Stay updated with real-time air quality in Mesa, Arizona 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)
42
Good
Mesa, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.37 μg/m³
0
55
155
255
425
605+
45.13 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
15.98 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mesa, Arizona
Mesa, Arizona
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AQI 44
Good
7.73μg/m³
PM2.5
30.35μg/m³
PM10
21.55ppb
O3
0.88ppb
SO2
19.75ppb
NO2
0.43ppm
CO
AQI 49
Good
8.86μg/m³
PM2.5
27.12μg/m³
PM10
18.20ppb
O3
0.81ppb
SO2
24.05ppb
NO2
0.44ppm
CO
AQI 52
Moderate
9.75μg/m³
PM2.5
40.17μg/m³
PM10
13.12ppb
O3
0.84ppb
SO2
21.21ppb
NO2
0.41ppm
CO
AQI 27
Good
4.89μg/m³
PM2.5
21.62μg/m³
PM10
7.93ppb
O3
0.78ppb
SO2
23.13ppb
NO2
0.47ppm
CO
AQI 27
Good
4.79μg/m³
PM2.5
21.65μg/m³
PM10
13.88ppb
O3
0.80ppb
SO2
22.07ppb
NO2
0.51ppm
CO
AQI 54
Moderate
10.96μg/m³
PM2.5
49.51μg/m³
PM10
19.08ppb
O3
0.86ppb
SO2
22.41ppb
NO2
0.44ppm
CO
Air quality data and pollutant measurements for Arizona, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Mesa, Arizona is updated every hour.
The worst air quality in Mesa, Arizona in the last 24 hours was observed at 03:00:00 on 2025-11-09.
In the last 24 hrs, the best air quality in Mesa, Arizona was observed at 06:00:00 on 2025-11-08.
The current air quality in Mesa, Arizona is 49, categorized as Good based on real-time data.
The most common pollutant in Mesa, Arizona is PM2.5.
If the air quality in Mesa, Arizona is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Mesa, Arizona is 8.554 μg/m3.
The current PM10 concentration at Mesa, Arizona is 25.05 μg/m3.
The current carbon monoxide (CO) concentration at Mesa, Arizona is 0.384 ppm.
The current sulfur dioxide (SO2) concentration at Mesa, Arizona is 0.644 ppb.
The current ozone (O3) concentration at Mesa, Arizona is 25.765 ppm.
The current nitrogen dioxide (NO2) concentration at Mesa, Arizona is 23.673 ppb.
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