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East Hill-Meridian (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

Leichter Regen
8°C
Leichter Regen
Humidity
48.2%
Wind
9 m/s
Pressure
1012.5 hPa
Direction
115°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
6° / 10°
Precip.
9.4mm
Max wind
9.3 m/s

Hourly Forecast

22.02
Now
Weather
0.1
9
22.02
08:00
Weather
9
22.02
09:00
Weather
9
22.02
10:00
Weather
9
22.02
11:00
Weather
2.2
9
22.02
12:00
Weather
0.3
8
22.02
13:00
Weather
9
22.02
14:00
Weather
9
22.02
15:00
Weather
8
22.02
16:00
Weather
7
22.02
17:00
Weather
0.1
6
22.02
18:00
Weather
0.3
22.02
19:00
Weather
0.3
22.02
20:00
Weather
0.2
22.02
21:00
Weather
22.02
22:00
Weather
10°
0.2
22.02
23:00
Weather
10°
6
23.02
00:00
Weather
0.2
5
23.02
01:00
Weather
1.3
23.02
02:00
Weather
0.4
23.02
03:00
Weather
1.4
23.02
04:00
Weather
0.9
23.02
05:00
Weather
0.6
23.02
06:00
Weather
0.9

Temperature

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

Precipitation

2.2mm
0mm
07:00
0.1mm
11:00
2.2mm
12:00
0.3mm
17:00
0.1mm
18:00
0.3mm
19:00
0.3mm
20:00
0.2mm
22:00
0.2mm
00:00
0.2mm
01:00
1.3mm
02:00
0.4mm
03:00
1.4mm
04:00
0.9mm
05:00
0.6mm
06:00
0.9mm
07:00 18:00 06:00

Wind

9.3m/s
0m/s
07:00
9.2 m/s
08:00
8.6 m/s
09:00
9.2 m/s
10:00
9.3 m/s
11:00
8.7 m/s
12:00
8 m/s
13:00
9.1 m/s
14:00
9.3 m/s
15:00
8.4 m/s
16:00
7.4 m/s
17:00
6 m/s
18:00
4.6 m/s
19:00
4.5 m/s
20:00
3.3 m/s
21:00
3.9 m/s
22:00
3.8 m/s
23:00
5.6 m/s
00:00
5.2 m/s
01:00
4.4 m/s
02:00
3 m/s
03:00
4.2 m/s
04:00
3.1 m/s
05:00
3.3 m/s
06:00
3.6 m/s
07:00 18:00 06:00

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
41.7 km
37
12.3%

Measurement time: 2026-02-22 08:00

Calculated from PM2.5/PM10

O3
46.9 km
80.93 µg/m3
50.6%

Measurement time: 2026-02-22 08:00

source: OpenWeatherMap

PM2.5
41.7 km
9 µg/m3
10.7%

Measurement time: 2026-02-22 08:00

source: Aqicn

NO2
46.9 km
3.97 µg/m3
2%

Measurement time: 2026-02-22 08:00

source: OpenWeatherMap

PM10
46.9 km
1.93 µg/m3
1.4%

Measurement time: 2026-02-22 08:00

source: OpenWeatherMap

CO
46.9 km
0.17397 mg/m3
1.2%

Measurement time: 2026-02-22 08:00

source: OpenWeatherMap

SO2
46.9 km
0.21 µg/m3
0.1%

Measurement time: 2026-02-22 08:00

source: OpenWeatherMap

Info


Region: Washington
Latitude: 47.41052
Longitude: -122.17369

About Air Quality in East Hill-Meridian

Air quality in East Hill-Meridian 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 East Hill-Meridian

  • 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 East Hill-Meridian?

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 East Hill-Meridian

If you're planning outdoor activities in East Hill-Meridian, 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.