AQSQID: 040031005

Site Name: Douglas Red Cross

Location: Douglas, AZ

Reporting: True, Located: True

Current AQI: 25.0

Douglas AZ, US: 31.3492, -109.539683

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 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) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
Jan. 24, 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) 3.0 μg/m3 (12) 15.0
 
Jan. 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
Jan. 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Jan. 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Jan. 24, 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) 2.0 μg/m3 (8) 26.0
 
Jan. 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 0.0 μg/m3 (0) 54.0
 
Jan. 24, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) -1.0 μg/m3 (0) 25.0
 
Jan. 23, 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) -2.0 μg/m3 (0) 13.0
 
Jan. 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) -3.0 μg/m3 (0) 15.0
 
Jan. 23, 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) -3.0 μg/m3 (0) 16.0
 
Jan. 23, 2019, 8 p.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 (0) 10.0
 
Jan. 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
Jan. 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
Jan. 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -1.0 μg/m3 (0) 11.0
 
Jan. 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 18.0
 
Jan. 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
Jan. 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 4.0 μg/m3 (17) 45.0
 
Jan. 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 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) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Jan. 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.0 μg/m3 (4) 16.0
 
Jan. 23, 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) 2.0 μg/m3 (8) 16.0
 
Jan. 23, 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) 2.0 μg/m3 (8) 36.0
 
Jan. 23, 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) 0.0 μg/m3 (0) 17.0
 
Jan. 23, 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) 2.0 μg/m3 (8) 16.0
 
Jan. 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
Jan. 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) -1.0 μg/m3 (0) 18.0
 
Jan. 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
Jan. 22, 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) 3.0 μg/m3 (12) 16.0
 
Jan. 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) -1.0 μg/m3 (0) 25.0
 
Jan. 22, 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) -1.0 μg/m3 (0) 32.0
 
Jan. 22, 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) 3.0 μg/m3 (12) 18.0
 
Jan. 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Jan. 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 18.0
 
Jan. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 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) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) -1.0 μg/m3 (0) 18.0
 
Jan. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 1.0 μg/m3 (4) 22.0
 
Jan. 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 2.0 μg/m3 (8) 25.0
 
Jan. 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
Jan. 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (62) 3.0 μg/m3 (12) 62.0
 
Jan. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 4.0 μg/m3 (17) 50.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (62) 4.0 μg/m3 (17) 62.0
 
Jan. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 3.0 μg/m3 (12) 50.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 2.0 μg/m3 (8) 47.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) -1.0 μg/m3 (0) 32.0
 
Jan. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 1.0 μg/m3 (4) 28.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (64) 0.0 μg/m3 (0) 64.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 96.0 μg/m3 (70) 9.0 μg/m3 (38) 70.0
 
Jan. 21, 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) 5.0 μg/m3 (21) 25.0
 
Jan. 21, 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) 6.0 μg/m3 (25) 42.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 21, 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) 4.0 μg/m3 (17) 22.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 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) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 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) 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (66) 22.0 μg/m3 (71) 71.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (71) 29.0 μg/m3 (86) 86.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 5.0 μg/m3 (21) 43.0
 
Jan. 21, 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) 2.0 μg/m3 (8) 22.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 4.0 μg/m3 (17) 48.0
 
Jan. 20, 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) 5.0 μg/m3 (21) 22.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 0.0 μg/m3 (0) 30.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) -1.0 μg/m3 (0) 22.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) -4.0 μg/m3 (0) 37.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 0.0 μg/m3 (0) 31.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
Jan. 20, 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) -4.0 μg/m3 (0) 12.0
 
Jan. 20, 2019, 4 p.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 (0) 5.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2019, 1 p.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. 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Jan. 20, 2019, 11 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 (0) 5.0
 
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 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
Jan. 20, 2019, 8 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
 
Jan. 20, 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) 1.0 μg/m3 (4) 13.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Jan. 20, 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) 3.0 μg/m3 (12) 16.0
 
Jan. 20, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) -1.0 μg/m3 (0) 10.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -2.0 μg/m3 (0) 8.0
 
Jan. 19, 2019, 11 p.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 (0) 6.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 3.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 2.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -3.0 μg/m3 (0) 1.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 3.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
Jan. 19, 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) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 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) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -3.0 μg/m3 (0) 11.0
 
Jan. 19, 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) -1.0 μg/m3 (0) 12.0
 
Jan. 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) 1.0 μg/m3 (4) 15.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Jan. 19, 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) 2.0 μg/m3 (8) 10.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 0.0 μg/m3 (0) 17.0
 
Jan. 18, 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) -2.0 μg/m3 (0) 16.0
 
Jan. 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) -1.0 μg/m3 (0) 21.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) -3.0 μg/m3 (0) 36.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -3.0 μg/m3 (0) 11.0
 
Jan. 18, 2019, 7 p.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. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
Jan. 18, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 7.0 μg/m3 (29) 42.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (71) 11.0 μg/m3 (46) 71.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 222.0 μg/m3 (134) 16.0 μg/m3 (59) 134.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) 6.0 μg/m3 (25) 54.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2019, 11 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
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 18.0
 
Jan. 18, 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) 0.0 μg/m3 (0) 13.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 7.0 μg/m3 (29) 52.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 0.0 μg/m3 (0) 27.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 0.0 μg/m3 (0) 18.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 5.0 μg/m3 (21) 68.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 3.0 μg/m3 (12) 30.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Jan. 17, 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) 4.0 μg/m3 (17) 44.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 2.0 μg/m3 (8) 23.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Jan. 17, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 6.0 μg/m3 (25) 52.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 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) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 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) -1.0 μg/m3 (0) 16.0