ID: 7874

AQSQID: 840460130004

Site Name: Aberdeen Bus Stop

Added: April 21, 2020, 6:24 p.m.

Updated: April 13, 2021, 2:43 a.m.

Location: Aberdeen (Melrose Addition), SD

Reporting: True, Located: True

Current AQI: 26.0

Aberdeen (Melrose Addition) SD, US: 45.468596, -98.494061

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.1 μg/m3 (26) 26.0
 
April 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 5.6 μg/m3 (24) 24.0
 
April 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
April 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.6 μg/m3 (24) 24.0
 
April 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 1.6 μg/m3 (7) 7.0
 
April 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.5 μg/m3 (0) 5.0
 
April 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.2 μg/m3 (5) 14.0
 
April 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 4.1 μg/m3 (18) 18.0
 
April 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 2.9 μg/m3 (13) 13.0
 
April 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
April 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (3) 2.6 μg/m3 (11) 11.0
 
April 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 3.9 μg/m3 (17) 17.0
 
April 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 0.4 μg/m3 (2) 5.0
 
April 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.5 μg/m3 (0) 4.0
 
April 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 1.1 μg/m3 (5) 6.0
 
April 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) 0.9 μg/m3 (4) 8.0
 
April 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 0.9 μg/m3 (4) 4.0
 
April 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 4.1 μg/m3 (18) 18.0
 
April 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) 5.4 μg/m3 (23) 23.0
 
April 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) 1.7 μg/m3 (8) 8.0
 
April 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (5) -0.9 μg/m3 (0) 5.0
 
April 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
April 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
April 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 2.1 μg/m3 (9) 9.0
 
April 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 2.1 μg/m3 (9) 9.0
 
April 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 0.9 μg/m3 (4) 10.0
 
April 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 3.1 μg/m3 (13) 14.0
 
April 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (25) 4.1 μg/m3 (18) 25.0
 
April 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 3.1 μg/m3 (13) 26.0
 
April 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) -0.2 μg/m3 (0) 11.0
 
April 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.9 μg/m3 (17) 0.2 μg/m3 (1) 17.0
 
April 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 2.4 μg/m3 (10) 12.0
 
April 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 2.4 μg/m3 (10) 10.0
 
April 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 4.9 μg/m3 (21) 21.0
 
April 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (11) 8.6 μg/m3 (36) 36.0
 
April 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
April 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.6 μg/m3 (20) 20.0
 
April 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 2.2 μg/m3 (10) 10.0
 
April 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 1.6 μg/m3 (7) 10.0
 
April 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 1.9 μg/m3 (8) 9.0
 
April 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.9 μg/m3 (21) 21.0
 
April 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
April 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (12) 3.9 μg/m3 (17) 17.0
 
April 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (17) 4.6 μg/m3 (20) 20.0
 
April 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 3.1 μg/m3 (13) 21.0
 
April 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 1.2 μg/m3 (5) 16.0
 
April 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 0.6 μg/m3 (3) 18.0
 
April 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (23) 2.9 μg/m3 (13) 23.0
 
April 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
April 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (12) 4.3 μg/m3 (18) 18.0
 
April 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 0.6 μg/m3 (3) 6.0
 
April 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) -1.2 μg/m3 (0) 8.0
 
April 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) 1.2 μg/m3 (5) 12.0
 
April 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) 1.4 μg/m3 (6) 7.0
 
April 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) -2.4 μg/m3 (0) 9.0
 
April 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) -0.2 μg/m3 (0) 7.0
 
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (15) 0.7 μg/m3 (3) 15.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 1.9 μg/m3 (8) 20.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 3.6 μg/m3 (16) 17.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) 2.6 μg/m3 (11) 14.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 1.6 μg/m3 (7) 11.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 2.7 μg/m3 (12) 12.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) 2.6 μg/m3 (11) 11.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 3.4 μg/m3 (15) 15.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 4.6 μg/m3 (20) 20.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 4.6 μg/m3 (20) 20.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) 4.3 μg/m3 (18) 18.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 5.1 μg/m3 (22) 22.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 4.3 μg/m3 (18) 18.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 0.4 μg/m3 (2) 25.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 1.9 μg/m3 (8) 19.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) 3.4 μg/m3 (15) 20.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (19) 4.4 μg/m3 (19) 19.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (27) 4.6 μg/m3 (20) 27.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (27) 5.6 μg/m3 (24) 27.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) 4.8 μg/m3 (20) 20.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 3.6 μg/m3 (16) 19.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 4.1 μg/m3 (18) 18.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.5 μg/m3 (26) 4.1 μg/m3 (18) 26.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 4.6 μg/m3 (20) 20.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 6.3 μg/m3 (27) 27.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (15) 9.2 μg/m3 (39) 39.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) 3.1 μg/m3 (13) 14.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.1 μg/m3 (9) 9.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 2.1 μg/m3 (9) 9.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (3) 3.4 μg/m3 (15) 15.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (2) 1.1 μg/m3 (5) 5.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 1.4 μg/m3 (6) 7.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 3.1 μg/m3 (13) 13.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 2.6 μg/m3 (11) 11.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 0.4 μg/m3 (2) 6.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 0.6 μg/m3 (3) 8.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) -0.5 μg/m3 (0) 4.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.5 μg/m3 (0) 5.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 0.6 μg/m3 (3) 7.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) 3.1 μg/m3 (13) 13.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) 1.4 μg/m3 (6) 9.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.9 μg/m3 (4) 14.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) -0.7 μg/m3 (0) 12.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (13) -2.7 μg/m3 (0) 13.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 0.2 μg/m3 (1) 7.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 2.9 μg/m3 (13) 13.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) -1.0 μg/m3 (0) 12.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 2.6 μg/m3 (11) 15.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) 5.1 μg/m3 (22) 22.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 3.9 μg/m3 (17) 17.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 2.9 μg/m3 (13) 13.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) 1.9 μg/m3 (8) 9.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 1.9 μg/m3 (8) 8.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.9 μg/m3 (17) 17.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 4.4 μg/m3 (19) 19.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 5.6 μg/m3 (24) 24.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 4.4 μg/m3 (19) 19.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 2.6 μg/m3 (11) 11.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 4.6 μg/m3 (20) 20.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (4) 6.6 μg/m3 (28) 28.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 4.1 μg/m3 (18) 18.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (10) 1.9 μg/m3 (8) 10.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 4.4 μg/m3 (19) 19.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) 5.3 μg/m3 (23) 23.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) 3.6 μg/m3 (16) 16.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 3.6 μg/m3 (16) 16.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (3) 1.9 μg/m3 (8) 8.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (2) 1.1 μg/m3 (5) 5.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (4) 3.8 μg/m3 (16) 16.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 6.3 μg/m3 (27) 27.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 6.1 μg/m3 (26) 26.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (15) 4.6 μg/m3 (20) 20.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 1.6 μg/m3 (7) 20.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 2.9 μg/m3 (13) 13.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) 5.1 μg/m3 (22) 22.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) 6.9 μg/m3 (29) 29.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) 6.1 μg/m3 (26) 26.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 3.9 μg/m3 (17) 17.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 6.4 μg/m3 (27) 27.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 4.1 μg/m3 (18) 18.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) 2.6 μg/m3 (11) 16.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 5.6 μg/m3 (24) 24.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 4.1 μg/m3 (18) 19.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (23) 4.1 μg/m3 (18) 23.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 4.1 μg/m3 (18) 26.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.6 μg/m3 (32) 3.6 μg/m3 (16) 32.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (21) 2.6 μg/m3 (11) 21.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.2 μg/m3 (28) 4.4 μg/m3 (19) 28.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.7 μg/m3 (27) 4.1 μg/m3 (18) 27.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (20) 0.2 μg/m3 (1) 20.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (18) 0.2 μg/m3 (1) 18.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 3.1 μg/m3 (13) 26.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 5.1 μg/m3 (22) 22.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 6.8 μg/m3 (29) 29.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) 1.6 μg/m3 (7) 16.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 3.9 μg/m3 (17) 17.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (15) 2.1 μg/m3 (9) 15.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (25) 2.9 μg/m3 (13) 25.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (24) 5.6 μg/m3 (24) 24.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 9.3 μg/m3 (39) 39.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 3.8 μg/m3 (16) 44.0