18:40:10 timestamp 2025-04-03. . No of hourly records used : 334
micro grid : Open Weather curve chart from MySQL table

Air Quality Index, Carbon monoxide (CO), Nitrogen monoxide (NO), Nitrogen dioxide (NO2), Ozone (O3), Sulphur dioxide (SO2), Ammonia (NH3), and particulates (PM2.5 and PM10).

Time aqi co no no2 o3 so2 pm2_5 pm10 nh3
2025-04-03 20:30:17 3 440.6 21.91 130.24 0.03 44.35 15.69 19.84 1.22
2025-04-03 19:30:19 3 473.98 28.16 137.09 0 53.88 16.96 21.98 1.57
2025-04-03 18:30:19 3 453.95 21.01 127.49 1 55.31 16.18 21.02 1.71
2025-04-03 17:30:16 3 413.9 13.41 115.16 8.76 53.41 14.21 18.43 1.76
2025-04-03 16:30:19 3 387.19 12.74 106.93 16.09 52.93 13.24 17.57 1.69
2025-04-03 15:30:17 3 387.19 23.02 113.79 14.84 57.7 14.15 19.2 1.76
2025-04-03 14:30:17 3 383.85 34.87 119.27 14.13 64.85 15.32 20.81 1.79
2025-04-03 13:30:17 3 377.18 38.45 115.16 15.74 67.71 16.59 22.55 1.6
2025-04-03 12:30:16 3 380.52 36.66 98.71 27.18 63.9 18.16 24.56 1.38
2025-04-03 11:30:18 3 367.17 29.5 74.71 45.06 51.98 16.69 23 1.2
2025-04-03 10:30:18 2 377.18 32.19 63.06 47.21 45.78 13.82 20.78 1.39
2025-04-03 09:30:18 2 453.95 57.22 59.63 24.32 37.19 9.32 16.28 1.58
2025-04-03 08:30:18 2 390.53 35.76 56.21 23.25 28.13 6.68 12.24 1.17
2025-04-03 07:30:18 2 333.79 11.96 58.26 20.74 19.31 5.52 10.04 0.78
2025-04-03 06:30:20 2 297.07 0.24 52.09 30.04 12.52 4.63 8.44 0.67
2025-04-03 05:30:19 2 287.06 0.01 40.44 44.35 11.33 4 7.43 0.78

Umegaoka weather station API (= Application Programming Interface) provided by openweathermap.org.


air quality index - pollutant concentration in μg/m3
NO2 PM10 O3 PM25 (optional)
Good 1 0-50 0-25 0-60 0-15
Fair 2 50-100 25-50 60-120 15-30
Moderate 3 100-200 50-90 120-180 30-55
Poor 4 200-400 90-180 180-240 55-110
Very Poor 5 >400 >180 >240 >110