ID: 2167

AQSQID: 461270001

Site Name: Uc1

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

Updated: July 6, 2020, 8:34 p.m.

Location: Elk Point (475th Ave), SD

Reporting: True, Located: True

Current AQI: 55.0

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
July 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 57.0 μg/m3 (51) 14.2 μg/m3 (55) 55.0
 
July 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 50.0 μg/m3 (45) 9.3 μg/m3 (39) 45.0
 
July 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 51.0 μg/m3 (46) 7.6 μg/m3 (32) 46.0
 
July 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 36.0 μg/m3 (33) 2.0 μg/m3 (8) 33.0
 
July 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 34.0 μg/m3 (31) 2.5 μg/m3 (10) 31.0
 
July 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 36.0 μg/m3 (33) 1.1 μg/m3 (5) 33.0
 
July 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 38.0 μg/m3 (35) 2.6 μg/m3 (11) 35.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 49.0 μg/m3 (45) 6.2 μg/m3 (26) 45.0
 
July 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 55.0 μg/m3 (50) 18.3 μg/m3 (63) 63.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 48.0 μg/m3 (44) 15.3 μg/m3 (57) 57.0
 
July 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 52.0 μg/m3 (47) 15.3 μg/m3 (57) 57.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 51.0 μg/m3 (46) 6.5 μg/m3 (27) 46.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 52.0 μg/m3 (47) 15.5 μg/m3 (57) 57.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 54.0 μg/m3 (49) 15.8 μg/m3 (58) 58.0
 
July 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 52.0 μg/m3 (47) 9.9 μg/m3 (41) 47.0
 
July 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 52.0 μg/m3 (47) 8.8 μg/m3 (37) 47.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 47.0 μg/m3 (43) 10.6 μg/m3 (44) 44.0
 
July 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
July 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 40.0 μg/m3 (36) 17.7 μg/m3 (62) 62.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 32.0 μg/m3 (29) 13.9 μg/m3 (54) 54.0
 
July 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 38.0 μg/m3 (35) 11.5 μg/m3 (48) 48.0
 
July 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 56.0 μg/m3 (50) 13.2 μg/m3 (53) 53.0
 
July 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 54.0 μg/m3 (49) 9.8 μg/m3 (41) 49.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 51.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
July 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 48.0 μg/m3 (44) 8.3 μg/m3 (35) 44.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 53.0 μg/m3 (48) 10.5 μg/m3 (44) 48.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 52.0 μg/m3 (47) 12.0 μg/m3 (50) 50.0
 
July 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 48.0 μg/m3 (44) 12.2 μg/m3 (50) 50.0
 
July 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 57.0 μg/m3 (51) 12.0 μg/m3 (50) 51.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 64.0 μg/m3 (54) 17.7 μg/m3 (62) 62.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 78.0 μg/m3 (62) 31.3 μg/m3 (91) 91.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 102.0 μg/m3 (74) 54.1 μg/m3 (146) 146.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 72.0 μg/m3 (58) 30.9 μg/m3 (90) 90.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 66.0 μg/m3 (56) 25.1 μg/m3 (78) 78.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 63.0 μg/m3 (54) 33.1 μg/m3 (95) 95.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 94.0 μg/m3 (70) 57.6 μg/m3 (151) 151.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 55.0 μg/m3 (50) 22.7 μg/m3 (73) 73.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 48.0 μg/m3 (44) 16.8 μg/m3 (60) 60.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 38.0 μg/m3 (35) 11.1 μg/m3 (46) 46.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 42.0 μg/m3 (38) 11.4 μg/m3 (48) 48.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 42.0 μg/m3 (38) 13.8 μg/m3 (54) 54.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 31.0 μg/m3 (28) 6.7 μg/m3 (28) 28.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 44.0 μg/m3 (40) 6.9 μg/m3 (29) 40.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 52.0 μg/m3 (47) 9.0 μg/m3 (38) 47.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 45.0 μg/m3 (41) 7.7 μg/m3 (32) 43.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 41.0 μg/m3 (37) 6.6 μg/m3 (28) 42.0
 
July 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 45.0 μg/m3 (41) 7.1 μg/m3 (30) 42.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 47.0 μg/m3 (43) 8.5 μg/m3 (35) 44.0
 
July 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 49.0 μg/m3 (45) 3.2 μg/m3 (13) 46.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 50.0 μg/m3 (45) 3.5 μg/m3 (15) 46.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 45.0 μg/m3 (41) 4.0 μg/m3 (17) 48.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 35.0 μg/m3 (32) 4.2 μg/m3 (18) 45.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 39.0 μg/m3 (35) 6.1 μg/m3 (25) 35.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 32.0 μg/m3 (29) 9.5 μg/m3 (40) 40.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 34.0 μg/m3 (31) 5.4 μg/m3 (23) 31.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 32.0 μg/m3 (29) 4.8 μg/m3 (20) 29.0
 
July 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 27.0 μg/m3 (25) 4.6 μg/m3 (19) 25.0
 
July 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 27.0 μg/m3 (25) 4.8 μg/m3 (20) 25.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 27.0 μg/m3 (25) 4.6 μg/m3 (19) 25.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 29.0 μg/m3 (26) 0.2 μg/m3 (1) 26.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 26.0 μg/m3 (24) 1.4 μg/m3 (6) 24.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 42.0 μg/m3 (38) 6.5 μg/m3 (27) 38.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 40.0 μg/m3 (36) 0.9 μg/m3 (4) 36.0
 
July 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 43.0 μg/m3 (39) 0.9 μg/m3 (4) 39.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 40.0 μg/m3 (36) -0.3 μg/m3 (0) 36.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 41.0 μg/m3 (37) 0.1 μg/m3 (0) 37.0
 
July 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 15.0 μg/m3 (14) 2.8 μg/m3 (12) 34.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 44.0 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
July 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 35.0 μg/m3 (32) 6.4 μg/m3 (27) 32.0
 
July 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 30.0 μg/m3 (27) 5.7 μg/m3 (24) 38.0
 
July 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 36.0 μg/m3 (33) 2.7 μg/m3 (11) 38.0
 
July 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 39.0 μg/m3 (35) 2.0 μg/m3 (8) 35.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 35.0 μg/m3 (32) 4.0 μg/m3 (17) 35.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 31.0 μg/m3 (28) 3.2 μg/m3 (13) 31.0
 
July 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 47.0 μg/m3 (43) 3.7 μg/m3 (15) 43.0
 
July 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 39.0 μg/m3 (35) 5.9 μg/m3 (25) 35.0
 
July 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 32.0 μg/m3 (29) 3.8 μg/m3 (16) 29.0
 
July 3, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 20.0 μg/m3 (18) 0.0 μg/m3 (0) 18.0
 
July 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 22.0 μg/m3 (20) -1.2 μg/m3 (0) 20.0
 
July 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 29.0 μg/m3 (26) -1.7 μg/m3 (0) 26.0
 
July 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 37.0 μg/m3 (34) 1.4 μg/m3 (6) 34.0
 
July 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 42.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
July 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 46.0 μg/m3 (42) 7.5 μg/m3 (31) 42.0
 
July 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 33.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
July 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 36.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
July 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 31.0
 
July 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 36.0 μg/m3 (33) 7.1 μg/m3 (30) 33.0
 
July 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 37.0 μg/m3 (34) 7.8 μg/m3 (32) 34.0
 
July 3, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 39.0 μg/m3 (35) 6.1 μg/m3 (25) 35.0
 
July 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 36.0 μg/m3 (33) 7.3 μg/m3 (30) 33.0
 
July 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 46.0 μg/m3 (42) 3.2 μg/m3 (13) 42.0
 
July 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 33.0 μg/m3 (30) 0.8 μg/m3 (3) 34.0
 
July 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 34.0 μg/m3 (31) 1.3 μg/m3 (5) 35.0
 
July 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 33.0 μg/m3 (30) 2.2 μg/m3 (9) 35.0
 
July 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 33.0 μg/m3 (30) 3.0 μg/m3 (12) 34.0
 
July 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 33.0 μg/m3 (30) 4.9 μg/m3 (20) 33.0
 
July 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 29.0 μg/m3 (26) 6.1 μg/m3 (25) 35.0
 
July 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
July 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 33.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
July 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 35.0 μg/m3 (32) 0.5 μg/m3 (2) 32.0
 
July 2, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 7.0 μg/m3 (6) 1.3 μg/m3 (5) 10.0
 
July 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 26.0 μg/m3 (24) 1.1 μg/m3 (5) 24.0
 
July 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 19.0 μg/m3 (17) -1.2 μg/m3 (0) 17.0
 
July 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 21.0 μg/m3 (19) 0.9 μg/m3 (4) 19.0
 
July 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 25.0 μg/m3 (23) 1.6 μg/m3 (7) 23.0
 
July 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 26.0 μg/m3 (24) 1.1 μg/m3 (5) 24.0
 
July 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 21.0 μg/m3 (19) 1.9 μg/m3 (8) 19.0
 
July 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 24.0 μg/m3 (22) 0.4 μg/m3 (2) 22.0
 
July 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 24.0 μg/m3 (22) -1.0 μg/m3 (0) 22.0
 
July 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 25.0 μg/m3 (23) -0.3 μg/m3 (0) 23.0
 
July 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 22.0 μg/m3 (20) 3.1 μg/m3 (13) 20.0
 
July 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 34.0 μg/m3 (31) 6.4 μg/m3 (27) 31.0
 
July 2, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 32.0 μg/m3 (29) 5.4 μg/m3 (23) 29.0
 
July 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 25.0 μg/m3 (23) 2.3 μg/m3 (10) 38.0
 
July 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 24.0 μg/m3 (22) 4.0 μg/m3 (17) 41.0
 
July 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 27.0 μg/m3 (25) 2.8 μg/m3 (12) 41.0
 
July 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 24.0 μg/m3 (22) 2.7 μg/m3 (11) 37.0
 
July 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 15.0 μg/m3 (14) 2.8 μg/m3 (12) 35.0
 
July 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 13.0 μg/m3 (12) 1.8 μg/m3 (8) 35.0
 
July 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 18.0 μg/m3 (16) 1.3 μg/m3 (5) 31.0
 
July 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 27.0
 
July 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 14.0 μg/m3 (13) 0.1 μg/m3 (0) 20.0
 
July 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 24.0 μg/m3 (22) N/A 22.0
 
July 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
July 1, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 24.0 μg/m3 (22) 2.3 μg/m3 (10) 22.0
 
July 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 26.0 μg/m3 (24) 2.3 μg/m3 (10) 24.0
 
July 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 24.0 μg/m3 (22) 3.6 μg/m3 (15) 22.0
 
July 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 30.0 μg/m3 (27) 4.6 μg/m3 (19) 27.0
 
July 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 4.3 μg/m3 (18) 21.0
 
July 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 38.0 μg/m3 (35) 6.7 μg/m3 (28) 35.0
 
July 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 49.0 μg/m3 (45) 6.4 μg/m3 (27) 45.0
 
July 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 45.0 μg/m3 (41) 8.5 μg/m3 (35) 41.0
 
July 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 54.0 μg/m3 (49) 9.9 μg/m3 (41) 49.0
 
July 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 52.0 μg/m3 (47) 9.8 μg/m3 (41) 47.0
 
July 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 52.0 μg/m3 (47) 16.5 μg/m3 (60) 60.0
 
July 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 48.0 μg/m3 (44) 14.4 μg/m3 (55) 55.0
 
July 1, 2020, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 59.0 μg/m3 (52) 13.0 μg/m3 (52) 52.0
 
June 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 38.0 μg/m3 (35) 16.7 μg/m3 (60) 60.0
 
June 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 54.0 μg/m3 (49) 13.5 μg/m3 (53) 53.0
 
June 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 43.0 μg/m3 (39) 14.2 μg/m3 (55) 55.0
 
June 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 52.0 μg/m3 (47) 10.5 μg/m3 (44) 47.0
 
June 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 49.0 μg/m3 (45) 14.2 μg/m3 (55) 55.0
 
June 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 60.0 μg/m3 (52) 16.0 μg/m3 (59) 59.0
 
June 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 69.0 μg/m3 (57) 20.4 μg/m3 (68) 68.0
 
June 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 62.0 μg/m3 (54) 23.3 μg/m3 (74) 74.0
 
June 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 58.0 μg/m3 (52) 16.5 μg/m3 (60) 60.0
 
June 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 55.0 μg/m3 (50) 12.5 μg/m3 (51) 51.0
 
June 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 47.0 μg/m3 (43) 12.2 μg/m3 (50) 50.0
 
June 30, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 46.0 μg/m3 (42) 9.1 μg/m3 (38) 42.0
 
June 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 47.0 μg/m3 (43) 9.1 μg/m3 (38) 43.0
 
June 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 44.0 μg/m3 (40) 9.6 μg/m3 (40) 40.0
 
June 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 30.0 μg/m3 (27) 7.5 μg/m3 (31) 31.0
 
June 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 30.0 μg/m3 (27) 7.8 μg/m3 (32) 32.0
 
June 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 28.0 μg/m3 (25) 11.1 μg/m3 (46) 46.0
 
June 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 29.0 μg/m3 (26) 8.6 μg/m3 (36) 36.0
 
June 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 34.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
June 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 35.0 μg/m3 (32) 8.4 μg/m3 (35) 35.0
 
June 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 36.0 μg/m3 (33) 9.1 μg/m3 (38) 38.0
 
June 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 46.0 μg/m3 (42) 11.3 μg/m3 (47) 47.0
 
June 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
June 30, 2020, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 42.0 μg/m3 (38) 12.3 μg/m3 (51) 51.0
 
June 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 58.0 μg/m3 (52) 14.9 μg/m3 (56) 56.0
 
June 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 52.0 μg/m3 (47) 17.5 μg/m3 (62) 62.0
 
June 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 56.0 μg/m3 (50) 18.2 μg/m3 (63) 63.0
 
June 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 66.0 μg/m3 (56) 15.2 μg/m3 (57) 57.0