Air Quality in Folsom, United States

Windy
33.0°C · 19.8% humidity
33.0°
Feels 33.0°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast
24 11am
24
24
27 2pm
24
24
24 5pm
24
25
25 8pm
25
25
25 11pm
27
27
27 2am
34
34
34 5am
34
34
34 8am
34
27
AD 728×90

Air Quality Index Trend

46h · 58 stn

Folsom'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 Folsom is 1.3× the WHO annual guideline of 5 µg/m³.

19.8%
Humidity
49.5 km/h
Wind NNW
1014.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.45 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Folsom?

Temperature & Precipitation

PM2.5 Trend

46h · 58 stations
PM2.56.45 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (10 stations within 25 km)
6.45
Median
7.9
Average
4.96
Low
29.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.6

What is the 7-day forecast for Folsom?

05-28
29.3° 12.6°
05-29
33.0° 14.7°
05-30
29.4° 17.5°
05-31
31.6° 21.6°
06-01
39.4° 16.2°
06-02
33.0° 16.2°
06-03
33.3° 10.3°
Both models agree Avg diff: 4.4°C

Where are air quality stations near Folsom?

22
Folsom-Natoma Street, Sacramento, California
1.2 km PM2.5: 5.3 µg/m³
46
Folsom-Natoma Street, Sacramento, California
1.2 km PM2.5: 11.0 µg/m³
56
Roseville-N Sunrise Ave, Placer, California
10.8 km PM2.5: 14.5 µg/m³
26
Sloughhouse, Sacramento, California
20.6 km PM2.5: 6.2 µg/m³
21
Rocklin/PCH
20.7 km PM2.5: 5.1 µg/m³
24
Rio Linda & Grand
23.9 km PM2.5: 5.7 µg/m³
21
2-3 Rio Linda Blvd.
24.0 km PM2.5: 5.1 µg/m³
22
1-3 Norwood
24.7 km PM2.5: 5.3 µg/m³
21
1-2 I-80
24.9 km PM2.5: 5.0 µg/m³
26
Del Paso & El Camino
24.9 km PM2.5: 6.3 µg/m³

What cities are near Folsom?

42 Orangevale 39 El Dorado Hills 28 Fair Oaks 55 Granite Bay 59 Citrus Heights 60 Rocklin 41 Antelope 22 Rancho Cordova 23 Carmichael 26 Foothill Farms
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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.