AQSQID: 461030020

Site Name: Credit Union

Location: Rapid City (W Chicago St), SD

Reporting: True, Located: True

Current AQI: 8.0

Rapid City (W Chicago St) SD, US: 44.087397, -103.273777

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.6 μg/m3 (23) 23.0
 
Jan. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 8.3 μg/m3 (35) 35.0
 
Jan. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.8 μg/m3 (28) 28.0
 
Jan. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 14.6 μg/m3 (56) 56.0
 
Jan. 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
Jan. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 22.5 μg/m3 (72) 72.0
 
Jan. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 12.6 μg/m3 (51) 51.0
 
Jan. 11, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 15.7 μg/m3 (58) 58.0
 
Jan. 11, 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) 16.4 μg/m3 (59) 59.0
 
Jan. 11, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.6 μg/m3 (28) 28.0
 
Jan. 10, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.1 μg/m3 (34) 34.0
 
Jan. 10, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.6 μg/m3 (19) 19.0
 
Jan. 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 6.3 μg/m3 (26) 26.0
 
Jan. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 9.3 μg/m3 (39) 39.0
 
Jan. 10, 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) 5.3 μg/m3 (22) 22.0
 
Jan. 10, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.4 μg/m3 (14) 14.0
 
Jan. 10, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.8 μg/m3 (24) 24.0
 
Jan. 10, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
Jan. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.4 μg/m3 (18) 18.0
 
Jan. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 2.2 μg/m3 (9) 21.0
 
Jan. 10, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.9 μg/m3 (12) 12.0
 
Jan. 10, 2020, noon 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. 10, 2020, 11 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
 
Jan. 10, 2020, 10 a.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
 
Jan. 10, 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) 3.9 μg/m3 (16) 20.0
 
Jan. 10, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 2.9 μg/m3 (12) 17.0
 
Jan. 10, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.5 μg/m3 (2) 5.0
 
Jan. 10, 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) 0.5 μg/m3 (2) 9.0
 
Jan. 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 1.5 μg/m3 (6) 11.0
 
Jan. 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.4 μg/m3 (14) 15.0
 
Jan. 10, 2020, 3 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
 
Jan. 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.9 μg/m3 (8) 10.0
 
Jan. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.4 μg/m3 (18) 18.0
 
Jan. 10, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.6 μg/m3 (15) 15.0
 
Jan. 9, 2020, 11 p.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
 
Jan. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.6 μg/m3 (23) 23.0
 
Jan. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 7.8 μg/m3 (32) 32.0
 
Jan. 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
Jan. 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 0.5 μg/m3 (2) 20.0
 
Jan. 9, 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) 2.9 μg/m3 (12) 19.0
 
Jan. 9, 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) 4.9 μg/m3 (20) 24.0
 
Jan. 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 4.9 μg/m3 (20) 36.0
 
Jan. 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.2 μg/m3 (5) 12.0
 
Jan. 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.9 μg/m3 (8) 10.0
 
Jan. 9, 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) 2.4 μg/m3 (10) 18.0
 
Jan. 9, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -2.6 μg/m3 (0) 8.0
 
Jan. 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.7 μg/m3 (3) 7.0
 
Jan. 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.5 μg/m3 (6) 6.0
 
Jan. 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.2 μg/m3 (1) 5.0
 
Jan. 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -0.2 μg/m3 (0) 5.0
 
Jan. 9, 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) 1.9 μg/m3 (8) 9.0
 
Jan. 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.6 μg/m3 (15) 15.0
 
Jan. 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.9 μg/m3 (16) 16.0
 
Jan. 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.4 μg/m3 (27) 27.0
 
Jan. 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 7.6 μg/m3 (32) 32.0
 
Jan. 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.3 μg/m3 (30) 30.0
 
Jan. 9, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 4.4 μg/m3 (18) 34.0
 
Jan. 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 9.1 μg/m3 (38) 47.0
 
Jan. 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) 10.0 μg/m3 (42) 62.0
 
Jan. 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 3.9 μg/m3 (16) 27.0
 
Jan. 8, 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) 3.9 μg/m3 (16) 23.0
 
Jan. 8, 2020, 7 p.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
 
Jan. 8, 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) 1.0 μg/m3 (4) 19.0
 
Jan. 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
Jan. 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.7 μg/m3 (11) 11.0
 
Jan. 8, 2020, 3 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 (7) 7.0
 
Jan. 8, 2020, 2 p.m. 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. 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.2 μg/m3 (13) 13.0
 
Jan. 8, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.9 μg/m3 (12) 12.0
 
Jan. 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.7 μg/m3 (3) 3.0
 
Jan. 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.2 μg/m3 (0) 4.0
 
Jan. 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -0.6 μg/m3 (0) 4.0
 
Jan. 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 4.0
 
Jan. 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.7 μg/m3 (7) 7.0
 
Jan. 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.9 μg/m3 (12) 12.0
 
Jan. 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.7 μg/m3 (7) 7.0
 
Jan. 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.6 μg/m3 (15) 15.0
 
Jan. 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.8 μg/m3 (28) 28.0
 
Jan. 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -1.7 μg/m3 (0) 8.0
 
Jan. 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 8, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 2.2 μg/m3 (9) 19.0
 
Jan. 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -1.9 μg/m3 (0) 12.0
 
Jan. 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.4 μg/m3 (6) 13.0
 
Jan. 7, 2020, 9 p.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
 
Jan. 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.2 μg/m3 (13) 13.0
 
Jan. 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.2 μg/m3 (13) 13.0
 
Jan. 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
Jan. 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (2) 2.0
 
Jan. 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
Jan. 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) -0.6 μg/m3 (0) 32.0
 
Jan. 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) -2.1 μg/m3 (0) 39.0
 
Jan. 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -3.1 μg/m3 (0) 7.0
 
Jan. 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -4.0 μg/m3 (0) 5.0
 
Jan. 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.9 μg/m3 (0) 4.0
 
Jan. 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 14.0
 
Jan. 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.4 μg/m3 (18) 18.0
 
Jan. 7, 2020, 8 a.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
 
Jan. 7, 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) 11.2 μg/m3 (47) 47.0
 
Jan. 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
Jan. 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.6 μg/m3 (19) 19.0
 
Jan. 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -2.8 μg/m3 (0) 7.0
 
Jan. 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (66) 66.0
 
Jan. 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 2.7 μg/m3 (11) 33.0
 
Jan. 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 2.7 μg/m3 (11) 28.0
 
Jan. 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 1.2 μg/m3 (5) 26.0
 
Jan. 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 0.0 μg/m3 (0) 26.0
 
Jan. 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -1.2 μg/m3 (0) 12.0
 
Jan. 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 0.5 μg/m3 (2) 26.0
 
Jan. 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 2.2 μg/m3 (9) 29.0
 
Jan. 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 3.2 μg/m3 (13) 48.0
 
Jan. 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 2.7 μg/m3 (11) 47.0
 
Jan. 6, 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) 4.1 μg/m3 (17) 23.0
 
Jan. 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 0.0 μg/m3 (0) 24.0
 
Jan. 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.2 μg/m3 (1) 4.0
 
Jan. 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -0.9 μg/m3 (0) 5.0
 
Jan. 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -2.1 μg/m3 (0) 5.0
 
Jan. 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.7 μg/m3 (3) 14.0
 
Jan. 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
Jan. 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 5.0
 
Jan. 6, 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) 4.1 μg/m3 (17) 17.0
 
Jan. 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.1 μg/m3 (17) 17.0
 
Jan. 6, 2020, 5 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
 
Jan. 6, 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) -0.2 μg/m3 (0) 11.0
 
Jan. 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 18.1 μg/m3 (63) 63.0
 
Jan. 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.9 μg/m3 (20) 20.0
 
Jan. 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 6.4 μg/m3 (27) 27.0
 
Jan. 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.1 μg/m3 (25) 25.0
 
Jan. 5, 2020, 11 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
 
Jan. 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.4 μg/m3 (10) 11.0
 
Jan. 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.7 μg/m3 (3) 5.0
 
Jan. 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) -0.4 μg/m3 (0) 16.0
 
Jan. 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -0.9 μg/m3 (0) 15.0
 
Jan. 5, 2020, 6 p.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 (0) 17.0
 
Jan. 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.5 μg/m3 (6) 10.0
 
Jan. 5, 2020, 4 p.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
 
Jan. 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.9 μg/m3 (8) 8.0
 
Jan. 5, 2020, 2 p.m. 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
 
Jan. 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
Jan. 5, 2020, noon 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
 
Jan. 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.2 μg/m3 (5) 10.0
 
Jan. 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.2 μg/m3 (9) 16.0
 
Jan. 5, 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) 1.9 μg/m3 (8) 17.0
 
Jan. 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 0.5 μg/m3 (2) 36.0
 
Jan. 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -1.4 μg/m3 (0) 11.0
 
Jan. 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.2 μg/m3 (1) 4.0
 
Jan. 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.9 μg/m3 (8) 15.0
 
Jan. 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 3.1 μg/m3 (13) 35.0
 
Jan. 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.4 μg/m3 (10) 10.0
 
Jan. 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.5 μg/m3 (2) 9.0
 
Jan. 5, 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) 2.9 μg/m3 (12) 15.0
 
Jan. 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.9 μg/m3 (16) 18.0
 
Jan. 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 1.9 μg/m3 (8) 30.0
 
Jan. 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 1.7 μg/m3 (7) 43.0
 
Jan. 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.5 μg/m3 (2) 6.0
 
Jan. 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 0.7 μg/m3 (3) 22.0
 
Jan. 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.9 μg/m3 (20) 20.0
 
Jan. 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 10.5 μg/m3 (44) 68.0
 
Jan. 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 3.1 μg/m3 (13) 41.0
 
Jan. 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.2 μg/m3 (1) 7.0
 
Jan. 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) -1.2 μg/m3 (0) N/A
Jan. 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -0.2 μg/m3 (0) 1.0
 
Jan. 4, 2020, 1 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
 
Jan. 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.7 μg/m3 (3) 10.0
 
Jan. 4, 2020, 11 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
 
Jan. 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) 3.9 μg/m3 (16) 19.0
 
Jan. 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
Jan. 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 10.0 μg/m3 (42) 42.0