ID: 7874

AQSQID: 840460130004

Site Name: Aberdeen Bus Stop

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

Updated: May 13, 2021, 11:46 a.m.

Location: Aberdeen (Melrose Addition), SD

Reporting: True, Located: True

Current AQI: 24.0

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
May 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.7 μg/m3 (24) 4.9 μg/m3 (21) 24.0
 
May 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.6 μg/m3 (31) 6.9 μg/m3 (29) 31.0
 
May 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.1 μg/m3 (31) 7.9 μg/m3 (33) 33.0
 
May 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.5 μg/m3 (35) 8.3 μg/m3 (35) 35.0
 
May 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.2 μg/m3 (36) 7.1 μg/m3 (30) 36.0
 
May 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.6 μg/m3 (46) 8.0 μg/m3 (34) 46.0
 
May 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.7 μg/m3 (70) 10.3 μg/m3 (43) 70.0
 
May 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.6 μg/m3 (50) 11.8 μg/m3 (50) 50.0
 
May 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.2 μg/m3 (47) 10.8 μg/m3 (46) 47.0
 
May 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 42.6 μg/m3 (40) 3.9 μg/m3 (17) 40.0
 
May 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.3 μg/m3 (58) 4.1 μg/m3 (18) 58.0
 
May 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.6 μg/m3 (60) 7.0 μg/m3 (30) 60.0
 
May 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 84.8 μg/m3 (66) 3.9 μg/m3 (17) 66.0
 
May 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 96.3 μg/m3 (72) 3.1 μg/m3 (13) 72.0
 
May 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.1 μg/m3 (56) 5.9 μg/m3 (25) 56.0
 
May 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.6 μg/m3 (57) 8.0 μg/m3 (34) 57.0
 
May 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 96.0 μg/m3 (72) 6.3 μg/m3 (27) 72.0
 
May 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.7 μg/m3 (54) 6.8 μg/m3 (29) 54.0
 
May 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.6 μg/m3 (46) 8.6 μg/m3 (36) 46.0
 
May 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.3 μg/m3 (56) 8.4 μg/m3 (36) 56.0
 
May 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 8.8 μg/m3 (37) 53.0
 
May 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 39.4 μg/m3 (37) 5.1 μg/m3 (22) 37.0
 
May 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.3 μg/m3 (46) 6.4 μg/m3 (27) 46.0
 
May 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.7 μg/m3 (34) 7.6 μg/m3 (32) 34.0
 
May 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.2 μg/m3 (27) 8.6 μg/m3 (36) 36.0
 
May 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 5.6 μg/m3 (24) 25.0
 
May 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 5.8 μg/m3 (25) 34.0
 
May 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.7 μg/m3 (41) 6.4 μg/m3 (27) 41.0
 
May 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.3 μg/m3 (49) 5.1 μg/m3 (22) 49.0
 
May 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.4 μg/m3 (59) 8.6 μg/m3 (36) 59.0
 
May 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.4 μg/m3 (56) 9.0 μg/m3 (38) 56.0
 
May 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.2 μg/m3 (66) 7.8 μg/m3 (33) 66.0
 
May 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.1 μg/m3 (29) 8.8 μg/m3 (37) 37.0
 
May 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 58.7 μg/m3 (53) 6.0 μg/m3 (25) 53.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 7.5 μg/m3 (32) 37.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (25) 0.6 μg/m3 (3) 25.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.8 μg/m3 (31) 1.9 μg/m3 (8) 31.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (24) 4.6 μg/m3 (20) 24.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.3 μg/m3 (34) 6.1 μg/m3 (26) 34.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) 1.7 μg/m3 (8) 20.0
 
May 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.1 μg/m3 (30) 1.1 μg/m3 (5) 30.0
 
May 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 2.6 μg/m3 (11) 33.0
 
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.2 μg/m3 (53) 4.6 μg/m3 (20) 53.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.2 μg/m3 (66) 8.4 μg/m3 (36) 66.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.9 μg/m3 (59) 11.0 μg/m3 (46) 59.0
 
May 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (22) 13.2 μg/m3 (54) 54.0
 
May 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.6 μg/m3 (27) 7.9 μg/m3 (33) 33.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.2 μg/m3 (23) 6.4 μg/m3 (27) 27.0
 
May 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 4.4 μg/m3 (19) 29.0
 
May 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 5.1 μg/m3 (22) 30.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.9 μg/m3 (44) 6.3 μg/m3 (27) 44.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.1 μg/m3 (46) 11.7 μg/m3 (49) 49.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.9 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
May 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.7 μg/m3 (36) 7.9 μg/m3 (33) 36.0
 
May 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 10.8 μg/m3 (46) 46.0
 
May 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.1 μg/m3 (23) 3.4 μg/m3 (15) 23.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 1.9 μg/m3 (8) 14.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 3.6 μg/m3 (16) 21.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (18) 2.6 μg/m3 (11) 18.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (19) 1.4 μg/m3 (6) 19.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 5.6 μg/m3 (24) 24.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 3.2 μg/m3 (14) 14.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (9) 2.6 μg/m3 (11) 11.0
 
May 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 0.4 μg/m3 (2) 8.0
 
May 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.4 μg/m3 (2) 9.0
 
May 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) 7.1 μg/m3 (30) 30.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) 4.4 μg/m3 (19) 19.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (10) 3.6 μg/m3 (16) 16.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 2.6 μg/m3 (11) 11.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 3.6 μg/m3 (16) 16.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (20) 4.3 μg/m3 (18) 20.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.8 μg/m3 (22) 7.3 μg/m3 (31) 31.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (25) 7.3 μg/m3 (31) 31.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.4 μg/m3 (31) 8.5 μg/m3 (36) 36.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.1 μg/m3 (28) 13.9 μg/m3 (55) 55.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (25) 18.1 μg/m3 (64) 64.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) 17.4 μg/m3 (63) 63.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) 3.9 μg/m3 (17) 17.0
 
May 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) -0.2 μg/m3 (0) 9.0
 
May 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 0.9 μg/m3 (4) 9.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (11) 0.9 μg/m3 (4) 11.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.7 μg/m3 (3) 9.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) -1.5 μg/m3 (0) 11.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 1.6 μg/m3 (7) 7.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 4.9 μg/m3 (21) 21.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 0.2 μg/m3 (1) 5.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) -0.2 μg/m3 (0) 7.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (5) 1.6 μg/m3 (7) 7.0
 
May 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (5) 3.6 μg/m3 (16) 16.0
 
May 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 4.8 μg/m3 (20) 20.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (7) 2.9 μg/m3 (13) 13.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (7) 3.4 μg/m3 (15) 15.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 3.9 μg/m3 (17) 17.0
 
May 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 5.1 μg/m3 (22) 22.0
 
May 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) 3.6 μg/m3 (16) 16.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
May 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (5) 4.6 μg/m3 (20) 20.0
 
May 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 2.9 μg/m3 (13) 13.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 1.4 μg/m3 (6) 8.0
 
May 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 2.1 μg/m3 (9) 12.0
 
May 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 2.4 μg/m3 (10) 13.0
 
May 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (25) 3.6 μg/m3 (16) 25.0
 
May 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (17) 4.1 μg/m3 (18) 18.0
 
May 8, 2021, 3 p.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
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (23) 4.4 μg/m3 (19) 23.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) 2.4 μg/m3 (10) 20.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (12) 1.4 μg/m3 (6) 12.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.9 μg/m3 (13) 17.0
 
May 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) 4.4 μg/m3 (19) 19.0
 
May 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 1.2 μg/m3 (5) 20.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.4 μg/m3 (19) 0.4 μg/m3 (2) 19.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 3.6 μg/m3 (16) 29.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (24) 3.9 μg/m3 (17) 24.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 5.9 μg/m3 (25) 34.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.9 μg/m3 (32) 4.9 μg/m3 (21) 32.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.5 μg/m3 (35) 3.4 μg/m3 (15) 35.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.6 μg/m3 (32) 4.1 μg/m3 (18) 32.0
 
May 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 1.4 μg/m3 (6) 18.0
 
May 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) 2.1 μg/m3 (9) 20.0
 
May 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 2.4 μg/m3 (10) 20.0
 
May 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) -0.7 μg/m3 (0) 13.0
 
May 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) -0.7 μg/m3 (0) 14.0
 
May 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (14) -0.9 μg/m3 (0) 14.0
 
May 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) -0.5 μg/m3 (0) 5.0
 
May 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (15) -0.7 μg/m3 (0) 15.0
 
May 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) -0.7 μg/m3 (0) 12.0
 
May 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) -0.7 μg/m3 (0) 14.0
 
May 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (10) 0.2 μg/m3 (1) 10.0
 
May 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 2.2 μg/m3 (10) 15.0
 
May 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 1.7 μg/m3 (8) 18.0
 
May 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 2.9 μg/m3 (13) 21.0
 
May 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (24) 5.6 μg/m3 (24) 24.0
 
May 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (24) 4.4 μg/m3 (19) 24.0
 
May 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.3 μg/m3 (29) 5.4 μg/m3 (23) 29.0
 
May 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (21) 3.9 μg/m3 (17) 21.0
 
May 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.2 μg/m3 (27) 5.9 μg/m3 (25) 27.0
 
May 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (29) 6.9 μg/m3 (29) 29.0
 
May 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.9 μg/m3 (37) 6.1 μg/m3 (26) 37.0
 
May 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.1 μg/m3 (54) 7.4 μg/m3 (31) 54.0
 
May 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.3 μg/m3 (58) 5.4 μg/m3 (23) 58.0
 
May 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 6.5 μg/m3 (28) 28.0
 
May 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) 6.3 μg/m3 (27) 27.0
 
May 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (23) 2.4 μg/m3 (10) 23.0
 
May 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.5 μg/m3 (26) 3.9 μg/m3 (17) 26.0
 
May 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.2 μg/m3 (43) 2.7 μg/m3 (12) 43.0
 
May 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) 3.2 μg/m3 (14) 23.0
 
May 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (22) 1.6 μg/m3 (7) 22.0
 
May 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (14) -0.2 μg/m3 (0) 14.0
 
May 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 0.4 μg/m3 (2) 17.0
 
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 1.4 μg/m3 (6) 15.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.4 μg/m3 (10) 10.0
 
May 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.4 μg/m3 (15) 15.0
 
May 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) 4.1 μg/m3 (18) 18.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 3.4 μg/m3 (15) 15.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0