ID: 2233

AQSQID: 090030025

Site Name: Hartford-Huntley

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

Updated: Jan. 16, 2022, 9:32 a.m.

Location: Hartford (Downtown), CT

Reporting: True, Located: True

Current AQI: 41.0

Hartford (Downtown) CT, US: 41.771444, -72.679923

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2022, 8 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.29 ppb (4) 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A N/A 14.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.25 ppb (3) 14.0 μg/m3 (13) 8.5 μg/m3 (36) 36.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.24 ppb (3) 13.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.23 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.23 ppb (3) 12.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) 11.0 μg/m3 (11) 6.8 μg/m3 (29) 29.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
Jan. 16, 2022, midnight N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) 10.0 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) 11.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (3) 10.0 μg/m3 (10) 5.4 μg/m3 (23) 23.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (3) 11.0 μg/m3 (11) 5.2 μg/m3 (22) 22.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (3) 9.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (3) 8.0 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (3) 9.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 10.0 μg/m3 (10) 4.3 μg/m3 (18) 18.0
 
Jan. 15, 2022, noon N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (3) 9.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) 8.0 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
Jan. 15, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A N/A 9.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 9.0 μg/m3 (9) 3.9 μg/m3 (17) 17.0
 
Jan. 15, 2022, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (3) 9.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
Jan. 15, 2022, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 9.0 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
Jan. 15, 2022, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) 8.0 μg/m3 (8) 3.2 μg/m3 (14) 14.0
 
Jan. 15, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) 3.9 μg/m3 (17) 17.0
 
Jan. 15, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 12.0 μg/m3 (12) 6.8 μg/m3 (29) 29.0
 
Jan. 15, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) 14.0 μg/m3 (13) 9.7 μg/m3 (41) 41.0
 
Jan. 14, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (3) 15.0 μg/m3 (14) 10.1 μg/m3 (43) 43.0
 
Jan. 14, 2022, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (3) 14.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (3) 10.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (3) 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (3) 14.0 μg/m3 (13) 9.3 μg/m3 (39) 39.0
 
Jan. 14, 2022, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) 19.0 μg/m3 (18) 12.7 μg/m3 (53) 53.0
 
Jan. 14, 2022, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) 18.0 μg/m3 (17) 12.4 μg/m3 (52) 52.0
 
Jan. 14, 2022, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) 22.0 μg/m3 (21) 14.6 μg/m3 (57) 57.0
 
Jan. 14, 2022, 3 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.31 ppb (4) 25.0 μg/m3 (24) 15.6 μg/m3 (59) 59.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) 25.0 μg/m3 (24) 18.1 μg/m3 (64) 64.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.36 ppb (5) 26.0 μg/m3 (25) 18.1 μg/m3 (64) 64.0
 
Jan. 14, 2022, noon N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) 25.0 μg/m3 (24) 18.1 μg/m3 (64) 64.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.37 ppb (5) 25.0 μg/m3 (24) 17.8 μg/m3 (63) 63.0
 
Jan. 14, 2022, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.33 ppb (4) 22.0 μg/m3 (21) 16.7 μg/m3 (61) 61.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.34 ppb (4) 23.0 μg/m3 (22) 17.3 μg/m3 (62) 62.0
 
Jan. 14, 2022, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.32 ppb (4) 25.0 μg/m3 (24) 18.5 μg/m3 (65) 65.0
 
Jan. 14, 2022, 7 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A N/A 27.0 μg/m3 (25) 19.3 μg/m3 (67) 67.0
 
Jan. 14, 2022, 6 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.46 ppb (6) 32.0 μg/m3 (30) 22.0 μg/m3 (72) 72.0
 
Jan. 14, 2022, 5 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.71 ppb (8) 35.0 μg/m3 (33) 24.5 μg/m3 (78) 78.0
 
Jan. 14, 2022, 4 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.58 ppb (7) 31.0 μg/m3 (29) 22.2 μg/m3 (73) 73.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.98 ppb (12) 31.0 μg/m3 (29) 21.5 μg/m3 (71) 71.0
 
Jan. 14, 2022, 2 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.83 ppb (10) 30.0 μg/m3 (28) 20.1 μg/m3 (68) 68.0
 
Jan. 14, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 1.58 ppb (19) 36.0 μg/m3 (34) 24.4 μg/m3 (77) 77.0
 
Jan. 14, 2022, midnight N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 1.43 ppb (16) 38.0 μg/m3 (36) 23.3 μg/m3 (75) 75.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A 41.0 ppb (39) N/A N/A N/A 1.62 ppb (19) 49.0 μg/m3 (46) 25.9 μg/m3 (81) 81.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.97 ppb (12) 43.0 μg/m3 (40) 22.4 μg/m3 (73) 73.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A 42.0 ppb (40) N/A N/A N/A 1.09 ppb (13) 52.0 μg/m3 (49) 23.9 μg/m3 (76) 76.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 0.77 ppb (10) 47.0 μg/m3 (44) 22.8 μg/m3 (74) 74.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.78 ppb (10) 49.0 μg/m3 (46) 25.1 μg/m3 (79) 79.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.57 ppb (7) 41.0 μg/m3 (38) 24.1 μg/m3 (77) 77.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.77 ppb (10) 57.0 μg/m3 (52) 28.0 μg/m3 (85) 85.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.88 ppb (11) 50.0 μg/m3 (47) 26.9 μg/m3 (83) 83.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.93 ppb (11) 42.0 μg/m3 (39) 26.1 μg/m3 (81) 81.0
 
Jan. 13, 2022, 2 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.89 ppb (11) 42.0 μg/m3 (39) 23.8 μg/m3 (76) 76.0
 
Jan. 13, 2022, 1 p.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.91 ppb (11) 32.0 μg/m3 (30) 20.5 μg/m3 (69) 69.0
 
Jan. 13, 2022, noon N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 1.1 ppb (13) 32.0 μg/m3 (30) 20.1 μg/m3 (68) 68.0
 
Jan. 13, 2022, 11 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.88 ppb (11) 33.0 μg/m3 (31) 19.7 μg/m3 (67) 67.0
 
Jan. 13, 2022, 10 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.76 ppb (10) 40.0 μg/m3 (38) 21.9 μg/m3 (72) 72.0
 
Jan. 13, 2022, 9 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.7 ppb (8) 31.0 μg/m3 (29) 19.7 μg/m3 (67) 67.0
 
Jan. 13, 2022, 8 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.48 ppb (6) 30.0 μg/m3 (28) 18.1 μg/m3 (64) 64.0
 
Jan. 13, 2022, 7 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A N/A N/A 30.0 μg/m3 (28) 17.3 μg/m3 (62) 62.0
 
Jan. 13, 2022, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.43 ppb (5) 29.0 μg/m3 (27) 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2022, 5 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A N/A 0.48 ppb (6) 30.0 μg/m3 (28) 17.4 μg/m3 (63) 63.0
 
Jan. 13, 2022, 4 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A N/A 0.54 ppb (6) 32.0 μg/m3 (30) 16.8 μg/m3 (61) 61.0
 
Jan. 13, 2022, 3 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.54 ppb (6) 32.0 μg/m3 (30) 16.7 μg/m3 (61) 61.0
 
Jan. 13, 2022, 2 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.57 ppb (7) 31.0 μg/m3 (29) 16.9 μg/m3 (62) 62.0
 
Jan. 13, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.54 ppb (6) 31.0 μg/m3 (29) 15.4 μg/m3 (58) 58.0
 
Jan. 13, 2022, midnight N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.61 ppb (7) 32.0 μg/m3 (30) 14.9 μg/m3 (57) 57.0
 
Jan. 12, 2022, 11 p.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.58 ppb (7) 33.0 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2022, 10 p.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.55 ppb (7) 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2022, 9 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.54 ppb (6) 28.0 μg/m3 (26) 11.4 μg/m3 (48) 48.0
 
Jan. 12, 2022, 8 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.52 ppb (6) 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Jan. 12, 2022, 7 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.43 ppb (5) 28.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
Jan. 12, 2022, 6 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.41 ppb (5) 28.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2022, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.35 ppb (4) 27.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
Jan. 12, 2022, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.34 ppb (4) 29.0 μg/m3 (27) 10.3 μg/m3 (43) 43.0
 
Jan. 12, 2022, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.35 ppb (4) 32.0 μg/m3 (30) 10.5 μg/m3 (44) 44.0
 
Jan. 12, 2022, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.44 ppb (5) 35.0 μg/m3 (33) 12.5 μg/m3 (52) 52.0
 
Jan. 12, 2022, 1 p.m. N/A N/A N/A 33.0 ppb (32) N/A N/A N/A 0.69 ppb (8) 32.0 μg/m3 (30) 13.7 μg/m3 (55) 55.0
 
Jan. 12, 2022, noon N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 0.78 ppb (10) 28.0 μg/m3 (26) 13.3 μg/m3 (54) 54.0
 
Jan. 12, 2022, 11 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.57 ppb (7) 23.0 μg/m3 (22) 11.7 μg/m3 (49) 49.0
 
Jan. 12, 2022, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.47 ppb (6) 23.0 μg/m3 (22) 11.2 μg/m3 (47) 47.0
 
Jan. 12, 2022, 9 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.4 ppb (5) 24.0 μg/m3 (23) 12.4 μg/m3 (52) 52.0
 
Jan. 12, 2022, 8 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.31 ppb (4) 20.0 μg/m3 (19) 11.7 μg/m3 (49) 49.0
 
Jan. 12, 2022, 7 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A N/A 23.0 μg/m3 (22) 12.7 μg/m3 (53) 53.0
 
Jan. 12, 2022, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.35 ppb (4) 22.0 μg/m3 (21) 13.4 μg/m3 (54) 54.0
 
Jan. 12, 2022, 5 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A N/A 0.44 ppb (5) 23.0 μg/m3 (22) 14.1 μg/m3 (56) 56.0
 
Jan. 12, 2022, 4 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.44 ppb (5) 21.0 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
Jan. 12, 2022, 3 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.32 ppb (4) 19.0 μg/m3 (18) 10.5 μg/m3 (44) 44.0
 
Jan. 12, 2022, 2 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.29 ppb (4) 17.0 μg/m3 (16) 8.4 μg/m3 (36) 36.0
 
Jan. 12, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (4) 18.0 μg/m3 (17) 7.5 μg/m3 (32) 32.0
 
Jan. 12, 2022, midnight N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (4) 16.0 μg/m3 (15) 6.8 μg/m3 (29) 29.0
 
Jan. 11, 2022, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.27 ppb (4) 12.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
Jan. 11, 2022, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.24 ppb (3) 11.0 μg/m3 (11) 4.9 μg/m3 (21) 21.0
 
Jan. 11, 2022, 9 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.21 ppb (3) 12.0 μg/m3 (12) 4.9 μg/m3 (21) 21.0
 
Jan. 11, 2022, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.02 ppb (0) 12.0 μg/m3 (12) 4.7 μg/m3 (20) 20.0
 
Jan. 11, 2022, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.05 ppb (2) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
Jan. 11, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) 14.0 μg/m3 (13) 4.9 μg/m3 (21) 21.0
 
Jan. 11, 2022, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (3) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) 13.0 μg/m3 (13) 4.8 μg/m3 (20) 20.0
 
Jan. 11, 2022, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.15 ppb (2) 14.0 μg/m3 (13) 4.9 μg/m3 (21) 21.0
 
Jan. 11, 2022, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (3) 12.0 μg/m3 (12) 4.4 μg/m3 (19) 19.0
 
Jan. 11, 2022, noon N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) 9.0 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
Jan. 11, 2022, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) 8.0 μg/m3 (8) 3.3 μg/m3 (14) 14.0
 
Jan. 11, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (3) 7.0 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
Jan. 11, 2022, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 6.0 μg/m3 (6) 3.2 μg/m3 (14) 14.0
 
Jan. 11, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) 7.0 μg/m3 (7) 3.6 μg/m3 (16) 16.0
 
Jan. 11, 2022, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A N/A 10.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
Jan. 11, 2022, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 22.0
 
Jan. 11, 2022, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 6.3 μg/m3 (27) 27.0
 
Jan. 11, 2022, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
Jan. 11, 2022, 3 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.36 ppb (5) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2022, 2 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.31 ppb (4) 13.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
Jan. 11, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.43 ppb (5) 17.0 μg/m3 (16) 6.2 μg/m3 (26) 26.0
 
Jan. 11, 2022, midnight N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.28 ppb (4) 12.0 μg/m3 (12) 4.7 μg/m3 (20) 20.0
 
Jan. 10, 2022, 11 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.28 ppb (4) 12.0 μg/m3 (12) 4.2 μg/m3 (18) 18.0
 
Jan. 10, 2022, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.33 ppb (4) 17.0 μg/m3 (16) 4.7 μg/m3 (20) 20.0
 
Jan. 10, 2022, 9 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.27 ppb (4) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2022, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) 12.0 μg/m3 (12) 3.5 μg/m3 (15) 15.0
 
Jan. 10, 2022, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (3) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
Jan. 10, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (3) 6.0 μg/m3 (6) 2.7 μg/m3 (12) 12.0
 
Jan. 10, 2022, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) 2.9 μg/m3 (13) 13.0
 
Jan. 10, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (3) 7.0 μg/m3 (7) 2.8 μg/m3 (12) 12.0
 
Jan. 10, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (3) 8.0 μg/m3 (8) 3.2 μg/m3 (14) 14.0
 
Jan. 10, 2022, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (3) 8.0 μg/m3 (8) 2.7 μg/m3 (12) 12.0
 
Jan. 10, 2022, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) 8.0 μg/m3 (8) 2.7 μg/m3 (12) 12.0
 
Jan. 10, 2022, noon N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (3) 6.0 μg/m3 (6) 2.3 μg/m3 (10) 10.0
 
Jan. 10, 2022, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.15 ppb (2) 6.0 μg/m3 (6) 2.4 μg/m3 (10) 10.0
 
Jan. 10, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
Jan. 10, 2022, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) 7.0 μg/m3 (7) 3.4 μg/m3 (15) 15.0
 
Jan. 10, 2022, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.13 ppb (2) 8.0 μg/m3 (8) 4.9 μg/m3 (21) 21.0
 
Jan. 10, 2022, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A 10.0 μg/m3 (10) 7.5 μg/m3 (32) 32.0
 
Jan. 10, 2022, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) 12.0 μg/m3 (12) 9.3 μg/m3 (39) 39.0
 
Jan. 10, 2022, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (3) 12.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Jan. 10, 2022, 4 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.33 ppb (4) 22.0 μg/m3 (21) 15.8 μg/m3 (59) 59.0
 
Jan. 10, 2022, 3 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.34 ppb (4) 27.0 μg/m3 (25) 16.8 μg/m3 (61) 61.0
 
Jan. 10, 2022, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.35 ppb (4) 28.0 μg/m3 (26) 18.0 μg/m3 (64) 64.0
 
Jan. 10, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.38 ppb (5) 39.0 μg/m3 (37) 20.3 μg/m3 (69) 69.0
 
Jan. 10, 2022, midnight N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.37 ppb (5) 46.0 μg/m3 (43) 21.0 μg/m3 (70) 70.0
 
Jan. 9, 2022, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.37 ppb (5) 53.0 μg/m3 (50) 21.9 μg/m3 (72) 72.0
 
Jan. 9, 2022, 10 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.39 ppb (5) 28.0 μg/m3 (26) 14.9 μg/m3 (57) 57.0
 
Jan. 9, 2022, 9 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) 18.0 μg/m3 (17) 12.1 μg/m3 (51) 51.0
 
Jan. 9, 2022, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.46 ppb (6) 19.0 μg/m3 (18) 11.5 μg/m3 (48) 48.0
 
Jan. 9, 2022, 7 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.41 ppb (5) 16.0 μg/m3 (15) 10.2 μg/m3 (43) 43.0
 
Jan. 9, 2022, 6 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.35 ppb (4) 19.0 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
Jan. 9, 2022, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.32 ppb (4) 35.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2022, 4 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) 23.0 μg/m3 (22) 8.4 μg/m3 (36) 36.0
 
Jan. 9, 2022, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 33.0 μg/m3 (31) 9.3 μg/m3 (39) 39.0
 
Jan. 9, 2022, 2 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.25 ppb (3) 13.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Jan. 9, 2022, 1 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.25 ppb (3) 20.0 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
Jan. 9, 2022, noon N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.23 ppb (3) 19.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
Jan. 9, 2022, 11 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.25 ppb (3) 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2022, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.27 ppb (4) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2022, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.3 ppb (4) 21.0 μg/m3 (20) 10.2 μg/m3 (43) 43.0