AQSQID: 090011123

Site Name: Danbury

Location: Danbury, CT

Reporting: True, Located: True

Current AQI: 48.0

Danbury CT, US: 41.4014, -73.4447

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 11.5 μg/m3 (48) 48.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 25.5 μg/m3 (79) 79.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 27.3 μg/m3 (83) 83.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 24.5 μg/m3 (77) 77.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 25.1 μg/m3 (78) 78.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 21.6 μg/m3 (70) 70.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 22.3 μg/m3 (72) 72.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 25.4 μg/m3 (79) 79.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 24.0 μg/m3 (76) 76.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 22.2 μg/m3 (72) 72.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 20.5 μg/m3 (68) 68.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 17.3 μg/m3 (61) 61.0
 
Jan. 19, 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) 17.6 μg/m3 (62) 62.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 19.1 μg/m3 (65) 65.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 21.2 μg/m3 (70) 70.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 21.6 μg/m3 (70) 70.0
 
Jan. 18, 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) 18.6 μg/m3 (64) 64.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 15.4 μg/m3 (57) 57.0
 
Jan. 18, 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) 11.2 μg/m3 (47) 47.0
 
Jan. 18, 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) 7.5 μg/m3 (31) 31.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 18, 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) 7.4 μg/m3 (31) 31.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 13.4 μg/m3 (53) 53.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 12.8 μg/m3 (52) 52.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 12.9 μg/m3 (52) 52.0
 
Jan. 18, 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) 13.1 μg/m3 (52) 52.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 13.6 μg/m3 (53) 53.0
 
Jan. 18, 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) 11.4 μg/m3 (48) 48.0
 
Jan. 18, 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) 11.3 μg/m3 (47) 47.0
 
Jan. 18, 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) 11.4 μg/m3 (48) 48.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 13.6 μg/m3 (53) 53.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 13.3 μg/m3 (53) 53.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 12.5 μg/m3 (51) 51.0
 
Jan. 18, 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) 13.1 μg/m3 (52) 52.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.4 μg/m3 (48) 48.0
 
Jan. 18, 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) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
Jan. 18, 2019, midnight 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. 17, 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) 6.6 μg/m3 (28) 28.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Jan. 17, 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) 5.8 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 17.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.6 μg/m3 (19) 19.0
 
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) 4.3 μg/m3 (18) 18.0
 
Jan. 17, 2019, 5 p.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. 17, 2019, 4 p.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
 
Jan. 17, 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) 4.1 μg/m3 (17) 17.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.4 μg/m3 (18) 18.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.9 μg/m3 (20) 20.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 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 9.0 μg/m3 (8) 4.4 μg/m3 (18) 18.0
 
Jan. 17, 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) 4.5 μg/m3 (19) 19.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0
 
Jan. 17, 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) 4.5 μg/m3 (19) 19.0
 
Jan. 17, 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) 4.2 μg/m3 (18) 18.0
 
Jan. 17, 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) 4.1 μg/m3 (17) 17.0
 
Jan. 17, 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) 3.8 μg/m3 (16) 16.0
 
Jan. 17, 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) 4.8 μg/m3 (20) 20.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.8 μg/m3 (24) 24.0
 
Jan. 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) 5.6 μg/m3 (23) 23.0
 
Jan. 17, 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) 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2019, midnight 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. 16, 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. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.5 μg/m3 (15) 15.0
 
Jan. 16, 2019, 9 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. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
Jan. 16, 2019, 7 p.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, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 8.5 μg/m3 (35) 35.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 15.9 μg/m3 (58) 58.0
 
Jan. 16, 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) 21.0 μg/m3 (69) 69.0
 
Jan. 16, 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) 25.1 μg/m3 (78) 78.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 25.5 μg/m3 (79) 79.0
 
Jan. 16, 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) 24.7 μg/m3 (77) 77.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 23.7 μg/m3 (75) 75.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 28.0 μg/m3 (84) 84.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 47.4 μg/m3 (130) 130.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 34.7 μg/m3 (98) 98.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 52.3 μg/m3 (142) 142.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 30.8 μg/m3 (90) 90.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 32.3 μg/m3 (93) 93.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 31.7 μg/m3 (92) 92.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 35.5 μg/m3 (100) 100.0
 
Jan. 16, 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) 26.1 μg/m3 (80) 80.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 29.9 μg/m3 (88) 88.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 22.5 μg/m3 (72) 72.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 22.0 μg/m3 (71) 71.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 18.5 μg/m3 (64) 64.0
 
Jan. 15, 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) 14.5 μg/m3 (55) 55.0
 
Jan. 15, 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) 14.9 μg/m3 (56) 56.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 17.6 μg/m3 (62) 62.0
 
Jan. 15, 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) 16.6 μg/m3 (60) 60.0
 
Jan. 15, 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) 14.2 μg/m3 (55) 55.0
 
Jan. 15, 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) 11.9 μg/m3 (50) 50.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.2 μg/m3 (38) 38.0
 
Jan. 15, 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) 8.4 μg/m3 (35) 35.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 8.1 μg/m3 (34) 34.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 13.4 μg/m3 (53) 53.0
 
Jan. 15, 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) 14.1 μg/m3 (54) 54.0
 
Jan. 15, 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) 12.8 μg/m3 (52) 52.0
 
Jan. 15, 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) 13.8 μg/m3 (54) 54.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 14.1 μg/m3 (54) 54.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 13.5 μg/m3 (53) 53.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 31.7 μg/m3 (92) 92.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 44.0 μg/m3 (121) 121.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 16.1 μg/m3 (59) 59.0
 
Jan. 15, 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) 13.8 μg/m3 (54) 54.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
Jan. 15, 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) 12.7 μg/m3 (51) 51.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
Jan. 14, 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) 6.8 μg/m3 (28) 28.0
 
Jan. 14, 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) 4.3 μg/m3 (18) 18.0
 
Jan. 14, 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) 3.7 μg/m3 (15) 15.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 20.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
Jan. 14, 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) 5.2 μg/m3 (22) 22.0
 
Jan. 14, 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) 5.4 μg/m3 (23) 23.0
 
Jan. 14, 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) 5.2 μg/m3 (22) 22.0
 
Jan. 14, 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) 6.5 μg/m3 (27) 27.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.4 μg/m3 (35) 35.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 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) 6.9 μg/m3 (29) 29.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.6 μg/m3 (28) 28.0
 
Jan. 14, 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) 7.1 μg/m3 (30) 30.0
 
Jan. 14, 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) 9.1 μg/m3 (38) 38.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.7 μg/m3 (36) 36.0
 
Jan. 14, 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) 9.2 μg/m3 (38) 38.0
 
Jan. 14, 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) 8.5 μg/m3 (35) 35.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.7 μg/m3 (36) 36.0
 
Jan. 14, 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) 8.5 μg/m3 (35) 35.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
Jan. 13, 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) 6.6 μg/m3 (28) 28.0
 
Jan. 13, 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. 13, 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) 5.2 μg/m3 (22) 22.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.4 μg/m3 (18) 18.0
 
Jan. 13, 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) 4.1 μg/m3 (17) 17.0
 
Jan. 13, 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) 3.8 μg/m3 (16) 16.0
 
Jan. 13, 2019, 5 p.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
 
Jan. 13, 2019, 4 p.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. 13, 2019, 3 p.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. 13, 2019, 2 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. 13, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2019, noon 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
 
Jan. 13, 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) 3.4 μg/m3 (14) 14.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.8 μg/m3 (16) 16.0
 
Jan. 13, 2019, 9 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. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.8 μg/m3 (16) 16.0
 
Jan. 13, 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) 4.1 μg/m3 (17) 17.0
 
Jan. 13, 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) 3.7 μg/m3 (15) 15.0
 
Jan. 13, 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) 4.4 μg/m3 (18) 18.0
 
Jan. 13, 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) 4.6 μg/m3 (19) 19.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.9 μg/m3 (20) 20.0
 
Jan. 13, 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) 5.2 μg/m3 (22) 22.0
 
Jan. 13, 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) 8.5 μg/m3 (35) 35.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
Jan. 12, 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) 7.1 μg/m3 (30) 30.0
 
Jan. 12, 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) 5.4 μg/m3 (23) 23.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.7 μg/m3 (20) 20.0
 
Jan. 12, 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) 4.9 μg/m3 (20) 20.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
Jan. 12, 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) 4.7 μg/m3 (20) 20.0