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La Cañada Flintridge (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

Ясне небо
35°C
Ясне небо
Humidity
14.9%
Wind
3 m/s
Pressure
1014.3 hPa
Direction
193°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
21° / 35°
Precip.
0mm
Max wind
3.4 m/s

Hourly Forecast

20.03
Now
Weather
35°
20.03
22:00
Weather
35°
20.03
23:00
Weather
34°
21.03
00:00
Weather
32°
21.03
01:00
Weather
31°
21.03
02:00
Weather
28°
21.03
03:00
Weather
26°
21.03
04:00
Weather
25°
21.03
05:00
Weather
24°
21.03
06:00
Weather
23°
21.03
07:00
Weather
22°
21.03
08:00
Weather
22°
21.03
09:00
Weather
23°
21.03
10:00
Weather
22°
21.03
11:00
Weather
22°
21.03
12:00
Weather
21°
21.03
13:00
Weather
21°
21.03
14:00
Weather
21°
21.03
15:00
Weather
22°
21.03
16:00
Weather
25°
21.03
17:00
Weather
27°
21.03
18:00
Weather
28°
21.03
19:00
Weather
29°
21.03
20:00
Weather
30°

Temperature

35°C
21°C
21:00
35°C
22:00
35°C
23:00
34°C
00:00
32°C
01:00
31°C
02:00
28°C
03:00
26°C
04:00
25°C
05:00
24°C
06:00
23°C
07:00
22°C
08:00
22°C
09:00
23°C
10:00
22°C
11:00
22°C
12:00
21°C
13:00
21°C
14:00
21°C
15:00
22°C
16:00
25°C
17:00
27°C
18:00
28°C
19:00
29°C
20:00
30°C
21:00 08:00 20:00

Precipitation

0mm
0mm
21:00 08:00 20:00

Wind

3.4m/s
0m/s
21:00
3.1 m/s
22:00
3.3 m/s
23:00
3.2 m/s
00:00
2.9 m/s
01:00
2.3 m/s
02:00
1.6 m/s
03:00
1.2 m/s
04:00
0.9 m/s
05:00
1.1 m/s
06:00
1.3 m/s
07:00
1.4 m/s
08:00
1 m/s
09:00
0.8 m/s
10:00
0.7 m/s
11:00
0.9 m/s
12:00
1.3 m/s
13:00
1.3 m/s
14:00
1.2 m/s
15:00
1.3 m/s
16:00
1.8 m/s
17:00
2.7 m/s
18:00
3.1 m/s
19:00
3.3 m/s
20:00
3.4 m/s
21:00 08:00 20:00

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
8.1 km
91
30.3%

Measurement time: 2026-03-20 19:33

Calculated from PM2.5/PM10

O3
8.1 km
93.64 µg/m3
58.5%

Measurement time: 2026-03-20 19:33

source: OpenWeatherMap

PM2.5
8.1 km
31.33 µg/m3
37.3%

Measurement time: 2026-03-20 19:33

source: OpenWeatherMap

PM10
8.1 km
38.74 µg/m3
27.7%

Measurement time: 2026-03-20 19:33

source: OpenWeatherMap

CO
8.1 km
0.23041 mg/m3
1.6%

Measurement time: 2026-03-20 19:33

source: OpenWeatherMap

NO2
8.1 km
1.64 µg/m3
0.8%

Measurement time: 2026-03-20 19:33

source: OpenWeatherMap

SO2
8.1 km
0.84 µg/m3
0.2%

Measurement time: 2026-03-20 19:33

source: OpenWeatherMap

Info


Region: California
Latitude: 34.19917
Longitude: -118.18785

About Air Quality in La Cañada Flintridge

Air quality in La Cañada Flintridge 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 La Cañada Flintridge

  • 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 La Cañada Flintridge?

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 La Cañada Flintridge

If you're planning outdoor activities in La Cañada Flintridge, 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.