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Contra Costa Centre (California) (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

Regenschauer
13°C
Regenschauer
Humidity
95.9%
Wind
1 m/s
Pressure
1013.2 hPa
Direction
117°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
12° / 18°
Precip.
24.2mm
Max wind
5.5 m/s

Hourly Forecast

10.04
Now
Weather
13°
0.4
10.04
10:00
Weather
12°
1.1
10.04
11:00
Weather
12°
0.3
10.04
12:00
Weather
12°
1
10.04
13:00
Weather
12°
4.3
10.04
14:00
Weather
12°
2.1
10.04
15:00
Weather
13°
2.3
10.04
16:00
Weather
14°
0.4
10.04
17:00
Weather
15°
4.1
10.04
18:00
Weather
15°
0.9
10.04
19:00
Weather
16°
0.6
10.04
20:00
Weather
16°
0.2
10.04
21:00
Weather
18°
1.2
6
10.04
22:00
Weather
17°
1.9
5
10.04
23:00
Weather
16°
2.5
5
11.04
00:00
Weather
15°
0.3
11.04
01:00
Weather
15°
0.1
11.04
02:00
Weather
13°
11.04
03:00
Weather
13°
11.04
04:00
Weather
13°
11.04
05:00
Weather
12°
0.2
11.04
06:00
Weather
12°
11.04
07:00
Weather
12°
0.1
11.04
08:00
Weather
12°
0.2

Temperature

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

Precipitation

4.3mm
0mm
09:00
0.4mm
10:00
1.1mm
11:00
0.3mm
12:00
1mm
13:00
4.3mm
14:00
2.1mm
15:00
2.3mm
16:00
0.4mm
17:00
4.1mm
18:00
0.9mm
19:00
0.6mm
20:00
0.2mm
21:00
1.2mm
22:00
1.9mm
23:00
2.5mm
00:00
0.3mm
01:00
0.1mm
05:00
0.2mm
07:00
0.1mm
08:00
0.2mm
09:00 20:00 08:00

Wind

5.5m/s
0m/s
09:00
1.2 m/s
10:00
1.5 m/s
11:00
1.9 m/s
12:00
2.4 m/s
13:00
2.5 m/s
14:00
3.1 m/s
15:00
3.5 m/s
16:00
3.4 m/s
17:00
3.4 m/s
18:00
3.6 m/s
19:00
4 m/s
20:00
4.4 m/s
21:00
5.5 m/s
22:00
5.4 m/s
23:00
5.2 m/s
00:00
5 m/s
01:00
4.4 m/s
02:00
4.4 m/s
03:00
3.8 m/s
04:00
3.7 m/s
05:00
3.9 m/s
06:00
3.5 m/s
07:00
3.6 m/s
08:00
3.9 m/s
09:00 20:00 08:00

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
12.8 km
10
3.3%

Measurement time: 2026-04-10 09:51

Calculated from PM2.5/PM10

O3
12.8 km
65.24 µg/m3
40.8%

Measurement time: 2026-04-10 09:51

source: OpenWeatherMap

PM10
12.8 km
4.19 µg/m3
3%

Measurement time: 2026-04-10 09:51

source: OpenWeatherMap

PM2.5
12.8 km
2.49 µg/m3
3%

Measurement time: 2026-04-10 09:51

source: OpenWeatherMap

CO
12.8 km
0.11031 mg/m3
0.8%

Measurement time: 2026-04-10 09:51

source: OpenWeatherMap

NO2
12.8 km
1.27 µg/m3
0.6%

Measurement time: 2026-04-10 09:51

source: OpenWeatherMap

SO2
12.8 km
0.72 µg/m3
0.2%

Measurement time: 2026-04-10 09:51

source: OpenWeatherMap

Info


Region: California
Latitude: 37.92752
Longitude: -122.05786

About Air Quality in Contra Costa Centre

Air quality in Contra Costa Centre 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 Contra Costa Centre

  • 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 Contra Costa Centre?

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 Contra Costa Centre

If you're planning outdoor activities in Contra Costa Centre, 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.