ID: 318

AQSQID: 130890002

Site Name: South Dekalb

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

Updated: Jan. 24, 2022, 11:36 a.m.

Location: Decatur (Clifton Spgs Rd), GA

Reporting: True, Located: True

Current AQI: 104.0

Decatur (Clifton Spgs Rd) GA, US: 33.6906, -84.2731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2022, 10 a.m. 113.6 ppb (104) 82.1 ppb (81) 102.0 ppb (102) 31.0 ppb (30) N/A 0.0 ppb (0) 0.0 ppb (0) 0.52 ppb (6) N/A N/A 104.0
 
Jan. 24, 2022, 9 a.m. 73.3 ppb (72) 44.6 ppb (43) 66.0 ppb (64) 29.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) 20.0 μg/m3 (19) 13.8 μg/m3 (55) 72.0
 
Jan. 24, 2022, 8 a.m. 62.9 ppb (61) 33.8 ppb (32) 71.0 ppb (70) 29.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) 22.0 μg/m3 (21) 16.2 μg/m3 (60) 70.0
 
Jan. 24, 2022, 7 a.m. 32.1 ppb (31) 4.3 ppb (5) 35.0 ppb (34) 28.0 ppb (27) N/A 0.0 ppb (0) 0.0 ppb (0) 0.36 ppb (5) 22.0 μg/m3 (21) 16.1 μg/m3 (60) 60.0
 
Jan. 24, 2022, 6 a.m. 32.3 ppb (31) 4.0 ppb (4) 34.0 ppb (33) 28.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.39 ppb (5) 23.0 μg/m3 (22) 15.5 μg/m3 (59) 59.0
 
Jan. 24, 2022, 5 a.m. 43.9 ppb (42) 13.5 ppb (13) 39.0 ppb (37) 30.0 ppb (29) N/A 0.0 ppb (0) 0.0 ppb (0) 0.48 ppb (6) 27.0 μg/m3 (25) 19.3 μg/m3 (67) 67.0
 
Jan. 24, 2022, 4 a.m. 42.9 ppb (41) 6.4 ppb (7) 40.0 ppb (38) 37.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.43 ppb (5) N/A 19.6 μg/m3 (67) 67.0
 
Jan. 24, 2022, 3 a.m. 28.6 ppb (27) 1.9 ppb (2) 24.0 ppb (23) 27.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (9) 0.35 ppb (4) 21.0 μg/m3 (20) 15.5 μg/m3 (59) 59.0
 
Jan. 24, 2022, 2 a.m. 36.9 ppb (35) 1.6 ppb (2) 38.0 ppb (36) 35.0 ppb (34) N/A 0.0 ppb (0) 3.0 ppb (3) 0.37 ppb (5) 27.0 μg/m3 (25) 19.8 μg/m3 (68) 68.0
 
Jan. 24, 2022, 1 a.m. 23.2 ppb (22) -0.3 ppb (0) 27.0 ppb (26) 24.0 ppb (23) N/A 0.0 ppb (0) 15.0 ppb (14) 0.31 ppb (4) 25.0 μg/m3 (24) 20.3 μg/m3 (69) 69.0
 
Jan. 24, 2022, midnight 10.7 ppb (11) -0.4 ppb (0) 9.0 ppb (9) 11.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) 18.0 μg/m3 (17) 13.7 μg/m3 (55) 55.0
 
Jan. 23, 2022, 11 p.m. 8.5 ppb (9) -0.4 ppb (0) 6.0 ppb (6) 9.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Jan. 23, 2022, 10 p.m. 5.3 ppb (5) -0.3 ppb (0) 4.0 ppb (4) 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 33.0
 
Jan. 23, 2022, 9 p.m. 4.1 ppb (4) -0.2 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 36.0
 
Jan. 23, 2022, 8 p.m. 3.5 ppb (4) -0.2 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 10.0 μg/m3 (10) 6.2 μg/m3 (26) 37.0
 
Jan. 23, 2022, 7 p.m. 3.6 ppb (4) -0.1 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 37.0
 
Jan. 23, 2022, 6 p.m. 6.5 ppb (7) 0.7 ppb (1) 4.0 ppb (4) 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 9.0 μg/m3 (9) 5.9 μg/m3 (25) 34.0
 
Jan. 23, 2022, 5 p.m. 15.8 ppb (15) 3.9 ppb (4) 14.0 ppb (14) 12.0 ppb (12) N/A 1.0 ppb (2) 28.0 ppb (26) 0.17 ppb (3) 10.0 μg/m3 (10) 7.2 μg/m3 (31) 31.0
 
Jan. 23, 2022, 4 p.m. 8.9 ppb (9) 1.5 ppb (2) 7.0 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 10.0 μg/m3 (10) 7.8 μg/m3 (33) 33.0
 
Jan. 23, 2022, 3 p.m. 13.3 ppb (13) 3.2 ppb (4) 11.0 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 14.0 μg/m3 (13) 10.9 μg/m3 (46) 46.0
 
Jan. 23, 2022, 2 p.m. 14.3 ppb (14) 3.2 ppb (4) 12.0 ppb (12) 11.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 16.0 μg/m3 (15) 13.3 μg/m3 (54) 54.0
 
Jan. 23, 2022, 1 p.m. 25.0 ppb (24) 5.2 ppb (5) 22.0 ppb (21) 20.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (7) N/A 17.0 μg/m3 (16) 14.9 μg/m3 (57) 57.0
 
Jan. 23, 2022, noon 27.7 ppb (27) 3.5 ppb (4) 27.0 ppb (26) 24.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (4) 17.0 μg/m3 (16) 15.4 μg/m3 (58) 58.0
 
Jan. 23, 2022, 11 a.m. 29.8 ppb (29) 6.2 ppb (6) 26.0 ppb (25) 24.0 ppb (23) N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) 20.0 μg/m3 (19) 17.2 μg/m3 (62) 62.0
 
Jan. 23, 2022, 10 a.m. 39.1 ppb (37) 14.7 ppb (14) 37.0 ppb (35) 24.0 ppb (23) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) 23.0 μg/m3 (22) 19.7 μg/m3 (67) 67.0
 
Jan. 23, 2022, 9 a.m. 43.9 ppb (42) 20.2 ppb (20) 43.0 ppb (41) 24.0 ppb (23) N/A 0.0 ppb (0) 0.0 ppb (0) 0.49 ppb (6) 29.0 μg/m3 (27) 24.8 μg/m3 (78) 78.0
 
Jan. 23, 2022, 8 a.m. 37.1 ppb (35) 11.1 ppb (11) 37.0 ppb (35) 26.0 ppb (25) N/A 0.0 ppb (0) 0.0 ppb (0) 0.47 ppb (6) 35.0 μg/m3 (33) 30.5 μg/m3 (90) 90.0
 
Jan. 23, 2022, 7 a.m. 46.0 ppb (44) 22.5 ppb (22) 43.0 ppb (41) 24.0 ppb (23) N/A 0.0 ppb (0) 0.0 ppb (0) 0.63 ppb (7) 31.0 μg/m3 (29) 26.7 μg/m3 (82) 82.0
 
Jan. 23, 2022, 6 a.m. 60.6 ppb (59) 35.9 ppb (34) 58.0 ppb (56) 25.0 ppb (24) N/A 0.0 ppb (0) 0.0 ppb (0) 0.67 ppb (8) 22.0 μg/m3 (21) 17.6 μg/m3 (63) 63.0
 
Jan. 23, 2022, 5 a.m. 69.5 ppb (68) 44.1 ppb (42) 68.0 ppb (66) 25.0 ppb (24) N/A 0.0 ppb (0) 0.0 ppb (0) 0.73 ppb (8) 22.0 μg/m3 (21) 17.5 μg/m3 (63) 68.0
 
Jan. 23, 2022, 4 a.m. 56.8 ppb (54) 30.8 ppb (30) 56.0 ppb (54) 26.0 ppb (25) N/A 0.0 ppb (0) 0.0 ppb (0) 0.69 ppb (8) 23.0 μg/m3 (22) 19.2 μg/m3 (66) 66.0
 
Jan. 23, 2022, 3 a.m. 52.0 ppb (50) 25.1 ppb (24) 51.0 ppb (49) 27.0 ppb (26) N/A 0.0 ppb (0) 0.0 ppb (0) 0.67 ppb (8) 22.0 μg/m3 (21) 19.0 μg/m3 (66) 66.0
 
Jan. 23, 2022, 2 a.m. 45.6 ppb (44) 18.5 ppb (18) 50.0 ppb (48) 27.0 ppb (26) N/A 0.0 ppb (0) 0.0 ppb (0) 0.59 ppb (7) 21.0 μg/m3 (20) 18.2 μg/m3 (64) 64.0
 
Jan. 23, 2022, 1 a.m. 43.4 ppb (41) 14.7 ppb (14) 46.0 ppb (44) 29.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 17.0 μg/m3 (16) 14.1 μg/m3 (56) 56.0
 
Jan. 23, 2022, midnight 40.3 ppb (39) 8.3 ppb (8) 41.0 ppb (39) 32.0 ppb (31) N/A 1.0 ppb (2) 0.0 ppb (0) 0.48 ppb (6) 16.0 μg/m3 (15) 13.1 μg/m3 (54) 54.0
 
Jan. 22, 2022, 11 p.m. 25.3 ppb (24) 0.9 ppb (1) 26.0 ppb (25) 24.0 ppb (23) N/A 0.0 ppb (0) 9.0 ppb (9) 0.36 ppb (5) 15.0 μg/m3 (14) 12.6 μg/m3 (53) 53.0
 
Jan. 22, 2022, 10 p.m. 10.2 ppb (10) -0.1 ppb (0) 9.0 ppb (9) 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.26 ppb (4) 15.0 μg/m3 (14) 12.3 μg/m3 (52) 52.0
 
Jan. 22, 2022, 9 p.m. 8.8 ppb (9) 0.6 ppb (1) 8.0 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) 0.25 ppb (3) 18.0 μg/m3 (17) 14.0 μg/m3 (55) 55.0
 
Jan. 22, 2022, 8 p.m. 12.9 ppb (13) 2.7 ppb (3) 12.0 ppb (12) 10.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (21) 0.28 ppb (4) 19.0 μg/m3 (18) 15.5 μg/m3 (59) 59.0
 
Jan. 22, 2022, 7 p.m. 12.3 ppb (12) 3.2 ppb (4) 12.0 ppb (12) 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.28 ppb (4) 20.0 μg/m3 (19) 16.8 μg/m3 (61) 61.0
 
Jan. 22, 2022, 6 p.m. 12.8 ppb (13) 3.9 ppb (4) 12.0 ppb (12) 9.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (19) 0.28 ppb (4) 19.0 μg/m3 (18) 16.6 μg/m3 (61) 61.0
 
Jan. 22, 2022, 5 p.m. 7.2 ppb (7) 1.5 ppb (2) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.25 ppb (3) 16.0 μg/m3 (15) 13.7 μg/m3 (55) 55.0
 
Jan. 22, 2022, 4 p.m. 7.0 ppb (7) 1.1 ppb (2) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (20) 0.24 ppb (3) 15.0 μg/m3 (14) 13.5 μg/m3 (54) 54.0
 
Jan. 22, 2022, 3 p.m. 6.6 ppb (7) 0.9 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (16) 0.24 ppb (3) 20.0 μg/m3 (19) 17.1 μg/m3 (62) 62.0
 
Jan. 22, 2022, 2 p.m. 10.0 ppb (10) 1.5 ppb (2) 9.0 ppb (9) 8.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) 20.0 μg/m3 (19) 17.9 μg/m3 (64) 64.0
 
Jan. 22, 2022, 1 p.m. 12.0 ppb (12) 0.6 ppb (1) 11.0 ppb (11) 11.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (8) 0.27 ppb (4) 18.0 μg/m3 (17) 16.6 μg/m3 (61) 61.0
 
Jan. 22, 2022, noon 12.7 ppb (12) 0.6 ppb (1) 12.0 ppb (12) 12.0 ppb (12) N/A 0.0 ppb (0) 5.0 ppb (5) 0.27 ppb (4) 19.0 μg/m3 (18) 16.4 μg/m3 (61) 61.0
 
Jan. 22, 2022, 11 a.m. 9.2 ppb (9) -0.4 ppb (0) 8.0 ppb (8) 10.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (7) 0.25 ppb (3) 16.0 μg/m3 (15) 13.8 μg/m3 (55) 55.0
 
Jan. 22, 2022, 10 a.m. 9.7 ppb (10) -0.3 ppb (0) 8.0 ppb (8) 10.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (9) 0.25 ppb (3) 16.0 μg/m3 (15) 13.8 μg/m3 (55) 55.0
 
Jan. 22, 2022, 9 a.m. 8.0 ppb (8) -0.3 ppb (0) 7.0 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (11) 0.23 ppb (3) 15.0 μg/m3 (14) 13.3 μg/m3 (54) 54.0
 
Jan. 22, 2022, 8 a.m. 6.1 ppb (6) -0.3 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) 0.22 ppb (3) 15.0 μg/m3 (14) 13.3 μg/m3 (54) 54.0
 
Jan. 22, 2022, 7 a.m. 8.2 ppb (8) -0.2 ppb (0) 7.0 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (12) 0.24 ppb (3) 20.0 μg/m3 (19) 17.5 μg/m3 (63) 63.0
 
Jan. 22, 2022, 6 a.m. 13.9 ppb (14) 0.3 ppb (1) 13.0 ppb (13) 14.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.31 ppb (4) 32.0 μg/m3 (30) 24.7 μg/m3 (78) 78.0
 
Jan. 22, 2022, 5 a.m. 13.3 ppb (13) 0.5 ppb (1) 12.0 ppb (12) 13.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (4) 0.29 ppb (4) 30.0 μg/m3 (28) 23.9 μg/m3 (76) 76.0
 
Jan. 22, 2022, 4 a.m. 14.4 ppb (14) 0.8 ppb (1) 13.0 ppb (13) 14.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (4) 0.29 ppb (4) N/A N/A 14.0
 
Jan. 22, 2022, 3 a.m. 16.8 ppb (16) 1.7 ppb (2) 15.0 ppb (15) 15.0 ppb (15) N/A 0.0 ppb (0) 3.0 ppb (3) 0.31 ppb (4) 26.0 μg/m3 (25) 20.9 μg/m3 (70) 70.0
 
Jan. 22, 2022, 2 a.m. 20.9 ppb (20) 2.8 ppb (3) 19.0 ppb (18) 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) 0.34 ppb (4) 27.0 μg/m3 (25) 21.2 μg/m3 (71) 71.0
 
Jan. 22, 2022, 1 a.m. 25.6 ppb (25) 5.5 ppb (6) 24.0 ppb (23) 20.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) 0.36 ppb (5) 22.0 μg/m3 (21) 18.5 μg/m3 (65) 65.0
 
Jan. 22, 2022, midnight 20.9 ppb (20) 1.1 ppb (2) 19.0 ppb (18) 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (5) 25.0 μg/m3 (24) 21.3 μg/m3 (71) 71.0
 
Jan. 21, 2022, 11 p.m. 15.7 ppb (15) 0.1 ppb (1) 13.0 ppb (13) 16.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (6) 0.29 ppb (4) 20.0 μg/m3 (19) 17.0 μg/m3 (62) 62.0
 
Jan. 21, 2022, 10 p.m. 11.2 ppb (11) 0.0 ppb (0) 9.0 ppb (9) 11.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) 20.0 μg/m3 (19) 11.5 μg/m3 (48) 48.0
 
Jan. 21, 2022, 9 p.m. 11.5 ppb (11) 0.3 ppb (1) 9.0 ppb (9) 11.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (11) 0.27 ppb (4) N/A N/A 11.0
 
Jan. 21, 2022, 8 p.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.26 ppb (4) N/A N/A 12.0
 
Jan. 21, 2022, 7 p.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.24 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 6 p.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.23 ppb (3) N/A N/A 12.0
 
Jan. 21, 2022, 5 p.m. N/A N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.22 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 4 p.m. N/A N/A 11.0 ppb (11) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.25 ppb (3) N/A N/A 11.0
 
Jan. 21, 2022, 3 p.m. N/A N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.33 ppb (4) N/A N/A 28.0
 
Jan. 21, 2022, 2 p.m. N/A N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.28 ppb (4) N/A N/A 21.0
 
Jan. 21, 2022, 1 p.m. N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.26 ppb (4) N/A N/A 19.0
 
Jan. 21, 2022, noon N/A N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.23 ppb (3) N/A N/A 17.0
 
Jan. 21, 2022, 11 a.m. N/A N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.22 ppb (3) N/A N/A 16.0
 
Jan. 21, 2022, 10 a.m. N/A N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.2 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 9 a.m. N/A N/A 11.0 ppb (11) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.19 ppb (3) N/A N/A 11.0
 
Jan. 21, 2022, 8 a.m. N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.19 ppb (3) N/A N/A 11.0
 
Jan. 21, 2022, 7 a.m. N/A N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.19 ppb (3) N/A N/A 12.0
 
Jan. 21, 2022, 6 a.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.21 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 5 a.m. N/A N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.22 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 4 a.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.21 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 3 a.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.21 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 2 a.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.22 ppb (3) N/A N/A 13.0
 
Jan. 21, 2022, 1 a.m. N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.23 ppb (3) N/A N/A 11.0
 
Jan. 21, 2022, midnight N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.23 ppb (3) N/A N/A 10.0
 
Jan. 20, 2022, 11 p.m. N/A N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.25 ppb (3) N/A N/A 13.0
 
Jan. 20, 2022, 10 p.m. N/A N/A 11.0 ppb (11) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.23 ppb (3) N/A N/A 11.0
 
Jan. 20, 2022, 9 p.m. N/A N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.22 ppb (3) N/A N/A 13.0
 
Jan. 20, 2022, 8 p.m. N/A N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.22 ppb (3) N/A N/A 13.0
 
Jan. 20, 2022, 7 p.m. N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.21 ppb (3) N/A N/A 10.0
 
Jan. 20, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.22 ppb (3) N/A N/A 10.0
 
Jan. 20, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.21 ppb (3) N/A N/A 12.0
 
Jan. 20, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.23 ppb (3) N/A N/A 10.0
 
Jan. 20, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.27 ppb (4) N/A N/A 9.0
 
Jan. 20, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.33 ppb (4) N/A N/A 7.0
 
Jan. 20, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.29 ppb (4) N/A N/A 15.0
 
Jan. 20, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.25 ppb (3) N/A N/A 16.0
 
Jan. 20, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.24 ppb (3) N/A N/A 25.0
 
Jan. 20, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A N/A 27.0
 
Jan. 20, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.23 ppb (3) N/A N/A 10.0
 
Jan. 20, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A N/A 18.0
 
Jan. 20, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.23 ppb (3) N/A N/A 14.0
 
Jan. 20, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.26 ppb (4) N/A N/A 16.0
 
Jan. 20, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.49 ppb (6) N/A N/A 6.0
 
Jan. 20, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.37 ppb (5) N/A N/A 12.0
 
Jan. 20, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.23 ppb (3) N/A N/A 23.0
 
Jan. 20, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.25 ppb (3) N/A N/A 23.0
 
Jan. 20, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.18 ppb (3) N/A N/A 26.0
 
Jan. 20, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A N/A 27.0
 
Jan. 19, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) N/A N/A 32.0
 
Jan. 19, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.18 ppb (3) N/A N/A 36.0
 
Jan. 19, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.22 ppb (3) N/A N/A 36.0
 
Jan. 19, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 7.0 μg/m3 (7) 4.4 μg/m3 (19) 37.0
 
Jan. 19, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.13 ppb (2) 10.0 μg/m3 (10) 5.3 μg/m3 (23) 34.0
 
Jan. 19, 2022, 4 p.m. N/A N/A 12.0 ppb (12) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.18 ppb (3) 11.0 μg/m3 (11) 7.3 μg/m3 (31) 31.0
 
Jan. 19, 2022, 3 p.m. N/A N/A 53.0 ppb (50) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.42 ppb (5) 17.0 μg/m3 (16) 12.8 μg/m3 (53) 53.0
 
Jan. 19, 2022, 2 p.m. N/A N/A 93.0 ppb (93) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.78 ppb (10) 23.0 μg/m3 (22) 16.9 μg/m3 (62) 93.0
 
Jan. 19, 2022, 1 p.m. 173.9 ppb (115) 54.9 ppb (52) 178.0 ppb (116) 119.0 ppb (105) N/A 1.0 ppb (2) 0.0 ppb (0) 1.11 ppb (13) 22.0 μg/m3 (21) 15.9 μg/m3 (59) 116.0
 
Jan. 19, 2022, noon 189.0 ppb (118) 61.7 ppb (60) 199.0 ppb (120) 127.0 ppb (106) N/A 1.0 ppb (2) 0.0 ppb (0) 1.16 ppb (14) 20.0 μg/m3 (19) 14.9 μg/m3 (57) 120.0
 
Jan. 19, 2022, 11 a.m. 198.4 ppb (120) 63.0 ppb (61) 199.0 ppb (120) 135.0 ppb (108) N/A 1.0 ppb (2) 0.0 ppb (0) 1.19 ppb (14) 21.0 μg/m3 (20) 15.7 μg/m3 (59) 120.0
 
Jan. 19, 2022, 10 a.m. 170.1 ppb (115) 53.7 ppb (51) 167.0 ppb (114) 116.0 ppb (104) N/A 1.0 ppb (2) 0.0 ppb (0) 1.13 ppb (13) 21.0 μg/m3 (20) 15.1 μg/m3 (58) 115.0
 
Jan. 19, 2022, 9 a.m. 148.1 ppb (110) 43.8 ppb (42) N/A 104.0 ppb (102) N/A 1.0 ppb (2) 0.0 ppb (0) 1.1 ppb (13) 21.0 μg/m3 (20) 15.7 μg/m3 (59) 110.0
 
Jan. 19, 2022, 8 a.m. 151.2 ppb (111) 45.2 ppb (43) N/A 106.0 ppb (102) N/A 1.0 ppb (2) 0.0 ppb (0) 1.07 ppb (13) 20.0 μg/m3 (19) 14.5 μg/m3 (57) 111.0
 
Jan. 19, 2022, 7 a.m. 165.3 ppb (114) 50.4 ppb (48) N/A 115.0 ppb (104) N/A 1.0 ppb (2) 0.0 ppb (0) 1.15 ppb (13) 20.0 μg/m3 (19) 14.3 μg/m3 (56) 114.0
 
Jan. 19, 2022, 6 a.m. 129.2 ppb (107) 38.1 ppb (36) 154.0 ppb (112) 91.0 ppb (91) N/A 1.0 ppb (2) 0.0 ppb (0) 1.04 ppb (12) 21.0 μg/m3 (20) 14.4 μg/m3 (56) 112.0
 
Jan. 19, 2022, 5 a.m. 116.2 ppb (104) 30.5 ppb (29) 128.0 ppb (107) 85.0 ppb (85) N/A 0.0 ppb (0) 0.0 ppb (0) 0.97 ppb (12) 21.0 μg/m3 (20) 15.5 μg/m3 (59) 107.0
 
Jan. 19, 2022, 4 a.m. 128.4 ppb (107) 32.8 ppb (31) 150.0 ppb (111) 95.0 ppb (95) N/A 1.0 ppb (2) 0.0 ppb (0) 0.97 ppb (12) 21.0 μg/m3 (20) 15.5 μg/m3 (59) 111.0
 
Jan. 19, 2022, 3 a.m. 162.3 ppb (113) 47.0 ppb (45) 172.0 ppb (115) 115.0 ppb (104) N/A 1.0 ppb (2) 0.0 ppb (0) 0.98 ppb (12) 19.0 μg/m3 (18) 12.7 μg/m3 (53) 115.0
 
Jan. 19, 2022, 2 a.m. 132.0 ppb (107) 36.5 ppb (35) 177.0 ppb (116) 95.0 ppb (95) N/A 1.0 ppb (2) 0.0 ppb (0) 0.84 ppb (10) 22.0 μg/m3 (21) 14.7 μg/m3 (57) 116.0
 
Jan. 19, 2022, 1 a.m. 70.2 ppb (69) 13.9 ppb (14) 103.0 ppb (102) 56.0 ppb (54) N/A 0.0 ppb (0) 1.0 ppb (1) 0.59 ppb (7) 18.0 μg/m3 (17) 12.4 μg/m3 (52) 102.0
 
Jan. 19, 2022, midnight 20.7 ppb (20) -1.2 ppb (0) 31.0 ppb (30) 22.0 ppb (21) N/A 0.0 ppb (0) 11.0 ppb (11) 0.35 ppb (4) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2022, 11 p.m. 11.2 ppb (11) -1.4 ppb (0) 14.0 ppb (14) 12.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (20) 0.23 ppb (3) 10.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
Jan. 18, 2022, 10 p.m. 10.2 ppb (10) -1.2 ppb (0) 12.0 ppb (12) 11.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 25.0
 
Jan. 18, 2022, 9 p.m. 9.2 ppb (9) -0.6 ppb (0) 11.0 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) 12.0 μg/m3 (12) 5.9 μg/m3 (25) 27.0
 
Jan. 18, 2022, 8 p.m. 12.6 ppb (12) 0.4 ppb (1) 16.0 ppb (16) 12.0 ppb (12) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 14.0 μg/m3 (13) 7.5 μg/m3 (32) 32.0
 
Jan. 18, 2022, 7 p.m. 11.7 ppb (12) 0.7 ppb (1) 15.0 ppb (15) 11.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 14.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
Jan. 18, 2022, 6 p.m. N/A N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A 13.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2022, 5 p.m. N/A N/A 11.0 ppb (11) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) 12.0 μg/m3 (12) 7.7 μg/m3 (33) 33.0
 
Jan. 18, 2022, 4 p.m. N/A N/A 12.0 ppb (12) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) 13.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Jan. 18, 2022, 3 p.m. N/A N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.22 ppb (3) 13.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Jan. 18, 2022, 2 p.m. N/A N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.26 ppb (4) 15.0 μg/m3 (14) 11.5 μg/m3 (48) 48.0
 
Jan. 18, 2022, 1 p.m. N/A N/A 78.0 ppb (77) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.45 ppb (6) 14.0 μg/m3 (13) 11.1 μg/m3 (47) 77.0
 
Jan. 18, 2022, noon 63.5 ppb (62) 18.1 ppb (18) 62.0 ppb (60) 45.0 ppb (43) N/A 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (4) 12.0 μg/m3 (12) 9.7 μg/m3 (41) 62.0
 
Jan. 18, 2022, 11 a.m. 44.7 ppb (43) 7.9 ppb (8) 53.0 ppb (50) 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.25 ppb (3) 11.0 μg/m3 (11) 9.5 μg/m3 (40) 50.0
 
Jan. 18, 2022, 10 a.m. 14.3 ppb (14) -1.4 ppb (0) 17.0 ppb (17) 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.19 ppb (3) 10.0 μg/m3 (10) 8.9 μg/m3 (38) 38.0
 
Jan. 18, 2022, 9 a.m. 11.0 ppb (11) -1.2 ppb (0) 13.0 ppb (13) 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.17 ppb (3) 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2022, 8 a.m. 7.8 ppb (8) -1.1 ppb (0) 10.0 ppb (10) 9.0 ppb (9) N/A N/A 21.0 ppb (20) 0.15 ppb (2) 10.0 μg/m3 (10) 8.9 μg/m3 (38) 38.0
 
Jan. 18, 2022, 7 a.m. 4.5 ppb (5) -0.8 ppb (0) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 10.0 μg/m3 (10) 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2022, 6 a.m. 3.5 ppb (4) -0.7 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) 10.0 μg/m3 (10) 8.7 μg/m3 (37) 37.0
 
Jan. 18, 2022, 5 a.m. 2.8 ppb (3) -0.6 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 11.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2022, 4 a.m. 3.7 ppb (4) -0.7 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 11.0 μg/m3 (11) 9.4 μg/m3 (40) 40.0
 
Jan. 18, 2022, 3 a.m. 3.2 ppb (4) -0.7 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2022, 2 a.m. 3.3 ppb (4) -0.7 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 11.0 μg/m3 (11) 9.1 μg/m3 (38) 38.0
 
Jan. 18, 2022, 1 a.m. 3.4 ppb (4) -0.7 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 10.0 μg/m3 (10) 8.5 μg/m3 (36) 36.0
 
Jan. 18, 2022, midnight 3.7 ppb (4) -0.7 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2022, 11 p.m. 3.9 ppb (4) -0.8 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 10.0 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
Jan. 17, 2022, 10 p.m. 3.7 ppb (4) -0.7 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 10.0 μg/m3 (10) 7.3 μg/m3 (31) 31.0
 
Jan. 17, 2022, 9 p.m. 4.4 ppb (5) -0.7 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 11.0 μg/m3 (11) 8.6 μg/m3 (36) 36.0
 
Jan. 17, 2022, 8 p.m. 4.0 ppb (4) -0.6 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 12.0 μg/m3 (12) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2022, 7 p.m. 3.9 ppb (4) -0.5 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) 10.0 μg/m3 (10) 7.2 μg/m3 (31) 31.0
 
Jan. 17, 2022, 6 p.m. 3.4 ppb (4) -0.5 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 9.0 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
Jan. 17, 2022, 5 p.m. 3.8 ppb (4) -0.4 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) N/A N/A 26.0
 
Jan. 17, 2022, 4 p.m. 3.6 ppb (4) -0.5 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) N/A N/A 25.0
 
Jan. 17, 2022, 3 p.m. 3.4 ppb (4) -0.5 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 9.0 μg/m3 (9) 7.2 μg/m3 (31) 31.0
 
Jan. 17, 2022, 2 p.m. 3.3 ppb (4) -0.5 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.16 ppb (3) N/A N/A 4.0
 
Jan. 17, 2022, 1 p.m. 3.1 ppb (3) -0.6 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.16 ppb (3) N/A N/A 4.0
 
Jan. 17, 2022, noon 2.2 ppb (3) -0.6 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.16 ppb (3) N/A N/A 3.0
 
Jan. 17, 2022, 11 a.m. 2.5 ppb (3) -0.6 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) N/A N/A 26.0
 
Jan. 17, 2022, 10 a.m. 3.2 ppb (4) -0.6 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) N/A N/A 25.0
 
Jan. 17, 2022, 9 a.m. 3.1 ppb (3) -0.5 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) N/A N/A 25.0