AQSQID: 461030020

Site Name: Credit Union

Location: Rapid City, SD

Reporting: True, Located: True

Current AQI: 60.0

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
Jan. 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 11.3 μg/m3 (47) 60.0
 
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 169.0 μg/m3 (107) 11.1 μg/m3 (46) 107.0
 
Jan. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 205.0 μg/m3 (125) 13.7 μg/m3 (54) 125.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 211.0 μg/m3 (128) 17.5 μg/m3 (62) 128.0
 
Jan. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 158.0 μg/m3 (102) 19.0 μg/m3 (65) 102.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (83) 15.2 μg/m3 (57) 83.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (70) 17.8 μg/m3 (62) 70.0
 
Jan. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 131.0 μg/m3 (88) 13.2 μg/m3 (53) 88.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (71) 9.6 μg/m3 (40) 71.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (64) 9.9 μg/m3 (41) 64.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 10.1 μg/m3 (42) 50.0
 
Jan. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 10.6 μg/m3 (44) 54.0
 
Jan. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 8.2 μg/m3 (34) 40.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 9.2 μg/m3 (38) 38.0
 
Jan. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 12.3 μg/m3 (51) 51.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 6.2 μg/m3 (26) 35.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.4 μg/m3 (35) 35.0
 
Jan. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 10.1 μg/m3 (42) 42.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 6.2 μg/m3 (26) 27.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.9 μg/m3 (16) 16.0
 
Jan. 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) 2.5 μg/m3 (10) 10.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 20.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.7 μg/m3 (11) 12.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.7 μg/m3 (15) 15.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -0.4 μg/m3 (0) 15.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.9 μg/m3 (16) 16.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (58) 8.4 μg/m3 (35) 58.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 3.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.2 μg/m3 (9) 9.0
 
Jan. 20, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 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) 1.0 μg/m3 (4) 5.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.5 μg/m3 (10) 10.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 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) 1.8 μg/m3 (8) 8.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.9 μg/m3 (20) 20.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 8.7 μg/m3 (36) 36.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 119.0 μg/m3 (82) 18.0 μg/m3 (63) 82.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 15.9 μg/m3 (58) 58.0
 
Jan. 20, 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) 10.8 μg/m3 (45) 45.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 8.7 μg/m3 (36) 36.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 12.3 μg/m3 (51) 51.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 8.4 μg/m3 (35) 35.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 12.3 μg/m3 (51) 51.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.2 μg/m3 (30) 30.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 9.4 μg/m3 (39) 39.0
 
Jan. 19, 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) 5.7 μg/m3 (24) 24.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.7 μg/m3 (15) 15.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 19, 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) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2019, 8 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
 
Jan. 19, 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) 5.9 μg/m3 (25) 25.0
 
Jan. 19, 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) 5.9 μg/m3 (25) 25.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Jan. 19, 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) 8.5 μg/m3 (35) 35.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.7 μg/m3 (24) 24.0
 
Jan. 19, 2019, 1 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
 
Jan. 19, 2019, midnight 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
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 8.9 μg/m3 (37) 37.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 8.2 μg/m3 (34) 34.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.7 μg/m3 (40) 40.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 8.4 μg/m3 (35) 56.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) 9.2 μg/m3 (38) 54.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 10.4 μg/m3 (43) 52.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 8.7 μg/m3 (36) 48.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 9.2 μg/m3 (38) 53.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 5.4 μg/m3 (23) 54.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 6.9 μg/m3 (29) 56.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 9.2 μg/m3 (38) 50.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 6.9 μg/m3 (29) 59.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 3.0 μg/m3 (12) 43.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 2.5 μg/m3 (10) 26.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.8 μg/m3 (8) 8.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.3 μg/m3 (10) 10.0
 
Jan. 18, 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) 2.3 μg/m3 (10) 10.0
 
Jan. 18, 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) 1.8 μg/m3 (8) 8.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.7 μg/m3 (11) 11.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.4 μg/m3 (18) 18.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.7 μg/m3 (24) 24.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.2 μg/m3 (13) 13.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.3 μg/m3 (10) 10.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.9 μg/m3 (37) 37.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.7 μg/m3 (32) 32.0
 
Jan. 17, 2019, 4 p.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
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 103.0 μg/m3 (74) 14.9 μg/m3 (56) 74.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (71) 17.5 μg/m3 (62) 71.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 154.0 μg/m3 (100) 17.0 μg/m3 (61) 100.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 9.9 μg/m3 (41) 41.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 8.9 μg/m3 (37) 37.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.6 μg/m3 (40) 40.0
 
Jan. 17, 2019, 8 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
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.7 μg/m3 (51) 51.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 10.1 μg/m3 (42) 42.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 18.3 μg/m3 (63) 63.0
 
Jan. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 17.7 μg/m3 (62) 62.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 12.2 μg/m3 (50) 50.0
 
Jan. 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) 11.3 μg/m3 (47) 47.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 20.4 μg/m3 (68) 68.0
 
Jan. 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 12.7 μg/m3 (51) 51.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 10.8 μg/m3 (45) 45.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 10.8 μg/m3 (45) 45.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 9.9 μg/m3 (41) 50.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 8.7 μg/m3 (36) 48.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 4.2 μg/m3 (18) 24.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.2 μg/m3 (30) 30.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.7 μg/m3 (11) 11.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.2 μg/m3 (9) 9.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Jan. 16, 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) 3.9 μg/m3 (16) 16.0
 
Jan. 16, 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) 5.2 μg/m3 (22) 22.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.7 μg/m3 (11) 11.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.4 μg/m3 (14) 14.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.5 μg/m3 (10) 10.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 6.9 μg/m3 (29) 35.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 6.7 μg/m3 (28) 54.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (64) 5.4 μg/m3 (23) 64.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 3.4 μg/m3 (14) 33.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) 6.4 μg/m3 (27) 55.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 7.7 μg/m3 (32) 60.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 3.7 μg/m3 (15) 56.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 4.4 μg/m3 (18) 54.0
 
Jan. 15, 2019, 5 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
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 188.0 μg/m3 (116) 18.0 μg/m3 (63) 116.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 294.0 μg/m3 (170) 23.0 μg/m3 (73) 170.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 306.0 μg/m3 (176) 22.5 μg/m3 (72) 176.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 4.9 μg/m3 (20) 43.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 253.0 μg/m3 (149) 19.7 μg/m3 (66) 149.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 7.7 μg/m3 (32) 58.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 152.0 μg/m3 (98) 9.6 μg/m3 (40) 98.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 151.0 μg/m3 (98) 12.0 μg/m3 (50) 98.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) 3.5 μg/m3 (15) 62.0
 
Jan. 15, 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) 4.7 μg/m3 (20) 20.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 7.7 μg/m3 (32) 68.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 7.4 μg/m3 (31) 31.0
 
Jan. 15, 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) 6.4 μg/m3 (27) 27.0