Air Quality in West Whittier-Los Nietos, United States

Clear
29.9°C · 31.0% humidity
29.9°
Feels 29.9°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
75 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 10am
14
18
38 1pm
31
27
23 4pm
21
19
18 7pm
17
17
16 10pm
16
16
15 1am
15
15
15 4am
15
15
15 7am
15
15
Station readings
13
14
18
CAMS model adj -39
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 2 stn

West Whittier-Los Nietos's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

31.0%
Humidity
39.0 km/h
Wind SW
1008.4 hPa
Pressure
29.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
38
9.06 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.59.06 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX29.9
Extreme
AD 300×250
9.06
Median
9.05
Average
0.53
Low
11.84
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +7.3
07-21
30.6° 25.2°
07-22
31.6° 25.0°
07-23
31.6° 24.1°
07-24
35.1° 23.9°
07-25
33.7° 25.1°
07-26
34.2° 22.2°
07-27
33.9° 25.1°
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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 2026-07-21T20:08 UTC.