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
15,280
Beijing - 2023-06-16 12AM - PM2.5 - 53.1 UG/M3
4
4
9,260
Beijing - 2023-06-15 11PM - PM2.5 - 150 AQI - Unhealthy for Sensitive Groups
2
4
8,160
Beijing - 2023-06-15 11PM - PM2.5 - 55.3 UG/M3
1
1
6,358
Beijing - 2023-06-15 10PM - PM2.5 - 138 AQI - Unhealthy for Sensitive Groups
1
4,937
Beijing - 2023-06-15 10PM - PM2.5 - 50.7 UG/M3
2,963
Beijing - 2023-06-15 9PM - PM2.5 - 106 AQI - Unhealthy for Sensitive Groups
2,777
Beijing - 2023-06-15 9PM - PM2.5 - 37.4 UG/M3
2,592
Beijing - 2023-06-15 8PM - PM2.5 - 96 AQI - Moderate
2,383
Beijing - 2023-06-15 8PM - PM2.5 - 33.5 UG/M3
2,136
Beijing - 2023-06-15 7PM - PM2.5 - 95 AQI - Moderate
1,958
Beijing - 2023-06-15 7PM - PM2.5 - 33.2 UG/M3
1,812
Beijing - 2023-06-15 6PM - PM2.5 - 89 AQI - Moderate
1,655
Beijing - 2023-06-15 6PM - PM2.5 - 30.2 UG/M3
1,539
Beijing - 2023-06-15 5PM - PM2.5 - 81 AQI - Moderate
1
1,456
Beijing - 2023-06-15 5PM - PM2.5 - 26.3 UG/M3
1
1,420
Beijing - 2023-06-15 4PM - PM2.5 - 81 AQI - Moderate
1
1,343
Beijing - 2023-06-15 4PM - PM2.5 - 26.4 UG/M3
1
1,304
Beijing - 2023-06-15 3PM - PM2.5 - 83 AQI - Moderate
1
1,243
Beijing - 2023-06-15 3PM - PM2.5 - 27.1 UG/M3
1
1,234