Anchorage

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Anchorage is Alaska’s largest city, home to around 40% of the state’s population, and the most common entry point for visitors to the region. Situated on the Cook Inlet with the Chugach Mountains rising directly behind it, the city combines urban convenience with immediate access to genuine wilderness. For aurora viewing, Anchorage is further south than Fairbanks, meaning displays are less frequent, but strong geomagnetic storms can produce impressive shows visible from within and around the city.

The best aurora viewing near Anchorage requires getting away from city lights. Popular spots include the Glenn Highway corridor, Hatcher Pass, Knik River and the Turnagain Arm stretch of the Seward Highway. Several local operators run guided aurora tours to these locations during the winter months.

By day, Anchorage has plenty to fill the time. The Alaska Native Heritage Center is an excellent introduction to the state’s indigenous cultures. The Anchorage Museum covers art, history and science with a strong focus on the Arctic. The Tony Knowles Coastal Trail runs 18 km along the waterfront and is popular for cycling in summer and fat biking or skiing in winter. Wildlife viewing is surprisingly accessible, with moose regularly wandering through residential areas and the chance to spot beluga whales in Turnagain Arm.

Anchorage also serves as a base for exploring the wider region. The Kenai Peninsula, Denali National Park and the Mat-Su Valley are all within a day’s drive. For dedicated aurora chasers, the drive north to Fairbanks (around 5.5 hours) is worth considering for higher latitude viewing.

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How are my chances of seeing the aurora today?

Many factors contribute to your likelihood of viewing the aurora in Anchorage. Geomagnetic activity, cloud cover and the amount of ambient light all play a big part. Check the forecasts for how good the viewing conditions are today.

Aurora Probability and Atmospheric Conditions

0%

There is a 0% chance of seeing the aurora overhead in the Anchorage area (forecast for 25 August 2026 at 12:55am UTC)

Kp 1.33

The Kp-index is a scale used to measure geomagnetic activity. It ranges from 0 to 9, with higher values indicating greater geomagnetic activity.

  • 0-2 (Very low) Far north, quite dim, and not very active.
  • 3-5 (Moderate) Can be seen further south, with increased brightness and activity. Chance of good viewing conditions nearer the pole.
  • 6-7 (High) Visible in many northern regions, with vibrant displays.
  • 8-9 (Extreme) Widespread visibility, often seen in areas much further south than usual, with intense and colorful displays.
HPI 15 GW

The Hemispheric Power Index (HPI) is a vital measure used to assess the strength of auroral activity at the poles. It estimates the total auroral energy input, with values above 20 GW indicating an aurora-active state. When the HPI reaches levels of 100 GW or more, it signifies a very significant geomagnetic storm, which can lead to spectacular auroral displays.

Bz 1 nT

Bz refers to the north-south orientation of the magnetic field embedded in the solar wind. It is measured in nanoteslas (nT).

When Bz is negative (southward), it allows solar wind particles to penetrate the Earth’s magnetic field more easily. A strong negative Bz is often associated with increased chances of seeing the Northern Lights.

Conversely, when Bz is positive (northward), the Earth’s magnetic field tends to block the solar wind, resulting in reduced aurora activity.

Bt 6 nT

Bt measures the overall power of the Interplanetary Magnetic Field (IMF) from the Sun; higher numbers (e.g., above 20 nT) mean more energy available for aurora.

Density 3.08 p/cm3

Solar wind density refers to the number of charged particles in a given volume of the solar wind, typically measured in particles per cubic centimetre (p/cm3).

A typical solar wind density is around 2.76 p/cm3.

The density of the solar wind affects how many particles reach the Earth’s magnetosphere. A higher density means more particles are available to interact with the Earth’s magnetic field. When these charged particles collide with the gases in the Earth’s atmosphere, energy is released in the form of light that we see as the aurora.

Speed 348.9 km/s

Solar wind speed refers to the velocity at which charged particles are ejected from the Sun’s outer atmosphere, known as the corona.

A typical solar wind speed is about 375 km/s. When both speed and density are high, the energy transferred to the Earth’s magnetosphere increases, enhancing the chances of seeing vibrant auroras.

Light Levels

Moon

Waxing gibbous 78%

Sunrise 6:31am

Sunset 9:32pm

Moonrise 9:17pm

Moonset 1:01am

Weather Forecast for Anchorage

Clouds

18°C Feels like 17°C

High
18°C
Low
12°C

  • Chance of precipitation 0%

  • Cloud cover 100%

  • Southerly winds 2 km/h

Aurora season in Anchorage

The aurora season in Anchorage runs from September to April, with the best viewing conditions in October, February and March.

Peak viewing In season Off season

Book an amazing adventure in Anchorage

Explore this selection of tours and activities to make the most of your visit to Anchorage.

  • Free cancellation

    Grand Knik Helicopter Tour - 2 hours 3 landings - ANCHORAGE AREA

    4.9 (419)

    2 hours From £568.31

    Our signature flightseeing and glacier landing tour, includes 30 mins of flightseeing and 30 mins landed at 3 Glacier areas including on the glacier itself. This tour includes an alpine landing where you will have 30 mins to see the grand size of the 5 mile wide and 29 mile long Knik Glacier with a birds eye view. Your 2nd landing takes you to a 100 foot ice wall where you may even be able to see the massive ice calve . After 30 minutes exploring you go to the glacier landing right in the middle of Knik Glacier, where you can get out of the helicopter and spend about 30 minutes exploring ancient ice. See the azure blue melt pools (summer), crevasses and ice formations created by water, wind and the sun. During your flight seeing, keep your eyes open for the area wildlife to include Moose, Mountain Goats, Dall Sheep, Bears and even wolf on occasion! WINTER OCT-APR LANDING IS NOT ON GLACIER AS POOLS ARE FROZEN- LANDING IS NEXT TO GLACIER Total tour time - 2 hours, includes 3 landings

  • Free cancellation

    Portage Glacier Cruise Experience 1 hr drive from Anchorage

    4.7 (79)

    1 hour From £44.01

    Just an hour’s scenic drive from Anchorage along the breathtaking Seward Highway, Portage Glacier offers an unforgettable Alaskan adventure. Board the M/V Ptarmigan, a custom-built sightseeing vessel designed for optimal glacier viewing, including a heated cabin with expansive windows and an open-air top deck. During the one-hour cruise, you’ll glide across the waters of Portage Lake, journeying past cascading waterfalls and steep mountain cliffs. Get up close to the towering wall of Portage Glacier, and with a bit of luck, witness the thrilling sight (and sound!) of calving ice. A U.S. Forest Service ranger provides expert narration, sharing fascinating insights into the area's history, geology, and wildlife. This budget-friendly and family-friendly tour operates daily from mid-May to mid-September, with five departures to fit your schedule. This is the perfect stop to experience one of the state's most iconic glaciers. Please note: Transportation to/from Anchorage NOT INCLUDED

  • Free cancellation

    PRISTINE - Wilderness, Wildlife, Glacier Experience in Anchorage

    4.9 (3300)

    6 hours From £164.09

    Experience the Big Outdoors and Portage Glacier Cruise! See the amazing beauty that surrounds Anchorage. This special tour does not follow any set route. Nor does it follow a time table. Use your time wisely by going into the wilderness to see wildlife and view glaciers. Summer only: an option, on a 80 ft. cruise ship. (available 11am departure only thru OCT 5th. We follow the sun, the wind and our hearts to navigate your vacation towards the most scenic locations capable for the day of your tour. The Wilderness Wildlife Glacier Experience includes entrance into the Alaska Wildlife Conservation Center. During summer you'll have an option to include a glacier cruise on the mv Ptarmigan. Learn about our rich history and see the Ring of Glaciers. This award winning tour can not be replicated by any other service or shuttle. The Wilderness Wildlife Glacier Experience offers highly trained Guides who's sole purpose is making your vacation memories last a lifetime.

  • Free cancellation

    Knik Glacier Helicopter Flight-90 Mins-1 Landing-Anchorage Area

    5.0 (68)

    1 hour 30 minutes From £387.13

    See the Chugach Range from the air as your helicopter flight takes you over snow capped mountain peaks and braided river valleys to land on over 300 feet of glacial ice thousands of years old! Experience majestic blue pools, stunning, swirling moulins, deep crevasses and dramatic ice formations that continue to fascinate and attract the explorer in all of us when you step foot and trek around the surface of the Knik Glacier. The mighty Knik, one of the largest glaciers left in Southcentral Alaska, is 26 miles in length and 6 miles across at its toe and is just one of several glaciers in the ancient river valley. In addition to spotting wildlife from the air (moose, dall sheep, spawning salmon, and bears), you’ll have an eagle’s eye view of towering waterfalls, glacial iceberg-filled lakes, and the untouched wilderness of the Alaska backcountry. Enjoy a once in a lifetime Glacier Plunge in the summer months at no additional cost! Approx. 40 mins flight time w/ 45 mins on glacier.

  • Free cancellation

    Anchorage Trolley's Deluxe City Tour

    4.8 (1715)

    1 hour 30 minutes From £37.30

    Step aboard Anchorage Trolley’s Deluxe City Tour for a one-of-a-kind adventure that goes far beyond sightseeing. Over the course of 1.5 to 2 hours, you’ll cover 20 miles of Anchorage’s most iconic landmarks, but what sets this tour apart is the storytelling that brings the city to life. Our dynamic guides don’t just recite facts—they share captivating tales of Alaska’s rich history from past to present. At key stops, hop off the trolley with your guide to experience Anchorage up close: Earthquake Park: Explore the landscape shaped by the 1964 earthquake. Lake Hood: See floatplanes take off and land on the water. Ship Creek: Watch anglers and salmon in action. Point Woronzof: take in stunning, panoramic views of Anchorage and capture those picture-perfect moments. Each stop offers a fresh perspective on the city's beauty and history!

  • Free cancellation

    Glacier View & Wildlife Anchorage Adventure Tour

    4.9 (410)

    7 hours From £132.03

    The Experience Award wining Tour in Anchorage on Viator (2025) Discover Anchorages's top-rated day trip! This award-winning tour combines Anchorage highlights, dramatic Turnagain Arm views, and guaranteed wildlife encounters at the Alaska Wildlife Conservation Center. See hanging glaciers, stroll scenic trails, and enjoy local insight from expert guides — all in one unforgettable small-group adventure.

Places to check out around Anchorage

Discover Restaurants, Parks, Hiking Trails and more…

Explore more nearby Anchorage

Get off the beaten track, these nearby destinations also offer opportunities to see the Northern Lights and are within easy reach of Anchorage.

  • Beautiful afternoon in Alaska as the storm lifts, Eagle River, Alaska

    Credit: Cindy Dalton

    Eagle River

    61°20'45"N, 149°34'2"W

    Aurora probability in Eagle River: 0%

    Just 20 miles north of Anchorage, Eagle River is nestled in the Chugach Mountains. This lovely town is known for its outdoor activities, including hiking, fishing and skiing in the winter. The scenic views and proximity to nature make it a perfect getaway for those looking to explore the Alaskan wilderness.

  • Spencer Glacier, Girdwood, Alaska

    Credit: Alexandra Tran

    Girdwood

    60°57'27"N, 149°5'53"W

    Aurora probability in Girdwood: 0%

    Located about 40 miles south of Anchorage, Girdwood is a charming mountain town known for its ski resorts and stunning natural beauty. Visitors can enjoy skiing and snowboarding in the winter, as well as hiking and wildlife viewing in the summer. The town also offers hot springs and a variety of dining options, making it a popular destination for outdoor enthusiasts.

  • Portage Glacier, Whittier, Alaska

    Credit: Lori Stevens

    Whittier

    60°45'34"N, 148°41'22"W

    Aurora probability in Whittier: 0%

    Whittier is a small town located about 60 miles southeast of Anchorage, accessible via the scenic Anton Anderson Memorial Tunnel. Known as the gateway to Prince William Sound, Whittier offers stunning fjords, glaciers and abundant wildlife.

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