Stay updated with real-time air quality in Redmond, Washington featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
22
Good
Redmond, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.76 μg/m³
0
55
155
255
425
605+
19.82 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
6.30 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Redmond, Washington
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AQI 27
Good
4.58μg/m³
PM2.5
16.16μg/m³
PM10
19.50ppb
O3
0.14ppb
SO2
7.67ppb
NO2
0.20ppm
CO
AQI 22
Good
4.37μg/m³
PM2.5
11.71μg/m³
PM10
18.41ppb
O3
0.14ppb
SO2
9.69ppb
NO2
0.21ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
16.59μg/m³
PM10
19.70ppb
O3
0.14ppb
SO2
9.33ppb
NO2
0.21ppm
CO
AQI 44
Good
8.24μg/m³
PM2.5
36.17μg/m³
PM10
19.47ppb
O3
0.14ppb
SO2
9.68ppb
NO2
0.21ppm
CO
AQI 22
Good
3.69μg/m³
PM2.5
13.93μg/m³
PM10
19.27ppb
O3
0.14ppb
SO2
6.38ppb
NO2
0.20ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
22.00μg/m³
PM10
19.53ppb
O3
0.14ppb
SO2
7.53ppb
NO2
0.20ppm
CO
The air quality data for Washington, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Redmond, Washington are available every hour.
Redmond, Washington experienced its worst air quality at 02:00:00, 2026-03-14.
The best air quality in Redmond, Washington was observed at 01:00:00 on 2026-03-15.
The air quality in Redmond, Washington right now is Good, with an AQI of 22.
In Redmond, Washington, PM2.5 is the most frequently found pollutant.
When air quality in Redmond, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Redmond, Washington currently has a PM2.5 concentration of 3.501 μg/m3.
Redmond, Washington currently has a PM10 concentration of 13.756 μg/m3.
The current carbon monoxide (CO) level in Redmond, Washington is 0.203 ppm.
The current sulfur dioxide (SO2) concentration in Redmond, Washington is 0.139 ppb.
Redmond, Washington currently has an ozone (O3) concentration of 19.825 ppm.
The current level of nitrogen dioxide (NO2) in Redmond, Washington is 6.302 ppb.
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