AQSQID: 461030020

Site Name: Credit Union

Location: Rapid City, SD

Reporting: True, Located: True

Current AQI: 22.0

Rapid City SD, US: 44.087397, -103.273777

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 22.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.7 μg/m3 (28) 28.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.9 μg/m3 (16) 16.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 9.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 14.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.7 μg/m3 (32) 32.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.4 μg/m3 (23) 23.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.5 μg/m3 (15) 15.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.1 μg/m3 (21) 22.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.9 μg/m3 (20) 20.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 3.2 μg/m3 (13) 23.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 1.3 μg/m3 (5) 27.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 1.0 μg/m3 (4) 21.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.2 μg/m3 (18) 19.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 4.4 μg/m3 (18) 27.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 5.1 μg/m3 (21) 21.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 8.2 μg/m3 (34) 58.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 3.9 μg/m3 (16) 46.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 4.4 μg/m3 (18) 35.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 5.2 μg/m3 (22) 28.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.5 μg/m3 (6) 9.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.9 μg/m3 (16) 16.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.2 μg/m3 (13) 14.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 10.3 μg/m3 (43) 43.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 6.6 μg/m3 (28) 28.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 8.9 μg/m3 (37) 38.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 5.2 μg/m3 (22) 29.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.6 μg/m3 (23) 23.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.3 μg/m3 (5) 16.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 2.7 μg/m3 (11) 19.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 3.7 μg/m3 (15) 26.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 2.9 μg/m3 (12) 27.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 4.9 μg/m3 (20) 33.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 5.1 μg/m3 (21) 29.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 4.9 μg/m3 (20) 35.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 124.0 μg/m3 (84) 8.4 μg/m3 (35) 84.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 293.0 μg/m3 (169) 27.0 μg/m3 (82) 169.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (76) 11.5 μg/m3 (48) 76.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 3.9 μg/m3 (16) 30.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.2 μg/m3 (18) 18.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 18.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.8 μg/m3 (3) 14.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.3 μg/m3 (1) 5.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 8.1 μg/m3 (34) 40.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 7.6 μg/m3 (32) 38.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (76) 7.6 μg/m3 (32) 76.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (78) 8.4 μg/m3 (35) 78.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 113.0 μg/m3 (79) 11.0 μg/m3 (46) 79.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 127.0 μg/m3 (86) 8.9 μg/m3 (37) 86.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 161.0 μg/m3 (103) 7.9 μg/m3 (33) 103.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 120.0 μg/m3 (82) 4.4 μg/m3 (18) 82.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (61) 3.4 μg/m3 (14) 61.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 116.0 μg/m3 (80) 3.9 μg/m3 (16) 80.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (66) 4.2 μg/m3 (18) 66.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 6.9 μg/m3 (29) 68.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 141.0 μg/m3 (93) 11.0 μg/m3 (46) 93.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (83) 12.5 μg/m3 (51) 83.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.2 μg/m3 (9) 11.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.2 μg/m3 (9) 9.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.8 μg/m3 (3) 10.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.2 μg/m3 (22) 22.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 15.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 3.4 μg/m3 (14) 17.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 3.2 μg/m3 (13) 32.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 2.7 μg/m3 (11) 26.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.9 μg/m3 (20) 20.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 6.9 μg/m3 (29) 56.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (65) 7.2 μg/m3 (30) 65.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 133.0 μg/m3 (89) 9.1 μg/m3 (38) 89.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 150.0 μg/m3 (98) 6.9 μg/m3 (29) 98.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 154.0 μg/m3 (100) 8.2 μg/m3 (34) 100.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 145.0 μg/m3 (95) 8.6 μg/m3 (36) 95.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 173.0 μg/m3 (109) 8.9 μg/m3 (37) 109.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 234.0 μg/m3 (140) 9.1 μg/m3 (38) 140.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 134.0 μg/m3 (90) 12.2 μg/m3 (50) 90.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) 8.4 μg/m3 (35) 62.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 166.0 μg/m3 (106) 18.7 μg/m3 (64) 106.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 14.7 μg/m3 (56) 56.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 7.4 μg/m3 (31) 31.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 5.9 μg/m3 (25) 30.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 6.1 μg/m3 (25) 25.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 7.1 μg/m3 (30) 30.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 6.4 μg/m3 (27) 27.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 8.9 μg/m3 (37) 37.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 13.0 μg/m3 (52) 52.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 9.4 μg/m3 (39) 39.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 5.9 μg/m3 (25) 34.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 6.6 μg/m3 (28) 28.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 4.9 μg/m3 (20) 21.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.1 μg/m3 (25) 25.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.4 μg/m3 (35) 35.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.7 μg/m3 (20) 20.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.6 μg/m3 (23) 23.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 7.9 μg/m3 (33) 38.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 9.8 μg/m3 (41) 43.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 199.0 μg/m3 (122) 14.4 μg/m3 (55) 122.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 471.0 μg/m3 (358) 31.7 μg/m3 (92) 358.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 284.0 μg/m3 (164) 20.6 μg/m3 (68) 164.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 5.9 μg/m3 (25) 25.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.1 μg/m3 (21) 21.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.6 μg/m3 (23) 23.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 18.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 9.6 μg/m3 (40) 40.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 7.1 μg/m3 (30) 30.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.6 μg/m3 (23) 23.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 7.6 μg/m3 (32) 54.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 116.0 μg/m3 (80) 9.6 μg/m3 (40) 80.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 8.7 μg/m3 (36) 53.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 183.0 μg/m3 (114) 11.0 μg/m3 (46) 114.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 161.0 μg/m3 (103) 9.1 μg/m3 (38) 103.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 163.0 μg/m3 (104) 8.9 μg/m3 (37) 104.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 148.0 μg/m3 (96) 6.6 μg/m3 (28) 96.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 160.0 μg/m3 (102) 8.4 μg/m3 (35) 102.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 192.0 μg/m3 (118) 10.1 μg/m3 (42) 118.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 117.0 μg/m3 (81) 10.3 μg/m3 (43) 81.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (72) 72.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.2 μg/m3 (87) 87.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.7 μg/m3 (7) 7.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 137.0 μg/m3 (91) 8.9 μg/m3 (37) 91.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 4.4 μg/m3 (18) 53.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 0.8 μg/m3 (3) 35.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.8 μg/m3 (3) 9.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.7 μg/m3 (20) 20.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.4 μg/m3 (39) 39.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 14.4 μg/m3 (55) 55.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 2.9 μg/m3 (12) 15.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.1 μg/m3 (34) 34.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.5 μg/m3 (10) 13.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.5 μg/m3 (10) 11.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 2.7 μg/m3 (11) 22.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 2.2 μg/m3 (9) 31.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 4.9 μg/m3 (20) 56.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 200.0 μg/m3 (122) 7.4 μg/m3 (31) 122.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 209.0 μg/m3 (127) 8.4 μg/m3 (35) 127.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 217.0 μg/m3 (131) 11.2 μg/m3 (47) 131.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (58) 58.0