ID: 2165

AQSQID: 460110003

Site Name: Research Farm

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

Updated: July 10, 2020, 5:37 a.m.

Location: Brookings (Wern Ave), SD

Reporting: True, Located: True

Current AQI: 28.0

Brookings (Wern Ave) SD, US: 44.348604, -96.807299

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 6.8 μg/m3 (28) 28.0
 
July 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 27.0 μg/m3 (25) 1.2 μg/m3 (5) 25.0
 
July 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 75.0 μg/m3 (60) 2.9 μg/m3 (12) 60.0
 
July 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 47.0 μg/m3 (43) 3.6 μg/m3 (15) 43.0
 
July 10, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) -4.8 μg/m3 (0) 32.0
 
July 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 33.0 μg/m3 (30) -1.2 μg/m3 (0) 36.0
 
July 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 23.0 μg/m3 (21) 1.6 μg/m3 (7) 38.0
 
July 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 30.0 μg/m3 (27) 3.6 μg/m3 (15) 40.0
 
July 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 45.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 45.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 17.0 μg/m3 (15) 5.8 μg/m3 (24) 43.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 22.0 μg/m3 (20) 8.5 μg/m3 (35) 45.0
 
July 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 12.0 μg/m3 (11) 1.1 μg/m3 (5) 39.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 8.0 μg/m3 (7) 0.7 μg/m3 (3) 38.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 10.0 μg/m3 (9) 1.4 μg/m3 (6) 37.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 2.1 μg/m3 (9) 32.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 2.9 μg/m3 (12) 27.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 8.0 μg/m3 (7) -2.2 μg/m3 (0) 33.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 7.0 μg/m3 (6) -3.1 μg/m3 (0) 38.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 3.0 μg/m3 (3) 3.1 μg/m3 (13) 32.0
 
July 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 5.3 μg/m3 (22) 31.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 11.0 μg/m3 (10) -0.7 μg/m3 (0) 38.0
 
July 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 14.0 μg/m3 (13) -2.2 μg/m3 (0) 38.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 55.0 μg/m3 (50) 3.6 μg/m3 (15) 50.0
 
July 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 25.0 μg/m3 (23) 9.5 μg/m3 (40) 40.0
 
July 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 24.0 μg/m3 (22) 6.8 μg/m3 (28) 42.0
 
July 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 23.0 μg/m3 (21) 5.8 μg/m3 (24) 40.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 29.0 μg/m3 (26) 5.6 μg/m3 (23) 44.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 35.0 μg/m3 (32) 6.0 μg/m3 (25) 40.0
 
July 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 37.0 μg/m3 (34) 6.3 μg/m3 (26) 46.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (57) N/A 32.0 μg/m3 (29) 2.9 μg/m3 (12) 57.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A 40.0 μg/m3 (36) 2.9 μg/m3 (12) 52.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 38.0 μg/m3 (35) 4.6 μg/m3 (19) 51.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A 35.0 μg/m3 (32) 4.1 μg/m3 (17) 50.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 31.0 μg/m3 (28) 4.8 μg/m3 (20) 48.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 25.0 μg/m3 (23) 5.5 μg/m3 (23) 48.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 44.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 43.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) N/A 22.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) N/A 20.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 22.0 μg/m3 (20) 6.3 μg/m3 (26) 35.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 32.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 16.0 μg/m3 (15) 3.1 μg/m3 (13) 29.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 16.0 μg/m3 (15) 4.8 μg/m3 (20) 28.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 33.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 15.0 μg/m3 (14) 1.7 μg/m3 (7) 35.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 12.0 μg/m3 (11) -0.2 μg/m3 (0) 38.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 11.0 μg/m3 (10) 0.4 μg/m3 (2) 40.0
 
July 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 38.0
 
July 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 10.2 μg/m3 (42) 42.0
 
July 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 6.0 μg/m3 (5) -1.4 μg/m3 (0) 35.0
 
July 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 4.0 μg/m3 (4) -1.9 μg/m3 (0) 36.0
 
July 8, 2020, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 5.0 μg/m3 (5) -3.1 μg/m3 (0) 38.0
 
July 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 4.0 μg/m3 (4) -3.1 μg/m3 (0) 41.0
 
July 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 8.0 μg/m3 (7) 0.7 μg/m3 (3) 42.0
 
July 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 7.0 μg/m3 (6) 4.6 μg/m3 (19) 42.0
 
July 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 1.0 μg/m3 (1) 4.8 μg/m3 (20) 42.0
 
July 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 2.0 μg/m3 (2) 3.1 μg/m3 (13) 39.0
 
July 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 4.0 μg/m3 (4) 3.6 μg/m3 (15) 42.0
 
July 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 4.0 μg/m3 (4) 0.9 μg/m3 (4) 41.0
 
July 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 39.0
 
July 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 38.0
 
July 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 5.0 μg/m3 (5) -0.7 μg/m3 (0) 35.0
 
July 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 5.0 μg/m3 (5) 0.2 μg/m3 (1) 31.0
 
July 7, 2020, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 5.0 μg/m3 (5) -1.9 μg/m3 (0) 30.0
 
July 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 3.0 μg/m3 (3) -4.3 μg/m3 (0) 34.0
 
July 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 7.0 μg/m3 (6) -0.2 μg/m3 (0) 32.0
 
July 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -0.5 μg/m3 (0) 11.0
 
July 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.6 μg/m3 (11) 11.0
 
July 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.7 μg/m3 (3) 9.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.9 μg/m3 (8) 9.0
 
July 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 1.9 μg/m3 (8) 11.0
 
July 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 0.2 μg/m3 (1) 17.0
 
July 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
July 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 11.4 μg/m3 (48) 48.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 2.1 μg/m3 (9) 24.0
 
July 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 2.4 μg/m3 (10) 32.0
 
July 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 1.4 μg/m3 (6) 54.0
 
July 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 6.5 μg/m3 (27) 48.0
 
July 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
July 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 11.9 μg/m3 (50) 50.0
 
July 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
July 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.7 μg/m3 (0) 5.0
 
July 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.7 μg/m3 (7) 7.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.9 μg/m3 (12) 12.0
 
July 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.3 μg/m3 (22) 22.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -0.7 μg/m3 (0) 5.0
 
July 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.4 μg/m3 (6) 7.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.6 μg/m3 (19) 19.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.3 μg/m3 (22) 22.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 3.6 μg/m3 (15) 16.0
 
July 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
July 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 11.7 μg/m3 (49) 50.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 12.2 μg/m3 (50) 56.0
 
July 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 12.5 μg/m3 (51) 51.0
 
July 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 6.6 μg/m3 (28) 29.0
 
July 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.1 μg/m3 (17) 19.0
 
July 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 4.4 μg/m3 (18) 25.0
 
July 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) 7.8 μg/m3 (32) 54.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 9.9 μg/m3 (41) 41.0
 
July 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 8.2 μg/m3 (34) 34.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 7.3 μg/m3 (30) 30.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 3.1 μg/m3 (13) 23.0
 
July 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 7.5 μg/m3 (31) 46.0
 
July 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 12.2 μg/m3 (50) 50.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 10.5 μg/m3 (44) 44.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 12.4 μg/m3 (51) 51.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 8.8 μg/m3 (37) 37.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 9.7 μg/m3 (40) 40.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 9.9 μg/m3 (41) 41.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 5.6 μg/m3 (23) 39.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 128.0 μg/m3 (86) 21.8 μg/m3 (71) 86.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 26.4 μg/m3 (81) 81.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 18.4 μg/m3 (64) 64.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 26.1 μg/m3 (80) 80.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 25.4 μg/m3 (79) 79.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.8 μg/m3 (24) 24.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.1 μg/m3 (21) 21.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 1.6 μg/m3 (7) 24.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 6.3 μg/m3 (26) 26.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 6.3 μg/m3 (26) 36.0
 
July 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 2.4 μg/m3 (10) 29.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.9 μg/m3 (8) 15.0
 
July 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 18.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 7.3 μg/m3 (30) 33.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 13.2 μg/m3 (53) 53.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.6 μg/m3 (23) 23.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.8 μg/m3 (20) 20.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
July 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
July 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.6 μg/m3 (23) 23.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.6 μg/m3 (23) 23.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.6 μg/m3 (19) 19.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 5.6 μg/m3 (23) 23.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.5 μg/m3 (27) 27.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 11.2 μg/m3 (47) 47.0
 
July 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.1 μg/m3 (17) 19.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.3 μg/m3 (22) 22.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 4.4 μg/m3 (18) 22.0
 
July 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.1 μg/m3 (13) 18.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.3 μg/m3 (22) 22.0
 
July 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.6 μg/m3 (23) 23.0
 
July 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.3 μg/m3 (22) 22.0
 
July 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 14.9 μg/m3 (56) 56.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 7.8 μg/m3 (32) 32.0
 
July 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 7.3 μg/m3 (30) 30.0
 
July 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
July 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 6.8 μg/m3 (28) 28.0
 
July 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.8 μg/m3 (24) 24.0
 
July 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 7.8 μg/m3 (32) 32.0
 
July 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 10.2 μg/m3 (42) 42.0
 
July 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 6.3 μg/m3 (26) 27.0
 
July 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 14.7 μg/m3 (56) 56.0
 
July 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.3 μg/m3 (22) 22.0
 
July 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.8 μg/m3 (24) 24.0
 
July 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.1 μg/m3 (17) 18.0
 
July 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.1 μg/m3 (13) 15.0
 
July 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 3.9 μg/m3 (16) 21.0