Air Quality in La Crescenta-Montrose, United States

Partly Cloudy
27.8°C · 52.4% humidity
27.8°
Feels 30.3°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
104 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 6am
14
9
35 9am
17
12
9 12pm
7
5
4 3pm
3
3
2 6pm
2
2
1 9pm
1
1
1 12am
1
1
1 3am
13
13
Station readings
15
14
9
CAMS model adj -53
66
66
66
66
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
AD 728×90

Air Quality Index Trend

47h · 2 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.

52.4%
Humidity
39.2 km/h
Wind SW
1017.0 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
35
8.49 µg/m³
PM10▲
44
48.05 µg/m³
050100150200300500

What is the weather forecast for La Crescenta-Montrose?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.58.49 µg/m³ ✓ WHO
Good
PM1048.05 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (104 stations within 25 km)
8.49
Median
9.8
Average
0.35
Low
16.21
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +10.7

What is the 7-day forecast for La Crescenta-Montrose?

09-05
29.7° 22.0°
09-06
34.5° 20.2°
09-07
35.5° 20.1°
09-08
33.1° 16.8°
09-09
33.9° 17.9°
09-10
32.8° 14.7°
09-11
39.5° 20.0°
Both models agree Avg diff: 4.9°C

Where are air quality stations near La Crescenta-Montrose?

22
Mountain View ES (5404)
3.9 km PM2.5: 5.3 µg/m³
17
Verdugo Hills HS (8914)
6.7 km PM2.5: 4.1 µg/m³
16
Clear Creek Ed Ctr (1481)
7.9 km PM2.5: 3.9 µg/m³
20
Eagle Rock Public Library - Inside
10.6 km PM2.5: 4.7 µg/m³
40
Eagle Rock Public Library - Outside
10.6 km PM2.5: 9.7 µg/m³
30
Vinedale ES (7548)
10.8 km PM2.5: 7.2 µg/m³
39
Eagle Rock ES (3507)
10.9 km PM2.5: 9.3 µg/m³
3
RBAC Rose Bowl Aquatics Center
11.0 km 59.0% RH PM2.5: 0.7 µg/m³ PM10: 0.8 µg/m³
37
Glenwood ES (4192)
11.5 km PM2.5: 8.8 µg/m³
35
Annandale ES (2151)
12.3 km PM2.5: 8.3 µg/m³

What cities are near La Crescenta-Montrose?

26 Tujunga 37 La Cañada Flintridge 20 Sunland 42 Burbank 35 Altadena 43 Atwater Village 44 North Hollywood 46 Universal City 38 South Pasadena 38 Silver Lake
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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 2026-09-05T16:32 UTC.