Air Quality in Folsom, United States
Partly Cloudy
18.4°C · 57.3% humidity
18.4°
Feels 18.4°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
20
5pm
18
18
13
8pm
13
13
13
11pm
0
0
13
2am
13
13
13
5am
25
25
25
8am
25
25
25
11am
25
25
25
2pm
25
25
Station readings
20
18
18
CAMS model
adj -12
37
25
25
25
25
25
25
12
12
25
25
25
25
37
37
37
37
37
37
37
37
37
37
37
PM2.5 Trend (24h)
23h · 53 stations57.3%
Humidity
17.5 km/h
Wind SSW
1011.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Folsom?
Temperature & Precipitation
PM2.54.21 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (7 stations within 25 km)
4.21
Median
4.35
Average
3.97
Low
5.35
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.7
What is the 7-day forecast for Folsom?
04-09
24.1° 14.2°
1.37 mm
04-10
22.7° 12.4°
8.81 mm
04-11
21.6° 11.3°
2.44 mm
04-12
18.9° 7.6°
0.5 mm
04-13
15.0° 5.5°
1.75 mm
04-14
17.9° 7.8°
04-15
21.2° 11.1°
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Folsom?
21
Folsom-Natoma Street, Sacramento, California
18
Folsom-Natoma Street, Sacramento, California
17
Roseville-N Sunrise Ave, Placer, California
18
Roseville-N Sunrise Ave, Placer, California
22
Sloughhouse, Sacramento, California
21
Sloughhouse, Sacramento, California
18
Rocklin/PCH
18
Rio Linda & Grand
16
2-3 Rio Linda Blvd.
16
1-3 Norwood
What cities are near Folsom?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:28 UTC.