Stay updated with real-time air quality in College, Alaska featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
21
Good
College, Alaska
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.83 μg/m³
0
55
155
255
425
605+
19.05 ppb
0
55
71
86
201
201+
7.00 ppb
0
36
76
186
605
1005+
2.69 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
College, Alaska
College, Alaska
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AQI 21
Good
1.40μg/m³
PM2.5
22.99μg/m³
PM10
19.00ppb
O3
7.00ppb
SO2
2.69ppb
NO2
0.10ppm
CO
AQI 19
Good
3.40μg/m³
PM2.5
17.95μg/m³
PM10
20.28ppb
O3
7.00ppb
SO2
2.68ppb
NO2
0.10ppm
CO
AQI 20
Good
0.50μg/m³
PM2.5
4.48μg/m³
PM10
22.48ppb
O3
7.00ppb
SO2
2.27ppb
NO2
0.11ppm
CO
AQI 20
Good
0.60μg/m³
PM2.5
4.54μg/m³
PM10
22.28ppb
O3
7.00ppb
SO2
2.28ppb
NO2
0.11ppm
CO
AQI 20
Good
0.99μg/m³
PM2.5
4.95μg/m³
PM10
22.19ppb
O3
7.00ppb
SO2
2.32ppb
NO2
0.10ppm
CO
AQI 49
Good
8.56μg/m³
PM2.5
20.45μg/m³
PM10
24.67ppb
O3
6.98ppb
SO2
2.32ppb
NO2
0.22ppm
CO
Air quality and pollutant data for Alaska, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for College, Alaska is updated every hour for accuracy.
In the past 24 hours, the air quality in College, Alaska was at its worst at 11:00:00 on 2026-08-16.
In the last 24 hours, the best air quality in College, Alaska was observed at 01:00:00 on 2026-08-17.
As of now, the AQI in College, Alaska is 21, indicating Good conditions.
College, Alaska air has the highest levels of PM10.
Poor air quality in College, Alaska means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in College, Alaska are currently 1.454 μg/m3.
The PM10 concentration in College, Alaska is 22.827 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in College, Alaska is 0.1 ppm.
Currently, College, Alaska has a sulfur dioxide (SO2) concentration of 6.996 ppb.
The current ozone (O3) level in College, Alaska at the moment is 19.046 ppm.
Nitrogen dioxide (NO2) level in College, Alaska at the moment is 2.693 ppb.
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