ID: 2167

AQSQID: 461270001

Site Name: Uc1

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

Updated: June 23, 2021, 5:53 p.m.

Location: Elk Point (475th Ave), SD

Reporting: True, Located: True

Current AQI: 48.0

Elk Point (475th Ave) SD, US: 42.751518, -96.707208

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 43.0 μg/m3 (40) 6.5 μg/m3 (28) 48.0
 
June 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 39.0 μg/m3 (37) 5.0 μg/m3 (21) 40.0
 
June 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 26.0 μg/m3 (25) 4.8 μg/m3 (20) 32.0
 
June 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 25.0 μg/m3 (24) 5.8 μg/m3 (25) 25.0
 
June 23, 2021, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 14.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
June 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 18.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
June 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 9.0 μg/m3 (9) 7.9 μg/m3 (33) 33.0
 
June 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
June 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 6.8 μg/m3 (29) 29.0
 
June 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 12.0 μg/m3 (12) 3.4 μg/m3 (15) 26.0
 
June 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 14.0 μg/m3 (13) 5.1 μg/m3 (22) 26.0
 
June 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 10.4 μg/m3 (44) 44.0
 
June 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 7.9 μg/m3 (33) 37.0
 
June 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (27) 38.0
 
June 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 24.0 μg/m3 (23) 6.7 μg/m3 (28) 41.0
 
June 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 3.8 μg/m3 (16) 45.0
 
June 23, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 34.0 μg/m3 (32) 4.8 μg/m3 (20) 49.0
 
June 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 39.0 μg/m3 (37) 8.1 μg/m3 (34) 65.0
 
June 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 43.0 μg/m3 (40) 3.3 μg/m3 (14) 68.0
 
June 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 28.0 μg/m3 (26) 3.3 μg/m3 (14) 65.0
 
June 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 39.0 μg/m3 (37) 5.0 μg/m3 (21) 58.0
 
June 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 43.0 μg/m3 (40) 6.2 μg/m3 (26) 50.0
 
June 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 45.0 μg/m3 (42) 3.8 μg/m3 (16) 48.0
 
June 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 54.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
June 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 44.0 μg/m3 (41) 6.7 μg/m3 (28) 41.0
 
June 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 46.0 μg/m3 (43) 3.6 μg/m3 (16) 43.0
 
June 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 46.0 μg/m3 (43) 6.5 μg/m3 (28) 43.0
 
June 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 40.0 μg/m3 (38) 8.2 μg/m3 (35) 38.0
 
June 22, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 30.0 μg/m3 (28) 6.2 μg/m3 (26) 28.0
 
June 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 26.0 μg/m3 (25) 9.1 μg/m3 (38) 38.0
 
June 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 19.0 μg/m3 (18) 6.5 μg/m3 (28) 28.0
 
June 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 27.0 μg/m3 (25) 6.7 μg/m3 (28) 28.0
 
June 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
June 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 20.0 μg/m3 (19) 5.3 μg/m3 (23) 23.0
 
June 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 31.0 μg/m3 (29) 7.6 μg/m3 (32) 32.0
 
June 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 24.0 μg/m3 (23) 6.7 μg/m3 (28) 28.0
 
June 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 22.0 μg/m3 (21) 8.1 μg/m3 (34) 34.0
 
June 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 66.0 μg/m3 (57) 12.6 μg/m3 (53) 57.0
 
June 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 21.0 μg/m3 (20) 9.2 μg/m3 (39) 39.0
 
June 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 21.2 μg/m3 (71) 71.0
 
June 22, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.0 μg/m3 (15) 1.9 μg/m3 (8) 37.0
 
June 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 24.0 μg/m3 (23) 1.6 μg/m3 (7) 38.0
 
June 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 40.0 μg/m3 (38) 5.8 μg/m3 (25) 38.0
 
June 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 71.0 μg/m3 (59) 9.1 μg/m3 (38) 59.0
 
June 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 67.0 μg/m3 (57) 6.3 μg/m3 (27) 57.0
 
June 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 70.0 μg/m3 (59) 8.9 μg/m3 (38) 59.0
 
June 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 22.0 μg/m3 (21) 3.1 μg/m3 (13) 35.0
 
June 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 24.0 μg/m3 (23) 3.8 μg/m3 (16) 34.0
 
June 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 46.0 μg/m3 (43) 5.3 μg/m3 (23) 43.0
 
June 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 25.0 μg/m3 (24) 2.6 μg/m3 (11) 29.0
 
June 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 26.0 μg/m3 (25) 4.8 μg/m3 (20) 26.0
 
June 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (18) 23.0
 
June 21, 2021, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 12.0 μg/m3 (12) 3.1 μg/m3 (13) 16.0
 
June 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 19.0 μg/m3 (18) 2.6 μg/m3 (11) 18.0
 
June 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 2.0 μg/m3 (2) 1.6 μg/m3 (7) 17.0
 
June 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 18.0
 
June 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 9.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
June 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 5.0 μg/m3 (5) 6.7 μg/m3 (28) 28.0
 
June 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 0.0 μg/m3 (0) 3.1 μg/m3 (13) 25.0
 
June 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 27.0
 
June 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 1.9 μg/m3 (8) 30.0
 
June 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 20.0 μg/m3 (19) 0.0 μg/m3 (0) 34.0
 
June 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 21.0 μg/m3 (20) 1.1 μg/m3 (5) 39.0
 
June 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 15.0 μg/m3 (14) 2.9 μg/m3 (13) 43.0
 
June 21, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 25.0 μg/m3 (24) 3.1 μg/m3 (13) 45.0
 
June 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 44.0 μg/m3 (41) 2.4 μg/m3 (10) 43.0
 
June 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 22.7 μg/m3 (74) 74.0
 
June 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 54.0 μg/m3 (50) 5.5 μg/m3 (23) 50.0
 
June 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 34.0 μg/m3 (32) 6.7 μg/m3 (28) 38.0
 
June 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 41.0 μg/m3 (38) 5.8 μg/m3 (25) 38.0
 
June 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 40.0 μg/m3 (38) 8.4 μg/m3 (36) 50.0
 
June 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 24.0 μg/m3 (23) 10.4 μg/m3 (44) 48.0
 
June 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 18.0 μg/m3 (17) 6.5 μg/m3 (28) 43.0
 
June 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 25.0 μg/m3 (24) 5.3 μg/m3 (23) 42.0
 
June 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 18.0 μg/m3 (17) 3.9 μg/m3 (17) 40.0
 
June 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 14.0 μg/m3 (13) 2.4 μg/m3 (10) 40.0
 
June 20, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 1.2 μg/m3 (5) 37.0
 
June 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 15.0 μg/m3 (14) 1.6 μg/m3 (7) 35.0
 
June 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 28.0 μg/m3 (26) 3.6 μg/m3 (16) 36.0
 
June 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 30.0 μg/m3 (28) 5.1 μg/m3 (22) 43.0
 
June 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 27.0 μg/m3 (25) 4.8 μg/m3 (20) 28.0
 
June 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 24.0 μg/m3 (23) 2.6 μg/m3 (11) 26.0
 
June 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 27.0 μg/m3 (25) 4.4 μg/m3 (19) 25.0
 
June 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 25.0 μg/m3 (24) 5.8 μg/m3 (25) 25.0
 
June 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 26.0
 
June 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 29.0 μg/m3 (27) 6.5 μg/m3 (28) 28.0
 
June 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 69.0 μg/m3 (58) 3.3 μg/m3 (14) 58.0
 
June 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 21.0 μg/m3 (20) 1.1 μg/m3 (5) 33.0
 
June 20, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 31.0 μg/m3 (29) 4.3 μg/m3 (18) 37.0
 
June 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 53.0 μg/m3 (50) 6.7 μg/m3 (28) 50.0
 
June 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 20.0 μg/m3 (19) 2.6 μg/m3 (11) 42.0
 
June 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 49.0 μg/m3 (46) 2.8 μg/m3 (12) 46.0
 
June 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 28.0 μg/m3 (26) 1.8 μg/m3 (8) 40.0
 
June 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 18.0 μg/m3 (17) 2.1 μg/m3 (9) 38.0
 
June 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 34.0 μg/m3 (32) 2.6 μg/m3 (11) 37.0
 
June 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 10.0 μg/m3 (10) 2.4 μg/m3 (10) 34.0
 
June 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 20.0 μg/m3 (19) 2.8 μg/m3 (12) 32.0
 
June 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 21.0 μg/m3 (20) 3.6 μg/m3 (16) 30.0
 
June 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 27.0 μg/m3 (25) 4.1 μg/m3 (18) 27.0
 
June 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 20.0 μg/m3 (19) 1.9 μg/m3 (8) 25.0
 
June 19, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 41.0 μg/m3 (38) 4.8 μg/m3 (20) 38.0
 
June 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
June 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 62.0 μg/m3 (55) 7.2 μg/m3 (31) 55.0
 
June 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 28.0 μg/m3 (26) 0.7 μg/m3 (3) 27.0
 
June 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 47.0 μg/m3 (44) 3.4 μg/m3 (15) 44.0
 
June 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 71.0 μg/m3 (59) 6.7 μg/m3 (28) 59.0
 
June 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 63.0 μg/m3 (55) 8.6 μg/m3 (36) 55.0
 
June 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 48.0 μg/m3 (45) 9.9 μg/m3 (42) 45.0
 
June 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 67.0 μg/m3 (57) 13.8 μg/m3 (55) 57.0
 
June 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 51.0 μg/m3 (48) 12.6 μg/m3 (53) 53.0
 
June 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 69.0 μg/m3 (58) 7.2 μg/m3 (31) 58.0
 
June 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 43.0 μg/m3 (40) 7.4 μg/m3 (31) 40.0
 
June 19, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 20.0 μg/m3 (19) 4.6 μg/m3 (20) 38.0
 
June 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 20.0 μg/m3 (19) 2.8 μg/m3 (12) 48.0
 
June 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 20.0 μg/m3 (19) 5.5 μg/m3 (23) 61.0
 
June 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 75.0 μg/m3 (61) 10.4 μg/m3 (44) 71.0
 
June 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 29.0 μg/m3 (27) 9.1 μg/m3 (38) 84.0
 
June 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 48.0 μg/m3 (45) 7.4 μg/m3 (31) 87.0
 
June 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 40.0 μg/m3 (38) 5.0 μg/m3 (21) 68.0
 
June 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 42.0 μg/m3 (39) 6.0 μg/m3 (25) 55.0
 
June 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 37.0 μg/m3 (35) 11.1 μg/m3 (47) 51.0
 
June 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 60.0 μg/m3 (54) 9.9 μg/m3 (42) 54.0
 
June 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 39.0 μg/m3 (37) 6.5 μg/m3 (28) 38.0
 
June 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 34.0 μg/m3 (32) 5.8 μg/m3 (25) 32.0
 
June 18, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 50.0 μg/m3 (47) 6.5 μg/m3 (28) 47.0
 
June 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 61.0 μg/m3 (54) 6.0 μg/m3 (25) 54.0
 
June 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 31.0 μg/m3 (29) 5.1 μg/m3 (22) 33.0
 
June 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 21.0 μg/m3 (20) 4.4 μg/m3 (19) 33.0
 
June 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 19.0 μg/m3 (18) 5.5 μg/m3 (23) 34.0
 
June 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 23.0 μg/m3 (22) 5.1 μg/m3 (22) 32.0
 
June 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 22.0 μg/m3 (21) 1.6 μg/m3 (7) 37.0
 
June 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 30.0 μg/m3 (28) 4.1 μg/m3 (18) 39.0
 
June 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 36.0 μg/m3 (34) 4.6 μg/m3 (20) 44.0
 
June 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 34.0 μg/m3 (32) 5.5 μg/m3 (23) 45.0
 
June 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 51.0 μg/m3 (48) 7.6 μg/m3 (32) 50.0
 
June 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 54.0 μg/m3 (50) 9.1 μg/m3 (38) 74.0
 
June 18, 2021, midnight N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 54.0 μg/m3 (50) 9.1 μg/m3 (38) 81.0
 
June 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 61.0 μg/m3 (54) 10.6 μg/m3 (45) 81.0
 
June 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 91.0 μg/m3 (69) 16.1 μg/m3 (60) 102.0
 
June 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) N/A N/A 14.0 μg/m3 (55) 103.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (104) N/A N/A 18.0 μg/m3 (64) 104.0
 
June 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 69.0 μg/m3 (58) 9.9 μg/m3 (42) 100.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 75.0 μg/m3 (61) 12.1 μg/m3 (51) 101.0
 
June 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 65.0 μg/m3 (56) 12.1 μg/m3 (51) 97.0
 
June 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 59.0 μg/m3 (53) 11.1 μg/m3 (47) 68.0
 
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 50.0 μg/m3 (47) 13.8 μg/m3 (55) 55.0
 
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 62.0 μg/m3 (55) 15.5 μg/m3 (59) 59.0
 
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 46.0 μg/m3 (43) 6.5 μg/m3 (28) 43.0
 
June 17, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 90.0 μg/m3 (69) 17.5 μg/m3 (63) 69.0
 
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 32.0 μg/m3 (30) 9.7 μg/m3 (41) 41.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 35.0 μg/m3 (33) 8.4 μg/m3 (36) 36.0
 
June 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 37.0 μg/m3 (35) 12.6 μg/m3 (53) 53.0
 
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 34.0 μg/m3 (32) 11.4 μg/m3 (48) 48.0
 
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 45.0 μg/m3 (42) 7.9 μg/m3 (33) 50.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 54.0 μg/m3 (50) 10.6 μg/m3 (45) 50.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 50.0 μg/m3 (47) 8.9 μg/m3 (38) 47.0
 
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 75.0 μg/m3 (61) 8.1 μg/m3 (34) 61.0
 
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 71.0 μg/m3 (59) 7.4 μg/m3 (31) 59.0
 
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 62.0 μg/m3 (55) 11.4 μg/m3 (48) 74.0
 
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 81.0 μg/m3 (64) 13.5 μg/m3 (54) 100.0
 
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A 76.0 ppb (104) N/A 68.0 μg/m3 (58) 9.9 μg/m3 (42) 104.0
 
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (105) N/A 76.0 μg/m3 (62) 17.3 μg/m3 (62) 105.0
 
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 80.0 ppb (106) N/A 86.0 μg/m3 (67) 12.1 μg/m3 (51) 106.0
 
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (106) N/A 88.0 μg/m3 (68) 12.8 μg/m3 (53) 106.0
 
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (105) N/A 85.0 μg/m3 (66) 8.9 μg/m3 (38) 105.0
 
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A 79.0 μg/m3 (63) 8.4 μg/m3 (36) 103.0
 
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 77.0 μg/m3 (62) 9.4 μg/m3 (40) 100.0
 
June 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 75.0 μg/m3 (61) 10.4 μg/m3 (44) 84.0