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MetOne BAM 1020 and Ecotech EC9810 monitors, measuring PM2.5 and ozone (O3). Please note the change in data format starting December 20, 2019.

Chaoyang District, BEIJING
Joined July 2008
Beijing - 2023-06-16 12AM - PM2.5 - 144 AQI - Unhealthy for Sensitive Groups
18
1
2
12
15,307
Beijing - 2023-06-16 12AM - PM2.5 - 53.1 UG/M3
4
4
9,277
Beijing - 2023-06-15 11PM - PM2.5 - 150 AQI - Unhealthy for Sensitive Groups
2
4
8,174
Beijing - 2023-06-15 11PM - PM2.5 - 55.3 UG/M3
1
1
6,367
Beijing - 2023-06-15 10PM - PM2.5 - 138 AQI - Unhealthy for Sensitive Groups
1
4,944
Beijing - 2023-06-15 10PM - PM2.5 - 50.7 UG/M3
2,965
Beijing - 2023-06-15 9PM - PM2.5 - 106 AQI - Unhealthy for Sensitive Groups
2,779
Beijing - 2023-06-15 9PM - PM2.5 - 37.4 UG/M3
2,594
Beijing - 2023-06-15 8PM - PM2.5 - 96 AQI - Moderate
2,385
Beijing - 2023-06-15 8PM - PM2.5 - 33.5 UG/M3
2,138
Beijing - 2023-06-15 7PM - PM2.5 - 95 AQI - Moderate
1,960
Beijing - 2023-06-15 7PM - PM2.5 - 33.2 UG/M3
1,814
Beijing - 2023-06-15 6PM - PM2.5 - 89 AQI - Moderate
1,657
Beijing - 2023-06-15 6PM - PM2.5 - 30.2 UG/M3
1,541
Beijing - 2023-06-15 5PM - PM2.5 - 81 AQI - Moderate
1
1,458
Beijing - 2023-06-15 5PM - PM2.5 - 26.3 UG/M3
1
1,422
Beijing - 2023-06-15 4PM - PM2.5 - 81 AQI - Moderate
1
1,345
Beijing - 2023-06-15 4PM - PM2.5 - 26.4 UG/M3
1
1,305
Beijing - 2023-06-15 3PM - PM2.5 - 83 AQI - Moderate
1
1,244
Beijing - 2023-06-15 3PM - PM2.5 - 27.1 UG/M3
1
1,235