Air Quality in Pasco, United States

Windy
29.6°C · 17.4% humidity
29.6°
Feels 29.6°
121
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
154 10am
140
101
121 1pm
115
111
108 4pm
106
134
133 7pm
132
131
131 10pm
131
131
130 1am
130
130
130 4am
130
142
142 7am
130
130
Station readings
154
140
79
CAMS model adj +76
34
27
25
25
25
25
25
25
54
54
54
54
54
54
54
54
54
54
54
54
66
66
54
54
AD 728×90

Air Quality Index Trend

46h · 4 stn

Pasco'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 Pasco is 2.9× the WHO 24-hour guideline of 15 µg/m³.

17.4%
Humidity
43.9 km/h
Wind WSW
1009.4 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
121
43.49 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Pasco?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations
PM2.543.49 µg/m³ ×2.9 WHO
Unhealthy for sensitive groups
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
43.49
Median
39.21
Average
27.3
Low
48.55
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -37.2

What is the 7-day forecast for Pasco?

07-21
39.5° 18.2°
07-22
36.9° 20.6°
07-23
44.4° 21.8°
07-24
44.5° 19.5°
07-25
36.6° 22.5°
07-26
44.3° 15.6°
07-27
38.2° 22.3°
Both models agree Avg diff: 3.6°C

Where are air quality stations near Pasco?

132
Pasco
3.8 km PM2.5: 47.9 µg/m³
10
Metaline, Kennewick, Washington, USA
8.1 km PM2.5: 2.4 µg/m³
51
Metaline, Kennewick, Washington, USA
8.1 km PM2.5: 12.1 µg/m³
35
Metaline, Kennewick, Washington, USA
8.1 km PM2.5: 8.4 µg/m³
79
Burbank-Maple St
8.3 km PM2.5: 25.6 µg/m³
77
Finley-S Finley Rd
10.6 km PM2.5: 24.7 µg/m³
75
Kennewick-S Steptoe St
11.7 km PM2.5: 23.3 µg/m³

What cities are near Pasco?

101 Kennewick 90 Tri-Cities 96 Richland 27 Hermiston 125 Walla Walla 108 Pendleton 74 Sunnyside 147 Moses Lake 70 Yakima 67 Ellensburg
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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 2026-07-21T20:09 UTC.