ID: 265

AQSQID: 090011123

Site Name: Danbury

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 24, 2022, 10:35 a.m.

Location: Danbury (Germantown), CT

Reporting: True, Located: True

Current AQI: 74.0

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. 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 22.7 μg/m3 (74) 74.0
 
Jan. 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 26.9 μg/m3 (83) 83.0
 
Jan. 24, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 27.7 μg/m3 (84) 84.0
 
Jan. 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 31.7 μg/m3 (93) 93.0
 
Jan. 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 23.7 μg/m3 (76) 76.0
 
Jan. 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 21.9 μg/m3 (72) 72.0
 
Jan. 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 19.5 μg/m3 (67) 67.0
 
Jan. 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 18.4 μg/m3 (65) 65.0
 
Jan. 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 17.9 μg/m3 (64) 64.0
 
Jan. 24, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 15.4 μg/m3 (58) 58.0
 
Jan. 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 14.1 μg/m3 (56) 56.0
 
Jan. 23, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 11.3 μg/m3 (48) 48.0
 
Jan. 23, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 11.2 μg/m3 (47) 47.0
 
Jan. 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 12.7 μg/m3 (53) 53.0
 
Jan. 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 12.7 μg/m3 (53) 53.0
 
Jan. 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 12.8 μg/m3 (53) 53.0
 
Jan. 23, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 13.5 μg/m3 (54) 54.0
 
Jan. 23, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 14.2 μg/m3 (56) 56.0
 
Jan. 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 13.2 μg/m3 (54) 54.0
 
Jan. 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 12.6 μg/m3 (53) 53.0
 
Jan. 23, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 12.8 μg/m3 (53) 53.0
 
Jan. 23, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 19.2 μg/m3 (66) 66.0
 
Jan. 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
Jan. 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 14.4 μg/m3 (56) 56.0
 
Jan. 23, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 14.9 μg/m3 (57) 57.0
 
Jan. 23, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 18.5 μg/m3 (65) 65.0
 
Jan. 23, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 21.6 μg/m3 (71) 71.0
 
Jan. 23, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 25.1 μg/m3 (79) 79.0
 
Jan. 23, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 31.7 μg/m3 (93) 93.0
 
Jan. 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 31.3 μg/m3 (92) 92.0
 
Jan. 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 25.0 μg/m3 (79) 79.0
 
Jan. 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 21.1 μg/m3 (70) 70.0
 
Jan. 23, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 20.6 μg/m3 (69) 69.0
 
Jan. 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 14.0 μg/m3 (55) 55.0
 
Jan. 22, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 9.1 μg/m3 (38) 38.0
 
Jan. 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 7.2 μg/m3 (31) 31.0
 
Jan. 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
Jan. 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.3 μg/m3 (27) 27.0
 
Jan. 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
Jan. 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Jan. 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.2 μg/m3 (31) 31.0
 
Jan. 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
Jan. 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
Jan. 22, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 12.2 μg/m3 (52) 52.0
 
Jan. 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 13.7 μg/m3 (55) 55.0
 
Jan. 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 11.9 μg/m3 (50) 50.0
 
Jan. 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 10.4 μg/m3 (44) 44.0
 
Jan. 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.9 μg/m3 (38) 38.0
 
Jan. 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 10.1 μg/m3 (43) 43.0
 
Jan. 22, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 10.5 μg/m3 (44) 44.0
 
Jan. 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 9.3 μg/m3 (39) 39.0
 
Jan. 22, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
Jan. 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 9.2 μg/m3 (39) 39.0
 
Jan. 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
Jan. 22, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 8.6 μg/m3 (36) 36.0
 
Jan. 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 8.5 μg/m3 (36) 36.0
 
Jan. 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 7.8 μg/m3 (33) 33.0
 
Jan. 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 7.1 μg/m3 (30) 30.0
 
Jan. 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.7 μg/m3 (24) 24.0
 
Jan. 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
Jan. 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 5.6 μg/m3 (24) 24.0
 
Jan. 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.8 μg/m3 (25) 25.0
 
Jan. 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.9 μg/m3 (25) 25.0
 
Jan. 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 6.1 μg/m3 (26) 26.0
 
Jan. 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 6.4 μg/m3 (27) 27.0
 
Jan. 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.6 μg/m3 (24) 24.0
 
Jan. 21, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.3 μg/m3 (23) 23.0
 
Jan. 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.6 μg/m3 (16) 16.0
 
Jan. 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Jan. 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.9 μg/m3 (21) 21.0
 
Jan. 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 6.1 μg/m3 (26) 26.0
 
Jan. 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
Jan. 20, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 8.9 μg/m3 (38) 38.0
 
Jan. 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 11.2 μg/m3 (47) 47.0
 
Jan. 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
Jan. 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.4 μg/m3 (40) 40.0
 
Jan. 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.7 μg/m3 (41) 41.0
 
Jan. 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Jan. 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 8.9 μg/m3 (38) 38.0
 
Jan. 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 9.4 μg/m3 (40) 40.0
 
Jan. 20, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 9.9 μg/m3 (42) 42.0
 
Jan. 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 9.9 μg/m3 (42) 42.0
 
Jan. 20, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 10.1 μg/m3 (43) 43.0
 
Jan. 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 10.1 μg/m3 (43) 43.0
 
Jan. 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
Jan. 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
Jan. 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.7 μg/m3 (37) 37.0
 
Jan. 19, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 8.4 μg/m3 (36) 36.0
 
Jan. 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.1 μg/m3 (43) 43.0
 
Jan. 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.6 μg/m3 (45) 45.0
 
Jan. 19, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 9.4 μg/m3 (40) 40.0
 
Jan. 19, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 11.9 μg/m3 (50) 50.0
 
Jan. 19, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 17.9 μg/m3 (64) 64.0
 
Jan. 19, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 15.3 μg/m3 (58) 58.0
 
Jan. 19, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 16.3 μg/m3 (60) 60.0
 
Jan. 19, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 15.7 μg/m3 (59) 59.0
 
Jan. 19, 2022, 7 a.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 (46) 46.0
 
Jan. 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Jan. 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Jan. 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.8 μg/m3 (20) 20.0
 
Jan. 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.1 μg/m3 (18) 18.0
 
Jan. 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
Jan. 19, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.3 μg/m3 (14) 14.0
 
Jan. 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.1 μg/m3 (13) 13.0
 
Jan. 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.4 μg/m3 (10) 12.0
 
Jan. 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.3 μg/m3 (10) 10.0
 
Jan. 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 1.8 μg/m3 (8) 10.0
 
Jan. 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 8.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 1.8 μg/m3 (8) 8.0
 
Jan. 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 8.0
 
Jan. 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 1.9 μg/m3 (8) 10.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.5 μg/m3 (11) 11.0
 
Jan. 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.4 μg/m3 (15) 15.0
 
Jan. 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.7 μg/m3 (16) 16.0
 
Jan. 18, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Jan. 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.6 μg/m3 (16) 16.0
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
Jan. 18, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.4 μg/m3 (15) 15.0
 
Jan. 18, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.9 μg/m3 (13) 13.0
 
Jan. 18, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.2 μg/m3 (10) 10.0
 
Jan. 18, 2022, 5 a.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 (10) 10.0
 
Jan. 18, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.8 μg/m3 (8) 8.0
 
Jan. 18, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.5 μg/m3 (7) 7.0
 
Jan. 18, 2022, 2 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 (8) 8.0
 
Jan. 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.5 μg/m3 (11) 11.0
 
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.8 μg/m3 (16) 16.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 9.4 μg/m3 (40) 40.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 10.1 μg/m3 (43) 43.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.7 μg/m3 (16) 16.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.1 μg/m3 (18) 18.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Jan. 17, 2022, 11 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, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.4 μg/m3 (15) 15.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.8 μg/m3 (8) 8.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.9 μg/m3 (13) 13.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.4 μg/m3 (19) 19.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Jan. 17, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.7 μg/m3 (41) 41.0
 
Jan. 16, 2022, 11 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 (36) 36.0
 
Jan. 16, 2022, 10 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 (36) 36.0
 
Jan. 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
Jan. 16, 2022, 8 p.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. 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 7.2 μg/m3 (31) 31.0