Air Quality in La Crescenta-Montrose, United States

Windy
30.0°C · 23.1% humidity
30.0°
Feels 30.0°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
45 3pm
45
45
15 6pm
24
30
34 9pm
37
39
41 12am
42
43
56 3am
56
56
56 6am
57
45
45 9am
45
45
45 12pm
45
45
Station readings
46
50
25
CAMS model adj -9
54
54
54
54
54
54
54
54
54
54
54
54
66
66
66
66
66
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 1 stn

La Crescenta-Montrose's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

23.1%
Humidity
44.5 km/h
Wind SSW
1009.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
15
3.51 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.53.51 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
3.51
Median
4.28
Average
1.27
Low
9.67
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +10.0
06-09
30.0° 16.3°
06-10
29.6° 16.5°
06-11
27.9° 16.9°
06-12
30.0° 18.0°
0.06 mm
06-13
34.3° 19.4°
06-14
28.5° 22.0°
06-15
25.4° 12.9°
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T01:07 UTC.