Air Quality – El Dorado Weather
Placerville, CA | Elevation 1,705 ft | EDW AQI Sensor
PM2.5 NowCast: 6.0 µg/m³ |
PM10 NowCast: 6.4 µg/m³
PM2.5 Particulates
Current AQI5.2
NowCast6.0 µg/m³
1-Hour Mean6.1 µg/m³
24-Hour Mean3.2 µg/m³
1-Hour Max7.3 µg/m³
24-Hour Max22.6 µg/m³
PM10 Particulates
Current AQI5.4
NowCast6.4 µg/m³
1-Hour Mean6.5 µg/m³
24-Hour Mean3.8 µg/m³
1-Hour Max7.8 µg/m³
24-Hour Max43.6 µg/m³
Data Coverage
NowCast Coverage100.0%
Overall AQI21.8
DescriptionGood
StationEl Dorado Weather
Elevation1,705 ft
PM1 Particulates
Current AQI4.4
Overall AQI21.8
DescriptionGood
Raw Sensor Data
{
"data": {
"source": "testtags.php",
"station": "El Dorado Weather",
"timestamp": "1785567481",
"conditions": [
{
"aqi": 21.800000000000000710542735760100185871124267578125,
"aqi_description": "Good",
"pm_1_aqi": "4.4",
"pm_2p5_aqi": "5.2",
"pm_10": "5.4",
"pm_2p5_nowcast": "6.0",
"pm_10_nowcast": "6.4",
"pm_2p5_last_1_hour": "6.1",
"pm_2p5_last_24_hours": "3.2",
"pm_2p5_1hr_max": "7.3",
"pm_2p5_24hr_max": "22.6",
"pm_10_last_1_hour": "6.5",
"pm_10_last_24_hours": "3.8",
"pm_10_1hr_max": "7.8",
"pm_10_24hr_max": "43.6",
"pct_pm_data_nowcast": "100.0",
"last_report_time": "1785567481"
}
]
},
"error": null
}
aqi = 21.8
aqi_description = Good
pm1_aqi = 4.4
pm2_5_aqi = 5.2
pm10 = 5.4
nowcast_pm2_5 = 6.0
nowcast_pm10 = 6.4
pm2_5_1hr_mean = 6.1
pm2_5_24hr_mean = 3.2
pm2_5_1hr_max = 7.3
pm2_5_24hr_max = 22.6
pm10_1hr_mean = 6.5
pm10_24hr_mean = 3.8
pm10_1hr_max = 7.8
pm10_24hr_max = 43.6
pct_pm_data_nowcast = 100.0
timestamp = July 31, 2026, 11:58:50 PM PDT
Detailed Readings
PM1 AQI: 4.4
PM2.5 AQI: 5.2
PM10: 5.4
PM2.5 NowCast: 6.0 µg/m³
PM2.5 1-hour avg: 6.1 µg/m³
PM2.5 24-hour avg: 3.2 µg/m³
PM10 NowCast: 6.4 µg/m³
PM10 1-hour avg: 6.5 µg/m³
PM10 24-hour avg: 3.8 µg/m³
AQI: 21.8
AQI Reference Guide
| Category | AQI Range | PM2.5 (µg/m³) | Health Guidance |
| Good | 0–50 | 0.0–12.0 | Air quality is satisfactory |
| Moderate | 51–100 | 12.1–35.4 | Acceptable; some pollutants may concern sensitive people |
| Unhealthy for Sensitive Groups | 101–150 | 35.5–55.4 | Sensitive groups may experience health effects |
| Unhealthy | 151–200 | 55.5–150.4 | Everyone may begin to experience health effects |
| Very Unhealthy | 201–300 | 150.5–250.4 | Health alert – everyone may experience serious effects |
| Hazardous | 301+ | 250.5+ | Emergency conditions – entire population affected |
Last updated: July 31, 2026, 11:58:50 PM PDT | Auto-refreshes every 60 seconds