AQSQID: 090011123

Site Name: Danbury

Location: Danbury (Germantown), CT

Reporting: True, Located: True

Current AQI: 89.0

Danbury (Germantown) CT, US: 41.4014, -73.4447

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 30.1 μg/m3 (89) 89.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 28.3 μg/m3 (85) 85.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 31.0 μg/m3 (90) 90.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 21.2 μg/m3 (70) 70.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 27.3 μg/m3 (83) 83.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 27.2 μg/m3 (82) 82.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 25.9 μg/m3 (80) 80.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 17.1 μg/m3 (61) 61.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 15.3 μg/m3 (57) 57.0
 
Jan. 22, 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) 16.6 μg/m3 (60) 60.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 16.8 μg/m3 (60) 60.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 17.3 μg/m3 (61) 61.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 11.6 μg/m3 (48) 48.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.7 μg/m3 (24) 24.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
Jan. 21, 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) 3.7 μg/m3 (15) 15.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.7 μg/m3 (15) 15.0
 
Jan. 21, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.1 μg/m3 (17) 17.0
 
Jan. 17, 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) 3.3 μg/m3 (14) 14.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.1 μg/m3 (13) 13.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 10.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 8.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.5 μg/m3 (6) 6.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.3 μg/m3 (5) 5.0
 
Jan. 17, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.1 μg/m3 (5) 5.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 7.0
 
Jan. 16, 2020, 10 p.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. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.1 μg/m3 (9) 9.0
 
Jan. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
Jan. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.1 μg/m3 (5) 5.0
 
Jan. 16, 2020, 6 p.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 (5) 5.0
 
Jan. 16, 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) 1.7 μg/m3 (7) 7.0
 
Jan. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
Jan. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
Jan. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
Jan. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 20.2 μg/m3 (67) 67.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 18.9 μg/m3 (65) 65.0
 
Jan. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 17.4 μg/m3 (61) 61.0
 
Jan. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 20.3 μg/m3 (68) 68.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 18.5 μg/m3 (64) 64.0
 
Jan. 16, 2020, 7 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. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 21.5 μg/m3 (70) 70.0
 
Jan. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 24.2 μg/m3 (76) 76.0
 
Jan. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 29.3 μg/m3 (87) 87.0
 
Jan. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 29.0 μg/m3 (86) 86.0
 
Jan. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 21.3 μg/m3 (70) 70.0
 
Jan. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 18.7 μg/m3 (64) 64.0
 
Jan. 16, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 17.8 μg/m3 (62) 62.0
 
Jan. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 15.7 μg/m3 (58) 58.0
 
Jan. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 12.3 μg/m3 (51) 51.0
 
Jan. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Jan. 15, 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) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 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) 9.7 μg/m3 (40) 40.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 9.7 μg/m3 (40) 40.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
Jan. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 11.9 μg/m3 (50) 50.0
 
Jan. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.2 μg/m3 (55) 55.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 11.8 μg/m3 (49) 49.0
 
Jan. 15, 2020, 10 a.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, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.2 μg/m3 (42) 42.0
 
Jan. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Jan. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 12.8 μg/m3 (52) 52.0
 
Jan. 15, 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) 11.8 μg/m3 (49) 49.0
 
Jan. 15, 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) 12.4 μg/m3 (51) 51.0
 
Jan. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 12.4 μg/m3 (51) 51.0
 
Jan. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.1 μg/m3 (54) 54.0
 
Jan. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.4 μg/m3 (55) 55.0
 
Jan. 15, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 12.9 μg/m3 (52) 52.0
 
Jan. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.9 μg/m3 (45) 45.0
 
Jan. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.8 μg/m3 (41) 41.0
 
Jan. 14, 2020, 9 p.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. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.7 μg/m3 (32) 32.0
 
Jan. 14, 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) 8.2 μg/m3 (34) 34.0
 
Jan. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.5 μg/m3 (31) 31.0
 
Jan. 14, 2020, 5 p.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. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
Jan. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 12.2 μg/m3 (50) 50.0
 
Jan. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
Jan. 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
Jan. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.1 μg/m3 (42) 42.0
 
Jan. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
Jan. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.8 μg/m3 (45) 45.0
 
Jan. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 10.1 μg/m3 (42) 42.0
 
Jan. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 8.4 μg/m3 (35) 35.0
 
Jan. 14, 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) 8.5 μg/m3 (35) 35.0
 
Jan. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.2 μg/m3 (42) 42.0
 
Jan. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Jan. 14, 2020, 3 a.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. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 14.6 μg/m3 (56) 56.0
 
Jan. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 16.7 μg/m3 (60) 60.0
 
Jan. 14, 2020, midnight 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. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 14.1 μg/m3 (54) 54.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 12.1 μg/m3 (50) 50.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 9.4 μg/m3 (39) 39.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.8 μg/m3 (37) 37.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 8.4 μg/m3 (35) 35.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 8.6 μg/m3 (36) 36.0
 
Jan. 13, 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) 8.6 μg/m3 (36) 36.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 7.3 μg/m3 (30) 30.0
 
Jan. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
Jan. 13, 2020, noon 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, 2020, 11 a.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. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.3 μg/m3 (30) 30.0
 
Jan. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
Jan. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
Jan. 13, 2020, 6 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. 13, 2020, 5 a.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. 13, 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) 4.7 μg/m3 (20) 20.0
 
Jan. 13, 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) 4.1 μg/m3 (17) 17.0
 
Jan. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
Jan. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.7 μg/m3 (11) 11.0
 
Jan. 13, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
Jan. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
Jan. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.1 μg/m3 (9) 9.0
 
Jan. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.5 μg/m3 (6) 6.0
 
Jan. 12, 2020, 8 p.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. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 5.0
 
Jan. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 4.0
 
Jan. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
Jan. 12, 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) 1.5 μg/m3 (6) 6.0
 
Jan. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
Jan. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.3 μg/m3 (14) 14.0
 
Jan. 12, 2020, noon 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. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
Jan. 12, 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) 8.3 μg/m3 (35) 35.0
 
Jan. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
Jan. 12, 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) 8.6 μg/m3 (36) 36.0
 
Jan. 12, 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) 10.1 μg/m3 (42) 42.0
 
Jan. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
Jan. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
Jan. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 10.5 μg/m3 (44) 44.0
 
Jan. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 9.8 μg/m3 (41) 41.0
 
Jan. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 9.1 μg/m3 (38) 38.0
 
Jan. 12, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.2 μg/m3 (34) 34.0
 
Jan. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.2 μg/m3 (34) 34.0
 
Jan. 11, 2020, 7 p.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
 
Jan. 11, 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) 6.5 μg/m3 (27) 27.0
 
Jan. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
Jan. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
Jan. 11, 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) 6.9 μg/m3 (29) 29.0
 
Jan. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
Jan. 11, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 8.9 μg/m3 (37) 37.0
 
Jan. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
Jan. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
Jan. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Jan. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.5 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 17.0 μg/m3 (15) 9.7 μg/m3 (40) 40.0
 
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) 8.8 μg/m3 (37) 37.0
 
Jan. 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 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 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0