Air Quality in Downey, United States

Windy
28.2°C · 28.8% humidity
28.2°
Feels 28.2°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
93 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
1 11am
1
21
23 2pm
21
21
21 5pm
1
1
21 8pm
21
21
21 11pm
21
21
21 2am
21
21
21 5am
21
21
21 8am
21
21
Station readings
4
4
12
17
CAMS model adj -33
34
34
54
54
54
54
54
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

38h · 1 stn

Downey's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Downey is 1.1× the WHO annual guideline of 5 µg/m³.

28.8%
Humidity
54.8 km/h
Wind SW
1011.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.64 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Downey?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.55.64 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (93 stations within 25 km)
5.64
Median
5.46
Average
0.3
Low
17.3
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +5.2

What is the 7-day forecast for Downey?

05-28
25.8° 18.3°
05-29
28.2° 18.9°
05-30
22.2° 17.6°
05-31
25.3° 19.6°
06-01
28.4° 18.3°
06-02
26.7° 16.5°
06-03
26.9° 16.6°
Both models agree Avg diff: 2.6°C

Where are air quality stations near Downey?

24
Elizabeth Learning Ctr (3548)
5.4 km PM2.5: 5.8 µg/m³
25
Bryson ES (2589)
5.6 km PM2.5: 5.9 µg/m³
23
Maywood ES
7.6 km PM2.5: 5.5 µg/m³
25
State ES (6918)
7.8 km PM2.5: 5.9 µg/m³
22
Montara Ave ES (6878)
7.9 km PM2.5: 5.3 µg/m³
21
San Antonio ES (4641)
8.7 km PM2.5: 5.1 µg/m³
25
Weigand ES (7634)
9.0 km PM2.5: 6.1 µg/m³
25
Jordan HS (8721)
9.0 km PM2.5: 6.1 µg/m³
26
Imperial Hwy.
9.2 km PM2.5: 6.2 µg/m³
23
Middleton ES (5301)
9.9 km PM2.5: 5.6 µg/m³

What cities are near Downey?

24 Bell Gardens 23 Santa Fe Springs 24 Cudahy 24 Pico Rivera 23 Paramount 24 Bell 23 Bellflower 24 West Whittier-Los Nietos 24 Lynwood 23 East Rancho Dominguez
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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 2026-05-28T21:46 UTC.