCH
Anchorage
Est. 1998-10-15
61.1915, -149.9349

Frequently Asked Questions

What is the air quality in Anchorage, Alaska?

Based on EPA data from 2024, Anchorage has a median Air Quality Index (AQI) of 24, which is classified as "Good." The primary pollutant is PM2.5. Over the past 10 years, air quality has been improving.

Is Anchorage a good place to live for air quality?

Anchorage has a 10-year average median AQI of 28. In 2024, there were 297 days with "Good" air quality and 0 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Anchorage the most?

The primary pollutant driving the AQI in Anchorage is PM2.5. This is monitored by 7 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 Anchorage?

There are 7 active EPA monitoring stations in Anchorage, Alaska. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.