AQSQID: 461030020

Site Name: Credit Union

Location: Rapid City, SD

Reporting: True, Located: True

Current AQI: 43.0

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
May 19, 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) 3.8 μg/m3 (16) 43.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 3.6 μg/m3 (15) 42.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) 3.6 μg/m3 (15) 55.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 4.1 μg/m3 (17) 49.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.1 μg/m3 (9) 11.0
 
May 19, 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) 3.8 μg/m3 (16) 16.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 3.6 μg/m3 (15) 46.0
 
May 19, 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) 3.3 μg/m3 (14) 14.0
 
May 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) 0.4 μg/m3 (2) 5.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -0.4 μg/m3 (0) 8.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 1.6 μg/m3 (7) 11.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.6 μg/m3 (15) 15.0
 
May 19, 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) 4.0 μg/m3 (17) 17.0
 
May 19, 2019, 2 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
 
May 19, 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) 1.4 μg/m3 (6) 19.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 1.1 μg/m3 (5) 24.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 2.8 μg/m3 (12) 37.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 108.0 μg/m3 (76) 7.0 μg/m3 (29) 76.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (68) 5.1 μg/m3 (21) 68.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) 3.1 μg/m3 (13) 62.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 168.0 μg/m3 (106) 5.8 μg/m3 (24) 106.0
 
May 18, 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) 1.6 μg/m3 (7) 50.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 0.0 μg/m3 (0) 60.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.9 μg/m3 (12) 12.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 113.0 μg/m3 (79) 4.6 μg/m3 (19) 79.0
 
May 18, 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) 2.6 μg/m3 (11) 30.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 4.3 μg/m3 (18) 36.0
 
May 18, 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) 2.6 μg/m3 (11) 22.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.6 μg/m3 (7) 15.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 3.3 μg/m3 (14) 19.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.3 μg/m3 (26) 26.0
 
May 18, 2019, 7 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
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 112.0 μg/m3 (78) 8.7 μg/m3 (36) 78.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 154.0 μg/m3 (100) 7.8 μg/m3 (32) 100.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (68) 7.7 μg/m3 (32) 68.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (76) 6.5 μg/m3 (27) 76.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (74) 7.5 μg/m3 (31) 74.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 3.6 μg/m3 (15) 35.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.1 μg/m3 (13) 14.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.5 μg/m3 (27) 27.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 7.7 μg/m3 (32) 42.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 5.3 μg/m3 (22) 46.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 6.8 μg/m3 (28) 34.0
 
May 17, 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) 7.3 μg/m3 (30) 35.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 8.5 μg/m3 (35) 35.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 9.5 μg/m3 (40) 44.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 9.7 μg/m3 (40) 47.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 7.3 μg/m3 (30) 30.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 9.7 μg/m3 (40) 40.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.6 μg/m3 (19) 19.0
 
May 17, 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) 5.3 μg/m3 (22) 22.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.6 μg/m3 (19) 19.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 3.3 μg/m3 (14) 19.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
May 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) 9.5 μg/m3 (40) 40.0
 
May 17, 2019, 5 a.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
 
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.6 μg/m3 (15) 15.0
 
May 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) 4.3 μg/m3 (18) 18.0
 
May 17, 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) 4.3 μg/m3 (18) 18.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 6.3 μg/m3 (26) 32.0
 
May 16, 2019, 6 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
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 6.3 μg/m3 (26) 32.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 5.5 μg/m3 (23) 54.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 8.0 μg/m3 (33) 34.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 5.7 μg/m3 (24) 34.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 9.0 μg/m3 (38) 60.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 287.0 μg/m3 (166) 12.6 μg/m3 (51) 166.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 209.0 μg/m3 (127) 13.1 μg/m3 (52) 127.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (63) 7.7 μg/m3 (32) 63.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 116.0 μg/m3 (80) 11.6 μg/m3 (48) 80.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 5.3 μg/m3 (22) 49.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (58) 3.6 μg/m3 (15) 58.0
 
May 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.3 μg/m3 (10) 14.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 3.6 μg/m3 (15) 24.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 3.8 μg/m3 (16) 16.0
 
May 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) 5.0 μg/m3 (21) 21.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 4.3 μg/m3 (18) 52.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) 4.0 μg/m3 (17) 54.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (76) 8.7 μg/m3 (36) 76.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 138.0 μg/m3 (92) 8.7 μg/m3 (36) 92.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 132.0 μg/m3 (88) 5.7 μg/m3 (24) 88.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (70) N/A 70.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 3.9 μg/m3 (16) 29.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 6.4 μg/m3 (27) 33.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 6.4 μg/m3 (27) 29.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 5.6 μg/m3 (23) 28.0
 
May 15, 2019, 1 p.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
 
May 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.7 μg/m3 (28) 28.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.4 μg/m3 (23) 23.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.1 μg/m3 (21) 21.0
 
May 15, 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) 3.4 μg/m3 (14) 14.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 14.0
 
May 15, 2019, 7 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
 
May 15, 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) 2.5 μg/m3 (10) 14.0
 
May 15, 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) 4.7 μg/m3 (20) 20.0
 
May 15, 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) 6.6 μg/m3 (28) 28.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.6 μg/m3 (19) 20.0
 
May 15, 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) 4.2 μg/m3 (18) 18.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.7 μg/m3 (28) 28.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 7.9 μg/m3 (33) 50.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.4 μg/m3 (27) 27.0
 
May 14, 2019, 10 p.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
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (20) 20.0
 
May 14, 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) 6.7 μg/m3 (28) 28.0
 
May 14, 2019, 6 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
 
May 14, 2019, 5 p.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
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 6.1 μg/m3 (25) 25.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 4.4 μg/m3 (18) 49.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 150.0 μg/m3 (98) 16.9 μg/m3 (60) 98.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 221.0 μg/m3 (133) 23.5 μg/m3 (74) 133.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.7 μg/m3 (24) 24.0
 
May 14, 2019, 11 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
 
May 14, 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) 6.9 μg/m3 (29) 29.0
 
May 14, 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) 7.9 μg/m3 (33) 33.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (67) 10.6 μg/m3 (44) 67.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 9.4 μg/m3 (39) 46.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 93.0 μg/m3 (69) 8.7 μg/m3 (36) 69.0
 
May 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.6 μg/m3 (28) 28.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 9.6 μg/m3 (40) 40.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 10.3 μg/m3 (43) 48.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 5.4 μg/m3 (23) 35.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 6.9 μg/m3 (29) 43.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 7.1 μg/m3 (30) 35.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.2 μg/m3 (18) 18.0
 
May 13, 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) 4.9 μg/m3 (20) 20.0
 
May 13, 2019, 9 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
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.2 μg/m3 (18) 18.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 5.4 μg/m3 (23) 25.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 6.9 μg/m3 (29) 29.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 8.6 μg/m3 (36) 42.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 8.2 μg/m3 (34) 39.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.7 μg/m3 (32) 32.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 9.6 μg/m3 (40) 68.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 2.7 μg/m3 (11) 20.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 6.2 μg/m3 (26) 28.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 95.0 μg/m3 (70) 14.5 μg/m3 (55) 70.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 7.2 μg/m3 (30) 36.0
 
May 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
May 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
May 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 16.0
 
May 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.7 μg/m3 (11) 11.0
 
May 13, 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) 3.5 μg/m3 (15) 15.0
 
May 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.7 μg/m3 (20) 20.0
 
May 13, 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) 3.7 μg/m3 (15) 15.0
 
May 13, 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) 2.2 μg/m3 (9) 9.0
 
May 13, 2019, midnight 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
 
May 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.7 μg/m3 (7) 15.0
 
May 12, 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) 2.5 μg/m3 (10) 10.0
 
May 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.8 μg/m3 (3) 8.0
 
May 12, 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) 0.5 μg/m3 (2) 5.0
 
May 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.2 μg/m3 (13) 20.0
 
May 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.4 μg/m3 (23) 23.0
 
May 12, 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) 3.4 μg/m3 (14) 24.0
 
May 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 4.1 μg/m3 (17) 40.0
 
May 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 95.0 μg/m3 (70) 7.2 μg/m3 (30) 70.0
 
May 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 3.9 μg/m3 (16) 34.0
 
May 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.7 μg/m3 (15) 15.0
 
May 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 6.2 μg/m3 (26) 29.0