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Norco (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

Bezchmurnie
15°C
Bezchmurnie
Humidity
96.8%
Wind
1 m/s
Pressure
1014.2 hPa
Direction
123°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
15° / 26°
Precip.
0.1mm
Max wind
5.5 m/s

Hourly Forecast

10.04
Now
Weather
15°
10.04
13:00
Weather
15°
10.04
14:00
Weather
15°
10.04
15:00
Weather
17°
10.04
16:00
Weather
20°
10.04
17:00
Weather
22°
0.1
10.04
18:00
Weather
24°
10.04
19:00
Weather
25°
10.04
20:00
Weather
26°
10.04
21:00
Weather
26°
10.04
22:00
Weather
25°
5
10.04
23:00
Weather
24°
6
11.04
00:00
Weather
23°
5
11.04
01:00
Weather
21°
5
11.04
02:00
Weather
19°
11.04
03:00
Weather
18°
11.04
04:00
Weather
17°
11.04
05:00
Weather
16°
11.04
06:00
Weather
16°
11.04
07:00
Weather
16°
11.04
08:00
Weather
16°
11.04
09:00
Weather
16°
11.04
10:00
Weather
15°
11.04
11:00
Weather
15°

Temperature

26°C
15°C
12:00
15°C
13:00
15°C
14:00
15°C
15:00
17°C
16:00
20°C
17:00
22°C
18:00
24°C
19:00
25°C
20:00
26°C
21:00
26°C
22:00
25°C
23:00
24°C
00:00
23°C
01:00
21°C
02:00
19°C
03:00
18°C
04:00
17°C
05:00
16°C
06:00
16°C
07:00
16°C
08:00
16°C
09:00
16°C
10:00
15°C
11:00
15°C
12:00 23:00 11:00

Precipitation

0.1mm
0mm
17:00
0.1mm
12:00 23:00 11:00

Wind

5.5m/s
0m/s
12:00
0.9 m/s
13:00
0.7 m/s
14:00
1.1 m/s
15:00
0.9 m/s
16:00
0.8 m/s
17:00
1.2 m/s
18:00
2.5 m/s
19:00
3.4 m/s
20:00
4.1 m/s
21:00
4.8 m/s
22:00
5.2 m/s
23:00
5.5 m/s
00:00
5.4 m/s
01:00
5.2 m/s
02:00
4.7 m/s
03:00
4.2 m/s
04:00
3.6 m/s
05:00
3.4 m/s
06:00
3.2 m/s
07:00
2.7 m/s
08:00
2.5 m/s
09:00
2.2 m/s
10:00
2.3 m/s
11:00
1.9 m/s
12:00 23:00 11:00

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
63.7 km
104
34.7%

Measurement time: 2026-04-10 12:00

Calculated from PM2.5/PM10

PM2.5
63.7 km
37 µg/m3
44%

Measurement time: 2026-04-10 12:00

source: Aqicn

O3
54.2 km
67.33 µg/m3
42.1%

Measurement time: 2026-04-10 13:38

source: OpenWeatherMap

PM10
51.2 km
15.07 µg/m3
10.8%

Measurement time: 2026-04-10 13:36

source: OpenWeatherMap

NO2
63.7 km
9.8 µg/m3
4.9%

Measurement time: 2026-04-10 12:00

source: Aqicn

CO
51.2 km
0.14523 mg/m3
1%

Measurement time: 2026-04-10 13:36

source: OpenWeatherMap

SO2
51.2 km
1.84 µg/m3
0.5%

Measurement time: 2026-04-10 13:36

source: OpenWeatherMap

Info


Region: California
Latitude: 33.93113
Longitude: -117.54866


Solar Energy

Low
143.5 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Norco

About Air Quality in Norco

Air quality in Norco 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 Norco

  • 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 Norco?

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 Norco

If you're planning outdoor activities in Norco, 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.