Stay updated with real-time air quality in Calimesa, California 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)
34
Good
Calimesa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.18 μg/m³
0
55
155
255
425
605+
37.42 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
4.50 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Calimesa, California
Calimesa, California
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AQI 36
Good
2.24μg/m³
PM2.5
7.29μg/m³
PM10
39.48ppb
O3
0.28ppb
SO2
4.72ppb
NO2
0.24ppm
CO
AQI 36
Good
3.47μg/m³
PM2.5
9.59μg/m³
PM10
38.65ppb
O3
0.28ppb
SO2
2.69ppb
NO2
0.24ppm
CO
AQI 36
Good
2.30μg/m³
PM2.5
6.14μg/m³
PM10
38.77ppb
O3
0.29ppb
SO2
6.00ppb
NO2
0.24ppm
CO
AQI 37
Good
2.07μg/m³
PM2.5
17.07μg/m³
PM10
39.73ppb
O3
0.29ppb
SO2
5.35ppb
NO2
0.24ppm
CO
AQI 35
Good
1.95μg/m³
PM2.5
6.53μg/m³
PM10
37.79ppb
O3
0.29ppb
SO2
7.16ppb
NO2
0.24ppm
CO
AQI 34
Good
1.88μg/m³
PM2.5
6.35μg/m³
PM10
37.25ppb
O3
0.29ppb
SO2
7.26ppb
NO2
0.24ppm
CO
The air quality data for California, 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 Calimesa, California are available every hour.
Calimesa, California experienced its worst air quality at 01:00:00, 2026-10-22.
The best air quality in Calimesa, California was observed at 12:00:00 on 2026-10-22.
The air quality in Calimesa, California right now is Good, with an AQI of 37.
In Calimesa, California, O3 is the most frequently found pollutant.
When air quality in Calimesa, California is compromised, staying indoors and wearing a mask can reduce health risks.
Calimesa, California currently has a PM2.5 concentration of 2.24 μg/m3.
Calimesa, California currently has a PM10 concentration of 7.533 μg/m3.
The current carbon monoxide (CO) level in Calimesa, California is 0.241 ppm.
The current sulfur dioxide (SO2) concentration in Calimesa, California is 0.284 ppb.
Calimesa, California currently has an ozone (O3) concentration of 39.599 ppm.
The current level of nitrogen dioxide (NO2) in Calimesa, California is 4.53 ppb.
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