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Joint Base Lewis McChord (Washington) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Częściowe zachmurzenie
2°C
Częściowe zachmurzenie
Humidity
98.4%
Wind
2 m/s
Pressure
1023.2 hPa
Direction
338°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
1° / 9°
Precip.
0mm
Max wind
4.5 m/s

Hourly Forecast

30.03
Now
Weather
30.03
11:00
Weather
30.03
12:00
Weather
30.03
13:00
Weather
30.03
14:00
Weather
30.03
15:00
Weather
30.03
16:00
Weather
30.03
17:00
Weather
30.03
18:00
Weather
30.03
19:00
Weather
30.03
20:00
Weather
30.03
21:00
Weather
30.03
22:00
Weather
30.03
23:00
Weather
31.03
00:00
Weather
31.03
01:00
Weather
31.03
02:00
Weather
31.03
03:00
Weather
31.03
04:00
Weather
31.03
05:00
Weather
31.03
06:00
Weather
31.03
07:00
Weather
31.03
08:00
Weather
31.03
09:00
Weather

Temperature

9°C
1°C
10:00
2°C
11:00
1°C
12:00
1°C
13:00
1°C
14:00
1°C
15:00
1°C
16:00
3°C
17:00
4°C
18:00
6°C
19:00
7°C
20:00
8°C
21:00
9°C
22:00
9°C
23:00
9°C
00:00
9°C
01:00
8°C
02:00
7°C
03:00
5°C
04:00
4°C
05:00
4°C
06:00
3°C
07:00
3°C
08:00
3°C
09:00
3°C
10:00 21:00 09:00

Precipitation

0mm
0mm
10:00 21:00 09:00

Wind

4.5m/s
0m/s
10:00
2.1 m/s
11:00
1.6 m/s
12:00
1.5 m/s
13:00
1.8 m/s
14:00
1.7 m/s
15:00
1.5 m/s
16:00
1.3 m/s
17:00
1.9 m/s
18:00
3.3 m/s
19:00
3.7 m/s
20:00
3.8 m/s
21:00
4.1 m/s
22:00
4.1 m/s
23:00
4.3 m/s
00:00
4.5 m/s
01:00
4.4 m/s
02:00
3.9 m/s
03:00
3.9 m/s
04:00
3.6 m/s
05:00
3.4 m/s
06:00
3.1 m/s
07:00
2.9 m/s
08:00
3 m/s
09:00
3.1 m/s
10:00 21:00 09:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
75.3 km
50
16.7%

Measurement time: 2026-03-30 11:00

Calculated from PM2.5/PM10

O3
79.7 km
61.79 µg/m3
38.6%

Measurement time: 2026-03-30 10:44

source: OpenWeatherMap

PM2.5
75.3 km
12 µg/m3
14.3%

Measurement time: 2026-03-30 11:00

source: Aqicn

NO2
79.7 km
3.81 µg/m3
1.9%

Measurement time: 2026-03-30 10:44

source: OpenWeatherMap

PM10
79.7 km
1.86 µg/m3
1.3%

Measurement time: 2026-03-30 10:44

source: OpenWeatherMap

CO
79.7 km
0.16018 mg/m3
1.1%

Measurement time: 2026-03-30 10:44

source: OpenWeatherMap

SO2
79.7 km
0.16 µg/m3
0%

Measurement time: 2026-03-30 10:44

source: OpenWeatherMap

Info


Region: Washington
Latitude: 47.10787
Longitude: -122.57694

About Air Quality in Joint Base Lewis McChord

Air quality in Joint Base Lewis McChord is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Joint Base Lewis McChord

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Joint Base Lewis McChord?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Joint Base Lewis McChord

If you're planning outdoor activities in Joint Base Lewis McChord, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.