ID: 168

AQSQID: 060590007

Site Name: Anaheim

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

Updated: Jan. 21, 2021, 10:31 p.m.

Location: Anaheim (Swest Anaheim), CA

Reporting: True, Located: True

Current AQI: 32.0

Anaheim (Swest Anaheim) CA, US: 33.830586, -117.938509

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2021, 9 p.m. 7.6 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.18 ppb (3) 25.5 μg/m3 (24) 1.9 μg/m3 (8) 32.0
 
Jan. 21, 2021, 8 p.m. 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.18 ppb (3) 32.9 μg/m3 (31) 4.8 μg/m3 (20) 32.0
 
Jan. 21, 2021, 7 p.m. 12.3 ppb (12) 3.5 ppb (4) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) 0.24 ppb (3) 19.7 μg/m3 (19) 6.0 μg/m3 (25) 28.0
 
Jan. 21, 2021, 6 p.m. 12.2 ppb (12) 3.7 ppb (4) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.24 ppb (3) 16.0 μg/m3 (15) 4.1 μg/m3 (18) 25.0
 
Jan. 21, 2021, 5 p.m. 21.9 ppb (21) 7.5 ppb (8) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) 0.34 ppb (4) 24.3 μg/m3 (23) 7.7 μg/m3 (33) 33.0
 
Jan. 21, 2021, 4 p.m. 46.6 ppb (44) 22.6 ppb (22) N/A 24.0 ppb (23) N/A N/A 7.0 ppb (7) 0.59 ppb (7) 25.6 μg/m3 (24) 9.5 μg/m3 (40) 44.0
 
Jan. 21, 2021, 3 p.m. 110.1 ppb (103) 77.5 ppb (77) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 1.17 ppb (14) 40.9 μg/m3 (38) 8.0 μg/m3 (34) 103.0
 
Jan. 21, 2021, 2 p.m. 109.6 ppb (103) 74.4 ppb (73) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 0.95 ppb (11) 26.4 μg/m3 (25) 5.8 μg/m3 (25) 103.0
 
Jan. 21, 2021, 1 p.m. 49.8 ppb (47) 18.7 ppb (18) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.46 ppb (6) 20.2 μg/m3 (19) 4.3 μg/m3 (18) 47.0
 
Jan. 21, 2021, noon 43.0 ppb (41) 14.0 ppb (14) N/A 29.0 ppb (28) N/A N/A -1.0 ppb (0) 0.45 ppb (6) 20.5 μg/m3 (19) 1.9 μg/m3 (8) 41.0
 
Jan. 21, 2021, 11 a.m. 40.9 ppb (39) 8.8 ppb (9) N/A 32.0 ppb (31) N/A N/A 0.0 ppb (0) 0.32 ppb (4) 10.1 μg/m3 (10) 1.4 μg/m3 (6) 39.0
 
Jan. 21, 2021, 10 a.m. 28.5 ppb (27) 2.8 ppb (3) N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) 0.27 ppb (4) 7.1 μg/m3 (7) 4.1 μg/m3 (18) 27.0
 
Jan. 21, 2021, 9 a.m. 23.3 ppb (22) 1.6 ppb (2) N/A 22.0 ppb (21) N/A N/A 8.0 ppb (8) 0.3 ppb (4) 17.3 μg/m3 (17) 4.6 μg/m3 (20) 22.0
 
Jan. 21, 2021, 8 a.m. 23.2 ppb (22) 2.3 ppb (3) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) 0.25 ppb (3) 17.8 μg/m3 (17) 4.1 μg/m3 (18) 22.0
 
Jan. 21, 2021, 7 a.m. 23.0 ppb (22) 1.9 ppb (2) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) 0.27 ppb (4) 17.5 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
Jan. 21, 2021, 6 a.m. 24.2 ppb (23) 2.0 ppb (2) N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) 0.34 ppb (4) 18.5 μg/m3 (18) 3.3 μg/m3 (14) 23.0
 
Jan. 21, 2021, 5 a.m. 14.3 ppb (14) 1.3 ppb (2) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) 0.28 ppb (4) 25.6 μg/m3 (24) 1.6 μg/m3 (7) 24.0
 
Jan. 21, 2021, 4 a.m. 9.9 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) 0.19 ppb (3) 20.9 μg/m3 (20) 1.4 μg/m3 (6) 24.0
 
Jan. 21, 2021, 3 a.m. 10.1 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) 0.21 ppb (3) 21.2 μg/m3 (20) -0.9 μg/m3 (0) 24.0
 
Jan. 21, 2021, 2 a.m. 8.2 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.19 ppb (3) 11.2 μg/m3 (11) 0.2 μg/m3 (1) 26.0
 
Jan. 21, 2021, 1 a.m. 8.2 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.19 ppb (3) 18.5 μg/m3 (18) 0.9 μg/m3 (4) 27.0
 
Jan. 21, 2021, midnight 8.2 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.18 ppb (3) 23.7 μg/m3 (22) -1.1 μg/m3 (0) 29.0
 
Jan. 20, 2021, 11 p.m. 7.6 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.19 ppb (3) 32.4 μg/m3 (30) -0.5 μg/m3 (0) 32.0
 
Jan. 20, 2021, 10 p.m. 6.9 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.17 ppb (3) 32.1 μg/m3 (30) 2.1 μg/m3 (9) 33.0
 
Jan. 20, 2021, 9 p.m. 7.4 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.24 ppb (3) 30.2 μg/m3 (28) 1.9 μg/m3 (8) 33.0
 
Jan. 20, 2021, 8 p.m. 6.6 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.19 ppb (3) 28.8 μg/m3 (27) 2.2 μg/m3 (10) 33.0
 
Jan. 20, 2021, 7 p.m. 7.4 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.18 ppb (3) 27.6 μg/m3 (26) 3.1 μg/m3 (13) 32.0
 
Jan. 20, 2021, 6 p.m. 7.9 ppb (8) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.21 ppb (3) 31.4 μg/m3 (30) 1.4 μg/m3 (6) 30.0
 
Jan. 20, 2021, 5 p.m. 9.8 ppb (10) 2.8 ppb (3) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.17 ppb (3) 22.9 μg/m3 (22) 0.9 μg/m3 (4) 27.0
 
Jan. 20, 2021, 4 p.m. 11.5 ppb (11) 2.4 ppb (3) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) 0.19 ppb (3) 23.7 μg/m3 (22) 2.6 μg/m3 (11) 25.0
 
Jan. 20, 2021, 3 p.m. 11.6 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.21 ppb (3) 21.8 μg/m3 (21) 4.1 μg/m3 (18) 25.0
 
Jan. 20, 2021, 2 p.m. 10.5 ppb (10) 1.5 ppb (2) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) 0.18 ppb (3) 10.6 μg/m3 (10) 3.9 μg/m3 (17) 25.0
 
Jan. 20, 2021, 1 p.m. 7.7 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.17 ppb (3) 17.6 μg/m3 (17) 2.4 μg/m3 (10) 27.0
 
Jan. 20, 2021, noon 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.15 ppb (2) 20.5 μg/m3 (19) 0.9 μg/m3 (4) 29.0
 
Jan. 20, 2021, 11 a.m. 6.1 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.14 ppb (2) 17.8 μg/m3 (17) 1.2 μg/m3 (5) 29.0
 
Jan. 20, 2021, 10 a.m. 6.1 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.14 ppb (2) 20.3 μg/m3 (19) 3.4 μg/m3 (15) 28.0
 
Jan. 20, 2021, 9 a.m. 5.7 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.14 ppb (2) 17.1 μg/m3 (16) 2.4 μg/m3 (10) 29.0
 
Jan. 20, 2021, 8 a.m. 4.8 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.15 ppb (2) 22.0 μg/m3 (21) 1.9 μg/m3 (8) 31.0
 
Jan. 20, 2021, 7 a.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.15 ppb (2) 15.0 μg/m3 (14) 1.2 μg/m3 (5) 29.0
 
Jan. 20, 2021, 6 a.m. 5.2 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.15 ppb (2) 17.3 μg/m3 (17) -0.7 μg/m3 (0) 30.0
 
Jan. 20, 2021, 5 a.m. 5.4 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.16 ppb (3) 21.7 μg/m3 (21) N/A 31.0
 
Jan. 20, 2021, 4 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.15 ppb (2) 39.9 μg/m3 (37) -0.2 μg/m3 (0) 37.0
 
Jan. 20, 2021, 3 a.m. 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.17 ppb (3) 59.4 μg/m3 (54) 4.3 μg/m3 (18) 54.0
 
Jan. 20, 2021, 2 a.m. 6.2 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.19 ppb (3) 59.2 μg/m3 (54) 3.8 μg/m3 (16) 54.0
 
Jan. 20, 2021, 1 a.m. 6.9 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.22 ppb (3) 61.6 μg/m3 (55) 0.7 μg/m3 (3) 55.0
 
Jan. 20, 2021, midnight 8.5 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 69.9 μg/m3 (59) 0.7 μg/m3 (3) 59.0
 
Jan. 19, 2021, 11 p.m. 7.2 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.18 ppb (3) 139.1 μg/m3 (93) 5.8 μg/m3 (25) 93.0
 
Jan. 19, 2021, 10 p.m. 7.9 ppb (8) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.19 ppb (3) 188.9 μg/m3 (118) 8.8 μg/m3 (37) 118.0
 
Jan. 19, 2021, 9 p.m. 7.2 ppb (7) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.19 ppb (3) N/A 5.8 μg/m3 (25) 32.0
 
Jan. 19, 2021, 8 p.m. 7.8 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.18 ppb (3) 108.5 μg/m3 (78) 2.6 μg/m3 (11) 78.0
 
Jan. 19, 2021, 7 p.m. 9.3 ppb (9) 2.3 ppb (3) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.25 ppb (3) 111.1 μg/m3 (79) 4.3 μg/m3 (18) 79.0
 
Jan. 19, 2021, 6 p.m. 24.0 ppb (23) 6.5 ppb (7) N/A 18.0 ppb (17) N/A N/A 20.0 ppb (19) 0.34 ppb (4) 25.4 μg/m3 (24) 7.0 μg/m3 (30) 30.0
 
Jan. 19, 2021, 5 p.m. 15.0 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) 0.29 ppb (4) 28.8 μg/m3 (27) 5.8 μg/m3 (25) 27.0
 
Jan. 19, 2021, 4 p.m. 17.3 ppb (17) 3.6 ppb (4) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.32 ppb (4) 9.8 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, 3 p.m. 21.3 ppb (21) 3.3 ppb (4) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (14) 0.37 ppb (5) 18.8 μg/m3 (18) 10.2 μg/m3 (43) 43.0
 
Jan. 19, 2021, 2 p.m. 15.6 ppb (15) 1.3 ppb (2) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.31 ppb (4) 18.9 μg/m3 (18) 6.7 μg/m3 (28) 28.0
 
Jan. 19, 2021, 1 p.m. 12.3 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) 0.24 ppb (3) 10.6 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2021, noon 7.3 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.19 ppb (3) 18.2 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2021, 11 a.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.17 ppb (3) 10.6 μg/m3 (10) 5.8 μg/m3 (25) 27.0
 
Jan. 19, 2021, 10 a.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.16 ppb (3) 11.8 μg/m3 (11) 7.7 μg/m3 (33) 33.0
 
Jan. 19, 2021, 9 a.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.16 ppb (3) 14.7 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
Jan. 19, 2021, 8 a.m. 5.5 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.18 ppb (3) 17.4 μg/m3 (17) 18.2 μg/m3 (64) 64.0
 
Jan. 19, 2021, 7 a.m. 10.2 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.27 ppb (4) 26.7 μg/m3 (25) 15.5 μg/m3 (59) 59.0
 
Jan. 19, 2021, 6 a.m. 13.6 ppb (13) 1.2 ppb (2) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.33 ppb (4) 16.4 μg/m3 (16) 14.8 μg/m3 (57) 57.0
 
Jan. 19, 2021, 5 a.m. 9.7 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.28 ppb (4) 11.5 μg/m3 (11) 11.6 μg/m3 (49) 49.0
 
Jan. 19, 2021, 4 a.m. 9.5 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) 0.27 ppb (4) 15.4 μg/m3 (15) 17.5 μg/m3 (63) 63.0
 
Jan. 19, 2021, 3 a.m. 9.5 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 40.0 ppb (38) 0.28 ppb (4) 22.3 μg/m3 (21) 18.0 μg/m3 (64) 64.0
 
Jan. 19, 2021, 2 a.m. 13.9 ppb (14) 1.2 ppb (2) N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) 0.32 ppb (4) 24.9 μg/m3 (24) 11.9 μg/m3 (50) 50.0
 
Jan. 19, 2021, 1 a.m. 16.8 ppb (16) 1.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 38.0 ppb (36) 0.37 ppb (5) 26.4 μg/m3 (25) 8.5 μg/m3 (36) 36.0
 
Jan. 19, 2021, midnight 14.0 ppb (14) 1.2 ppb (2) N/A 13.0 ppb (13) N/A N/A 45.0 ppb (42) 0.33 ppb (4) 32.5 μg/m3 (31) 5.6 μg/m3 (24) 42.0
 
Jan. 18, 2021, 11 p.m. 11.6 ppb (11) 1.6 ppb (2) N/A 10.0 ppb (10) N/A N/A 48.0 ppb (45) 0.28 ppb (4) 25.6 μg/m3 (24) 5.3 μg/m3 (23) 45.0
 
Jan. 18, 2021, 10 p.m. 13.2 ppb (13) 2.3 ppb (3) N/A 11.0 ppb (11) N/A N/A 47.0 ppb (44) 0.3 ppb (4) 31.9 μg/m3 (30) 4.6 μg/m3 (20) 44.0
 
Jan. 18, 2021, 9 p.m. 18.1 ppb (18) 3.7 ppb (4) N/A 14.0 ppb (14) N/A N/A 41.0 ppb (38) 0.34 ppb (4) 35.6 μg/m3 (33) 3.6 μg/m3 (16) 38.0
 
Jan. 18, 2021, 8 p.m. 25.4 ppb (24) 6.0 ppb (6) N/A 19.0 ppb (18) N/A N/A 35.0 ppb (33) 0.39 ppb (5) 21.9 μg/m3 (21) 5.3 μg/m3 (23) 33.0
 
Jan. 18, 2021, 7 p.m. 27.2 ppb (26) 6.7 ppb (7) N/A 21.0 ppb (20) N/A N/A 32.0 ppb (30) 0.44 ppb (5) 34.4 μg/m3 (32) 8.8 μg/m3 (37) 37.0
 
Jan. 18, 2021, 6 p.m. 31.5 ppb (30) 8.6 ppb (9) N/A 23.0 ppb (22) N/A N/A 28.0 ppb (26) 0.47 ppb (6) 36.0 μg/m3 (34) 11.4 μg/m3 (48) 48.0
 
Jan. 18, 2021, 5 p.m. 61.1 ppb (59) 26.6 ppb (26) N/A 34.0 ppb (33) N/A N/A 12.0 ppb (12) 0.66 ppb (8) 48.5 μg/m3 (45) 15.8 μg/m3 (59) 59.0
 
Jan. 18, 2021, 4 p.m. 94.8 ppb (95) 57.2 ppb (55) N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) 0.94 ppb (11) 60.4 μg/m3 (54) 21.5 μg/m3 (71) 95.0
 
Jan. 18, 2021, 3 p.m. 84.1 ppb (84) 49.4 ppb (47) N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 0.87 ppb (11) 45.1 μg/m3 (42) 9.7 μg/m3 (41) 84.0
 
Jan. 18, 2021, 2 p.m. 70.8 ppb (69) 36.7 ppb (35) N/A 34.0 ppb (33) N/A N/A -1.0 ppb (0) 0.73 ppb (8) 41.2 μg/m3 (39) 9.5 μg/m3 (40) 69.0
 
Jan. 18, 2021, 1 p.m. 58.3 ppb (56) 25.0 ppb (24) N/A 33.0 ppb (32) N/A N/A -1.0 ppb (0) 0.62 ppb (7) 24.0 μg/m3 (23) 5.8 μg/m3 (25) 56.0
 
Jan. 18, 2021, noon 38.2 ppb (37) 8.3 ppb (8) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 0.47 ppb (6) 16.9 μg/m3 (16) 6.5 μg/m3 (28) 37.0
 
Jan. 18, 2021, 11 a.m. 39.5 ppb (38) 8.7 ppb (9) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.46 ppb (6) 13.0 μg/m3 (13) 7.2 μg/m3 (31) 38.0
 
Jan. 18, 2021, 10 a.m. 38.4 ppb (37) 7.5 ppb (8) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.46 ppb (6) 12.7 μg/m3 (12) 8.2 μg/m3 (35) 37.0
 
Jan. 18, 2021, 9 a.m. 63.3 ppb (61) 30.5 ppb (29) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 0.86 ppb (11) 28.4 μg/m3 (27) 9.5 μg/m3 (40) 61.0
 
Jan. 18, 2021, 8 a.m. 58.4 ppb (56) 23.3 ppb (22) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 0.95 ppb (11) 36.0 μg/m3 (34) 16.1 μg/m3 (60) 60.0
 
Jan. 18, 2021, 7 a.m. 50.3 ppb (48) 10.2 ppb (10) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) 0.88 ppb (11) 34.7 μg/m3 (33) 18.0 μg/m3 (64) 64.0
 
Jan. 18, 2021, 6 a.m. 62.5 ppb (61) 24.8 ppb (24) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 1.04 ppb (12) 27.6 μg/m3 (26) 11.4 μg/m3 (48) 61.0
 
Jan. 18, 2021, 5 a.m. 71.2 ppb (70) 27.7 ppb (27) N/A 43.0 ppb (41) N/A N/A 0.0 ppb (0) 1.16 ppb (14) 37.5 μg/m3 (35) 17.5 μg/m3 (63) 70.0
 
Jan. 18, 2021, 4 a.m. 82.9 ppb (82) 36.8 ppb (35) N/A 46.0 ppb (44) N/A N/A 0.0 ppb (0) 1.34 ppb (15) 48.3 μg/m3 (45) 19.4 μg/m3 (67) 82.0
 
Jan. 18, 2021, 3 a.m. 64.3 ppb (62) 16.2 ppb (16) N/A 48.0 ppb (46) N/A N/A 0.0 ppb (0) 1.0 ppb (12) 40.2 μg/m3 (38) 18.0 μg/m3 (64) 64.0
 
Jan. 18, 2021, 2 a.m. 42.4 ppb (40) 4.2 ppb (4) N/A 38.0 ppb (36) N/A N/A 8.0 ppb (8) 0.69 ppb (8) 28.6 μg/m3 (27) 8.5 μg/m3 (36) 40.0
 
Jan. 18, 2021, 1 a.m. 24.1 ppb (23) 1.1 ppb (2) N/A 23.0 ppb (22) N/A N/A 26.0 ppb (25) 0.36 ppb (5) 19.5 μg/m3 (19) 1.9 μg/m3 (8) 25.0
 
Jan. 18, 2021, midnight 19.8 ppb (19) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 31.0 ppb (29) 0.28 ppb (4) 17.7 μg/m3 (17) 2.1 μg/m3 (9) 29.0
 
Jan. 17, 2021, 11 p.m. 27.1 ppb (26) 5.0 ppb (5) N/A 22.0 ppb (21) N/A N/A 28.0 ppb (26) 0.28 ppb (4) 17.0 μg/m3 (16) 3.9 μg/m3 (17) 26.0
 
Jan. 17, 2021, 10 p.m. 20.0 ppb (19) 4.2 ppb (4) N/A 16.0 ppb (16) N/A N/A 36.0 ppb (34) 0.27 ppb (4) 14.0 μg/m3 (13) 0.9 μg/m3 (4) 34.0
 
Jan. 17, 2021, 9 p.m. 10.7 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A N/A 46.0 ppb (43) 0.28 ppb (4) 8.7 μg/m3 (9) N/A 43.0
 
Jan. 17, 2021, 8 p.m. 5.8 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.21 ppb (3) 7.8 μg/m3 (8) -1.4 μg/m3 (0) 38.0
 
Jan. 17, 2021, 7 p.m. 6.8 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.2 ppb (3) 17.7 μg/m3 (17) -0.4 μg/m3 (0) 37.0
 
Jan. 17, 2021, 6 p.m. 34.0 ppb (33) 9.1 ppb (9) N/A 25.0 ppb (24) N/A N/A 27.0 ppb (25) 0.68 ppb (8) 25.8 μg/m3 (24) 14.8 μg/m3 (57) 57.0
 
Jan. 17, 2021, 5 p.m. 51.9 ppb (49) 18.5 ppb (18) N/A 33.0 ppb (32) N/A N/A 14.0 ppb (13) 0.94 ppb (11) 36.8 μg/m3 (35) 22.0 μg/m3 (72) 72.0
 
Jan. 17, 2021, 4 p.m. 62.2 ppb (60) 27.2 ppb (26) N/A 35.0 ppb (34) N/A N/A 7.0 ppb (7) 1.12 ppb (13) 50.9 μg/m3 (48) 31.9 μg/m3 (93) 93.0
 
Jan. 17, 2021, 3 p.m. 66.1 ppb (64) 29.6 ppb (28) N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 1.18 ppb (14) 41.2 μg/m3 (39) 19.9 μg/m3 (68) 68.0
 
Jan. 17, 2021, 2 p.m. 37.4 ppb (36) 9.6 ppb (10) N/A 28.0 ppb (27) N/A N/A 7.0 ppb (7) 0.67 ppb (8) 17.3 μg/m3 (17) 4.8 μg/m3 (20) 36.0
 
Jan. 17, 2021, 1 p.m. 14.9 ppb (15) 2.6 ppb (3) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) 0.28 ppb (4) 11.7 μg/m3 (11) 0.7 μg/m3 (3) 24.0
 
Jan. 17, 2021, noon 37.9 ppb (36) 4.2 ppb (4) N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) 0.72 ppb (8) 20.5 μg/m3 (19) 17.8 μg/m3 (63) 63.0
 
Jan. 17, 2021, 11 a.m. 6.7 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.17 ppb (3) 5.2 μg/m3 (5) 1.2 μg/m3 (5) 29.0
 
Jan. 17, 2021, 10 a.m. 36.7 ppb (35) 6.8 ppb (7) N/A 30.0 ppb (29) N/A N/A 8.0 ppb (8) 0.72 ppb (8) 37.3 μg/m3 (35) 17.7 μg/m3 (63) 63.0
 
Jan. 17, 2021, 9 a.m. 54.3 ppb (52) 12.6 ppb (12) N/A 42.0 ppb (40) N/A N/A 0.0 ppb (0) 1.09 ppb (13) 50.9 μg/m3 (48) 28.3 μg/m3 (86) 86.0
 
Jan. 17, 2021, 8 a.m. 16.2 ppb (16) 1.7 ppb (2) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) 0.37 ppb (5) 12.9 μg/m3 (12) 3.8 μg/m3 (16) 22.0
 
Jan. 17, 2021, 7 a.m. 40.4 ppb (39) 11.6 ppb (11) N/A 29.0 ppb (28) N/A N/A 9.0 ppb (9) 0.75 ppb (10) 29.6 μg/m3 (28) 7.8 μg/m3 (33) 39.0
 
Jan. 17, 2021, 6 a.m. 67.8 ppb (66) 23.2 ppb (22) N/A 45.0 ppb (43) N/A N/A 1.0 ppb (1) 1.11 ppb (13) 50.9 μg/m3 (48) 27.1 μg/m3 (83) 83.0
 
Jan. 17, 2021, 5 a.m. 90.3 ppb (90) 37.1 ppb (35) N/A 53.0 ppb (50) N/A N/A 0.0 ppb (0) 1.58 ppb (19) 66.6 μg/m3 (57) 32.4 μg/m3 (94) 94.0
 
Jan. 17, 2021, 4 a.m. 65.2 ppb (63) 15.2 ppb (15) N/A 50.0 ppb (48) N/A N/A 0.0 ppb (0) 1.13 ppb (13) 69.2 μg/m3 (59) 34.3 μg/m3 (98) 98.0
 
Jan. 17, 2021, 3 a.m. 64.7 ppb (63) 13.5 ppb (13) N/A 51.0 ppb (49) N/A N/A 0.0 ppb (0) 1.06 ppb (13) 59.4 μg/m3 (54) 22.4 μg/m3 (73) 73.0
 
Jan. 17, 2021, 2 a.m. 45.0 ppb (43) 2.4 ppb (3) N/A 43.0 ppb (41) N/A N/A 8.0 ppb (8) 0.74 ppb (8) 45.3 μg/m3 (42) 14.6 μg/m3 (57) 57.0
 
Jan. 17, 2021, 1 a.m. 27.4 ppb (26) 1.2 ppb (2) N/A 26.0 ppb (25) N/A N/A 32.0 ppb (30) 0.47 ppb (6) 31.4 μg/m3 (30) 6.5 μg/m3 (28) 30.0
 
Jan. 17, 2021, midnight 16.8 ppb (16) 1.2 ppb (2) N/A 16.0 ppb (16) N/A N/A 43.0 ppb (40) 0.35 ppb (4) 27.3 μg/m3 (26) 5.6 μg/m3 (24) 40.0
 
Jan. 16, 2021, 11 p.m. 13.9 ppb (14) 1.6 ppb (2) N/A 12.0 ppb (12) N/A N/A 50.0 ppb (47) 0.3 ppb (4) 25.6 μg/m3 (24) 5.1 μg/m3 (22) 47.0
 
Jan. 16, 2021, 10 p.m. 19.9 ppb (19) 3.5 ppb (4) N/A 16.0 ppb (16) N/A N/A 41.0 ppb (38) 0.31 ppb (4) 20.7 μg/m3 (20) 5.3 μg/m3 (23) 38.0
 
Jan. 16, 2021, 9 p.m. 34.8 ppb (33) 8.2 ppb (8) N/A 27.0 ppb (26) N/A N/A 33.0 ppb (31) 0.45 ppb (6) 28.5 μg/m3 (27) 5.1 μg/m3 (22) 33.0
 
Jan. 16, 2021, 8 p.m. 43.3 ppb (41) 11.8 ppb (12) N/A 31.0 ppb (30) N/A N/A 26.0 ppb (25) 0.55 ppb (7) 32.4 μg/m3 (30) 7.3 μg/m3 (31) 41.0
 
Jan. 16, 2021, 7 p.m. 41.1 ppb (39) 12.1 ppb (12) N/A 29.0 ppb (28) N/A N/A 25.0 ppb (24) 0.5 ppb (6) 29.5 μg/m3 (28) 8.5 μg/m3 (36) 39.0
 
Jan. 16, 2021, 6 p.m. 50.5 ppb (48) 20.7 ppb (20) N/A 30.0 ppb (29) N/A N/A 14.0 ppb (13) 0.59 ppb (7) 28.5 μg/m3 (27) 6.5 μg/m3 (28) 48.0
 
Jan. 16, 2021, 5 p.m. 77.3 ppb (76) 41.3 ppb (39) N/A 36.0 ppb (34) N/A N/A 6.0 ppb (6) 0.8 ppb (10) 52.1 μg/m3 (49) 17.0 μg/m3 (62) 76.0
 
Jan. 16, 2021, 4 p.m. 75.7 ppb (75) 42.6 ppb (41) N/A 33.0 ppb (32) N/A N/A 3.0 ppb (3) 0.79 ppb (10) 48.3 μg/m3 (45) 14.3 μg/m3 (56) 75.0
 
Jan. 16, 2021, 3 p.m. 82.3 ppb (82) 48.0 ppb (46) N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 0.82 ppb (10) 39.4 μg/m3 (37) 6.8 μg/m3 (29) 82.0
 
Jan. 16, 2021, 2 p.m. 67.1 ppb (65) 31.3 ppb (30) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.6 ppb (7) 26.9 μg/m3 (25) 6.3 μg/m3 (27) 65.0
 
Jan. 16, 2021, 1 p.m. 61.1 ppb (59) 25.5 ppb (25) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.54 ppb (6) 29.3 μg/m3 (28) 8.3 μg/m3 (35) 59.0
 
Jan. 16, 2021, noon 74.5 ppb (73) 40.1 ppb (38) N/A 34.0 ppb (33) N/A N/A -1.0 ppb (0) 0.71 ppb (8) 30.5 μg/m3 (29) 7.5 μg/m3 (32) 73.0
 
Jan. 16, 2021, 11 a.m. 93.6 ppb (94) 58.8 ppb (57) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 0.92 ppb (11) 32.2 μg/m3 (30) 9.5 μg/m3 (40) 94.0
 
Jan. 16, 2021, 10 a.m. 87.8 ppb (88) 53.5 ppb (51) N/A 34.0 ppb (33) N/A N/A -1.0 ppb (0) 1.01 ppb (12) 37.8 μg/m3 (35) 10.7 μg/m3 (45) 88.0
 
Jan. 16, 2021, 9 a.m. 77.2 ppb (76) 41.6 ppb (40) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.87 ppb (11) 29.9 μg/m3 (28) 10.7 μg/m3 (45) 76.0
 
Jan. 16, 2021, 8 a.m. 114.7 ppb (104) 78.3 ppb (77) N/A 36.0 ppb (34) N/A N/A 0.0 ppb (0) 1.36 ppb (16) 39.5 μg/m3 (37) 12.4 μg/m3 (52) 104.0
 
Jan. 16, 2021, 7 a.m. 120.6 ppb (105) 81.8 ppb (81) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 1.5 ppb (18) 36.8 μg/m3 (35) 11.6 μg/m3 (49) 105.0
 
Jan. 16, 2021, 6 a.m. 99.3 ppb (100) 60.6 ppb (59) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 1.24 ppb (14) 36.8 μg/m3 (35) 12.6 μg/m3 (53) 100.0
 
Jan. 16, 2021, 5 a.m. 114.3 ppb (104) 68.5 ppb (67) N/A 46.0 ppb (44) N/A N/A 0.0 ppb (0) 1.46 ppb (18) 54.1 μg/m3 (51) 13.4 μg/m3 (54) 104.0
 
Jan. 16, 2021, 4 a.m. 98.8 ppb (99) 49.3 ppb (47) N/A 49.0 ppb (47) N/A N/A 0.0 ppb (0) 1.48 ppb (18) 52.8 μg/m3 (49) 10.3 μg/m3 (43) 99.0
 
Jan. 16, 2021, 3 a.m. 92.3 ppb (92) 38.2 ppb (37) N/A 54.0 ppb (51) N/A N/A 0.0 ppb (0) 1.28 ppb (15) 44.8 μg/m3 (42) 8.7 μg/m3 (37) 92.0
 
Jan. 16, 2021, 2 a.m. 78.2 ppb (77) 20.3 ppb (20) N/A 58.0 ppb (56) N/A N/A 0.0 ppb (0) 0.99 ppb (12) 44.8 μg/m3 (42) 7.8 μg/m3 (33) 77.0
 
Jan. 16, 2021, 1 a.m. 74.7 ppb (74) 19.4 ppb (19) N/A 55.0 ppb (53) N/A N/A 3.0 ppb (3) 1.1 ppb (13) 33.4 μg/m3 (31) 3.4 μg/m3 (15) 74.0
 
Jan. 16, 2021, midnight 40.8 ppb (39) 4.8 ppb (5) N/A 36.0 ppb (34) N/A N/A 21.0 ppb (20) 0.54 ppb (6) 24.8 μg/m3 (23) -1.4 μg/m3 (0) 39.0
 
Jan. 15, 2021, 11 p.m. 20.3 ppb (20) 3.1 ppb (3) N/A 17.0 ppb (17) N/A N/A 36.0 ppb (34) 0.33 ppb (4) 16.3 μg/m3 (16) -0.7 μg/m3 (0) 34.0
 
Jan. 15, 2021, 10 p.m. 13.9 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (11) N/A N/A 37.0 ppb (35) 0.25 ppb (3) 16.8 μg/m3 (16) 3.1 μg/m3 (13) 35.0
 
Jan. 15, 2021, 9 p.m. 12.6 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (10) N/A N/A 38.0 ppb (36) 0.22 ppb (3) 19.9 μg/m3 (19) 1.4 μg/m3 (6) 36.0
 
Jan. 15, 2021, 8 p.m. 12.3 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (9) N/A N/A 37.0 ppb (35) 0.21 ppb (3) 34.3 μg/m3 (32) 0.9 μg/m3 (4) 35.0
 
Jan. 15, 2021, 7 p.m. 14.4 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) 0.21 ppb (3) 31.9 μg/m3 (30) 4.8 μg/m3 (20) 33.0
 
Jan. 15, 2021, 6 p.m. 16.1 ppb (16) 4.6 ppb (5) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 44.5 μg/m3 (42) 7.5 μg/m3 (32) 42.0
 
Jan. 15, 2021, 5 p.m. 14.9 ppb (15) 3.7 ppb (4) N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) 0.22 ppb (3) 55.2 μg/m3 (52) 9.3 μg/m3 (39) 52.0
 
Jan. 15, 2021, 4 p.m. 72.2 ppb (71) 37.5 ppb (36) N/A 35.0 ppb (34) N/A N/A 7.0 ppb (7) 0.7 ppb (8) 74.5 μg/m3 (61) 12.1 μg/m3 (51) 71.0
 
Jan. 15, 2021, 3 p.m. 114.6 ppb (104) 73.8 ppb (73) N/A 41.0 ppb (39) N/A N/A 0.0 ppb (0) 1.08 ppb (13) 90.2 μg/m3 (69) 10.5 μg/m3 (44) 104.0
 
Jan. 15, 2021, 2 p.m. 93.7 ppb (94) 56.4 ppb (54) N/A 37.0 ppb (35) N/A N/A -1.0 ppb (0) 0.91 ppb (11) 39.2 μg/m3 (37) 6.8 μg/m3 (29) 94.0
 
Jan. 15, 2021, 1 p.m. 76.7 ppb (76) 38.3 ppb (37) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.67 ppb (8) 33.7 μg/m3 (32) 5.5 μg/m3 (23) 76.0
 
Jan. 15, 2021, noon 53.6 ppb (51) 16.1 ppb (16) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.51 ppb (6) 25.2 μg/m3 (24) 5.0 μg/m3 (21) 51.0
 
Jan. 15, 2021, 11 a.m. 50.8 ppb (48) 13.2 ppb (13) N/A 38.0 ppb (36) N/A N/A 0.0 ppb (0) 0.47 ppb (6) 26.1 μg/m3 (25) 3.6 μg/m3 (16) 48.0
 
Jan. 15, 2021, 10 a.m. 48.4 ppb (46) 11.6 ppb (11) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.44 ppb (5) 19.1 μg/m3 (18) 4.3 μg/m3 (18) 46.0
 
Jan. 15, 2021, 9 a.m. 59.0 ppb (57) 18.8 ppb (18) N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 0.56 ppb (7) 21.7 μg/m3 (21) 9.8 μg/m3 (41) 57.0
 
Jan. 15, 2021, 8 a.m. 82.2 ppb (82) 37.0 ppb (35) N/A 45.0 ppb (43) N/A N/A 0.0 ppb (0) 0.85 ppb (10) 38.2 μg/m3 (36) 11.1 μg/m3 (47) 82.0
 
Jan. 15, 2021, 7 a.m. 61.3 ppb (59) 25.3 ppb (24) N/A 36.0 ppb (34) N/A N/A 6.0 ppb (6) 0.65 ppb (8) 38.2 μg/m3 (36) 5.3 μg/m3 (23) 59.0
 
Jan. 15, 2021, 6 a.m. 7.6 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.2 ppb (3) 28.8 μg/m3 (27) 3.9 μg/m3 (17) 29.0
 
Jan. 15, 2021, 5 a.m. 19.6 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (21) 0.28 ppb (4) 36.1 μg/m3 (34) 6.8 μg/m3 (29) 34.0
 
Jan. 15, 2021, 4 a.m. 144.3 ppb (110) 84.4 ppb (84) N/A 60.0 ppb (58) N/A N/A 0.0 ppb (0) 1.59 ppb (19) 65.7 μg/m3 (57) 23.2 μg/m3 (75) 110.0
 
Jan. 15, 2021, 3 a.m. 157.6 ppb (112) 93.2 ppb (93) N/A 64.0 ppb (62) N/A N/A 0.0 ppb (0) 1.74 ppb (20) 67.4 μg/m3 (58) 23.6 μg/m3 (76) 112.0
 
Jan. 15, 2021, 2 a.m. 130.1 ppb (107) 68.5 ppb (67) N/A 62.0 ppb (60) N/A N/A 0.0 ppb (0) 1.49 ppb (18) 63.2 μg/m3 (56) 20.4 μg/m3 (69) 107.0
 
Jan. 15, 2021, 1 a.m. 98.9 ppb (99) 35.2 ppb (34) N/A 64.0 ppb (62) N/A N/A 0.0 ppb (0) 1.01 ppb (12) 55.7 μg/m3 (52) 20.4 μg/m3 (69) 99.0
 
Jan. 15, 2021, midnight 92.8 ppb (93) 25.7 ppb (25) N/A 67.0 ppb (65) N/A N/A 2.0 ppb (2) 0.77 ppb (10) 64.4 μg/m3 (56) 24.1 μg/m3 (77) 93.0
 
Jan. 14, 2021, 11 p.m. 97.8 ppb (98) 34.9 ppb (33) N/A 63.0 ppb (61) N/A N/A 8.0 ppb (8) 0.79 ppb (10) 70.1 μg/m3 (59) 23.9 μg/m3 (76) 98.0
 
Jan. 14, 2021, 10 p.m. 66.8 ppb (65) 20.5 ppb (20) N/A 46.0 ppb (44) N/A N/A 16.0 ppb (15) 0.74 ppb (8) 56.6 μg/m3 (52) 18.7 μg/m3 (65) 65.0