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)
77
Moderate
Calimesa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.53 μg/m³
0
55
155
255
425
605+
62.70 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
4.48 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Calimesa, California
Calimesa, California
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AQI 77
Moderate
7.12μg/m³
PM2.5
31.21μg/m³
PM10
62.84ppb
O3
0.67ppb
SO2
4.62ppb
NO2
0.28ppm
CO
AQI 64
Moderate
5.98μg/m³
PM2.5
30.85μg/m³
PM10
58.81ppb
O3
0.62ppb
SO2
2.06ppb
NO2
0.28ppm
CO
AQI 80
Moderate
8.46μg/m³
PM2.5
35.27μg/m³
PM10
63.98ppb
O3
0.71ppb
SO2
5.59ppb
NO2
0.27ppm
CO
AQI 61
Moderate
8.47μg/m³
PM2.5
31.06μg/m³
PM10
58.00ppb
O3
0.71ppb
SO2
4.96ppb
NO2
0.27ppm
CO
AQI 80
Moderate
8.07μg/m³
PM2.5
35.50μg/m³
PM10
64.08ppb
O3
0.70ppb
SO2
6.15ppb
NO2
0.27ppm
CO
AQI 77
Moderate
8.16μg/m³
PM2.5
36.17μg/m³
PM10
63.45ppb
O3
0.70ppb
SO2
6.50ppb
NO2
0.26ppm
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 02:00:00, 2026-04-24.
The best air quality in Calimesa, California was observed at 01:00:00 on 2026-04-23.
The air quality in Calimesa, California right now is Moderate, with an AQI of 77.
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 6.886 μg/m3.
Calimesa, California currently has a PM10 concentration of 30.53 μg/m3.
The current carbon monoxide (CO) level in Calimesa, California is 0.276 ppm.
The current sulfur dioxide (SO2) concentration in Calimesa, California is 0.667 ppb.
Calimesa, California currently has an ozone (O3) concentration of 62.7 ppm.
The current level of nitrogen dioxide (NO2) in Calimesa, California is 4.476 ppb.
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