ID: 168

AQSQID: 060590007

Site Name: Anaheim

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

Updated: Oct. 19, 2021, 11:03 a.m.

Location: Anaheim (Swest Anaheim), CA

Reporting: True, Located: True

Current AQI: 25.0

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
Oct. 19, 2021, 9 a.m. 21.1 ppb (20) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (5) 0.36 ppb (5) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 8 a.m. 9.0 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.2 ppb (3) 18.0 μg/m3 (17) 5.3 μg/m3 (23) 23.0
 
Oct. 19, 2021, 7 a.m. 11.4 ppb (11) -0.1 ppb (0) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) 0.25 ppb (3) 20.0 μg/m3 (19) 5.3 μg/m3 (23) 23.0
 
Oct. 19, 2021, 6 a.m. 15.8 ppb (15) 0.1 ppb (1) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) 0.32 ppb (4) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 5 a.m. 18.3 ppb (18) 0.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (14) 0.37 ppb (5) 18.0 μg/m3 (17) 6.8 μg/m3 (29) 29.0
 
Oct. 19, 2021, 4 a.m. 14.8 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 0.29 ppb (4) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 3 a.m. 8.1 ppb (8) -0.3 ppb (0) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.21 ppb (3) 20.0 μg/m3 (19) 13.1 μg/m3 (54) 54.0
 
Oct. 19, 2021, 2 a.m. 4.8 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.17 ppb (3) 22.0 μg/m3 (21) 8.5 μg/m3 (36) 36.0
 
Oct. 19, 2021, 1 a.m. 5.4 ppb (6) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.16 ppb (3) 8.0 μg/m3 (8) 4.1 μg/m3 (18) 31.0
 
Oct. 19, 2021, midnight 3.6 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.15 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 34.0
 
Oct. 18, 2021, 11 p.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.14 ppb (2) 9.0 μg/m3 (9) 3.3 μg/m3 (14) 35.0
 
Oct. 18, 2021, 10 p.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.14 ppb (2) 11.0 μg/m3 (11) 4.3 μg/m3 (18) 37.0
 
Oct. 18, 2021, 9 p.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.14 ppb (2) 6.0 μg/m3 (6) 1.6 μg/m3 (7) 36.0
 
Oct. 18, 2021, 8 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.14 ppb (2) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 37.0
 
Oct. 18, 2021, 7 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.14 ppb (2) 10.0 μg/m3 (10) 5.2 μg/m3 (22) 37.0
 
Oct. 18, 2021, 6 p.m. 6.3 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 19.0 μg/m3 (18) 3.3 μg/m3 (14) 32.0
 
Oct. 18, 2021, 5 p.m. 6.3 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 9.0 μg/m3 (9) 6.7 μg/m3 (28) 32.0
 
Oct. 18, 2021, 4 p.m. 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.17 ppb (3) 12.0 μg/m3 (12) 9.5 μg/m3 (40) 40.0
 
Oct. 18, 2021, 3 p.m. 11.1 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.23 ppb (3) 11.0 μg/m3 (11) 8.7 μg/m3 (37) 37.0
 
Oct. 18, 2021, 2 p.m. 9.3 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.26 ppb (4) 13.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2021, 1 p.m. 7.9 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) 0.22 ppb (3) 17.0 μg/m3 (16) 8.7 μg/m3 (37) 37.0
 
Oct. 18, 2021, noon 5.5 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.17 ppb (3) 11.0 μg/m3 (11) 7.5 μg/m3 (32) 32.0
 
Oct. 18, 2021, 11 a.m. 5.3 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.15 ppb (2) 12.0 μg/m3 (12) 8.7 μg/m3 (37) 37.0
 
Oct. 18, 2021, 10 a.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.16 ppb (3) 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Oct. 18, 2021, 9 a.m. 9.5 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.22 ppb (3) N/A N/A 15.0
 
Oct. 18, 2021, 8 a.m. 6.7 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 18.0 ppb (17) 0.21 ppb (3) 13.0 μg/m3 (13) 9.7 μg/m3 (41) 41.0
 
Oct. 18, 2021, 7 a.m. 4.7 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.18 ppb (3) 12.0 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
Oct. 18, 2021, 6 a.m. 7.0 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 20.0 ppb (19) 0.21 ppb (3) 21.0 μg/m3 (20) 9.2 μg/m3 (39) 39.0
 
Oct. 18, 2021, 5 a.m. 14.2 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.29 ppb (4) 22.0 μg/m3 (21) 9.7 μg/m3 (41) 41.0
 
Oct. 18, 2021, 4 a.m. 7.3 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) 0.22 ppb (3) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2021, 3 a.m. 6.1 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.21 ppb (3) 28.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
Oct. 18, 2021, 2 a.m. 5.5 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.19 ppb (3) 24.0 μg/m3 (23) 9.2 μg/m3 (39) 39.0
 
Oct. 18, 2021, 1 a.m. 5.1 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.21 ppb (3) 34.0 μg/m3 (32) 9.5 μg/m3 (40) 40.0
 
Oct. 18, 2021, midnight 4.7 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.2 ppb (3) 24.0 μg/m3 (23) 15.2 μg/m3 (58) 58.0
 
Oct. 17, 2021, 11 p.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) 0.21 ppb (3) 30.0 μg/m3 (28) 15.5 μg/m3 (59) 59.0
 
Oct. 17, 2021, 10 p.m. 3.7 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) 0.18 ppb (3) 31.0 μg/m3 (29) 10.2 μg/m3 (43) 48.0
 
Oct. 17, 2021, 9 p.m. 3.7 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) 0.17 ppb (3) 20.0 μg/m3 (19) 8.1 μg/m3 (34) 50.0
 
Oct. 17, 2021, 8 p.m. 9.9 ppb (10) 1.5 ppb (2) N/A 8.0 ppb (8) N/A N/A 47.0 ppb (44) 0.21 ppb (3) 11.0 μg/m3 (11) 8.7 μg/m3 (37) 44.0
 
Oct. 17, 2021, 7 p.m. 11.6 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (10) N/A N/A 47.0 ppb (44) 0.26 ppb (4) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 44.0
 
Oct. 17, 2021, 6 p.m. 8.0 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 48.0 ppb (45) 0.26 ppb (4) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 45.0
 
Oct. 17, 2021, 5 p.m. 12.2 ppb (12) 1.9 ppb (2) N/A 10.0 ppb (10) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2021, 4 p.m. 21.1 ppb (20) 4.9 ppb (5) N/A 16.0 ppb (16) N/A N/A 27.0 ppb (25) 0.38 ppb (5) 24.0 μg/m3 (23) 12.8 μg/m3 (53) 53.0
 
Oct. 17, 2021, 3 p.m. 42.7 ppb (41) 17.4 ppb (17) N/A 25.0 ppb (24) N/A N/A 9.0 ppb (9) 0.65 ppb (8) 34.0 μg/m3 (32) 13.8 μg/m3 (55) 55.0
 
Oct. 17, 2021, 2 p.m. 44.9 ppb (43) 16.1 ppb (16) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 0.72 ppb (8) 35.0 μg/m3 (33) 15.5 μg/m3 (59) 59.0
 
Oct. 17, 2021, 1 p.m. 38.6 ppb (37) 8.5 ppb (9) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 0.58 ppb (7) 26.0 μg/m3 (25) 5.8 μg/m3 (25) 37.0
 
Oct. 17, 2021, noon 32.9 ppb (32) 3.5 ppb (4) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.45 ppb (6) 17.0 μg/m3 (16) 4.8 μg/m3 (20) 32.0
 
Oct. 17, 2021, 11 a.m. 30.3 ppb (29) 2.3 ppb (3) N/A 28.0 ppb (27) N/A N/A 2.0 ppb (2) 0.53 ppb (6) 28.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2021, 10 a.m. 35.4 ppb (34) 4.1 ppb (4) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 0.62 ppb (7) 30.0 μg/m3 (28) 11.9 μg/m3 (50) 50.0
 
Oct. 17, 2021, 9 a.m. 38.5 ppb (37) 5.8 ppb (6) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 0.79 ppb (10) 28.0 μg/m3 (26) 15.8 μg/m3 (59) 59.0
 
Oct. 17, 2021, 8 a.m. 37.7 ppb (36) 2.9 ppb (3) N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) 0.81 ppb (10) 32.0 μg/m3 (30) 7.7 μg/m3 (33) 36.0
 
Oct. 17, 2021, 7 a.m. 30.7 ppb (29) 1.0 ppb (1) N/A 30.0 ppb (29) N/A N/A 13.0 ppb (13) 0.54 ppb (6) 26.0 μg/m3 (25) 14.8 μg/m3 (57) 57.0
 
Oct. 17, 2021, 6 a.m. 38.4 ppb (37) 1.3 ppb (2) N/A 37.0 ppb (35) N/A N/A 5.0 ppb (5) 0.68 ppb (8) 32.0 μg/m3 (30) 15.0 μg/m3 (58) 58.0
 
Oct. 17, 2021, 5 a.m. 51.4 ppb (49) 4.0 ppb (4) N/A 47.0 ppb (45) N/A N/A 0.0 ppb (0) 0.79 ppb (10) 44.0 μg/m3 (41) 19.4 μg/m3 (67) 67.0
 
Oct. 17, 2021, 4 a.m. 45.3 ppb (43) 2.7 ppb (3) N/A 43.0 ppb (41) N/A N/A 3.0 ppb (3) 0.64 ppb (7) 48.0 μg/m3 (45) 16.3 μg/m3 (60) 60.0
 
Oct. 17, 2021, 3 a.m. 37.8 ppb (36) 1.4 ppb (2) N/A 36.0 ppb (34) N/A N/A 11.0 ppb (11) 0.46 ppb (6) 30.0 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
Oct. 17, 2021, 2 a.m. 29.2 ppb (28) 0.0 ppb (0) N/A 29.0 ppb (28) N/A N/A 22.0 ppb (21) 0.38 ppb (5) 29.0 μg/m3 (27) 11.6 μg/m3 (49) 49.0
 
Oct. 17, 2021, 1 a.m. 16.7 ppb (16) -0.4 ppb (0) N/A 17.0 ppb (17) N/A N/A 36.0 ppb (34) 0.23 ppb (3) 17.0 μg/m3 (16) 6.7 μg/m3 (28) 34.0
 
Oct. 17, 2021, midnight 7.3 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (8) N/A N/A 45.0 ppb (42) 0.17 ppb (3) 7.0 μg/m3 (7) 3.8 μg/m3 (16) 42.0
 
Oct. 16, 2021, 11 p.m. 4.9 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) 0.16 ppb (3) 9.0 μg/m3 (9) 0.9 μg/m3 (4) 46.0
 
Oct. 16, 2021, 10 p.m. 5.3 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) 0.15 ppb (2) 10.0 μg/m3 (10) -1.2 μg/m3 (0) 45.0
 
Oct. 16, 2021, 9 p.m. 7.9 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 48.0 ppb (45) 0.18 ppb (3) 19.0 μg/m3 (18) 2.8 μg/m3 (12) 45.0
 
Oct. 16, 2021, 8 p.m. 8.6 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 47.0 ppb (44) 0.2 ppb (3) 22.0 μg/m3 (21) 1.3 μg/m3 (6) 44.0
 
Oct. 16, 2021, 7 p.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.16 ppb (3) 7.0 μg/m3 (7) -1.0 μg/m3 (0) 45.0
 
Oct. 16, 2021, 6 p.m. 5.4 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) 0.18 ppb (3) 7.0 μg/m3 (7) -0.8 μg/m3 (0) 40.0
 
Oct. 16, 2021, 5 p.m. 14.4 ppb (14) 2.6 ppb (3) N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.29 ppb (4) 13.0 μg/m3 (13) 2.5 μg/m3 (11) 33.0
 
Oct. 16, 2021, 4 p.m. 33.0 ppb (32) 9.9 ppb (10) N/A 23.0 ppb (22) N/A N/A 21.0 ppb (20) 0.46 ppb (6) 30.0 μg/m3 (28) 8.5 μg/m3 (36) 36.0
 
Oct. 16, 2021, 3 p.m. 70.0 ppb (69) 33.3 ppb (32) N/A 37.0 ppb (35) N/A N/A 6.0 ppb (6) 0.86 ppb (11) 44.0 μg/m3 (41) 6.7 μg/m3 (28) 69.0
 
Oct. 16, 2021, 2 p.m. 80.8 ppb (80) 40.6 ppb (39) N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 0.86 ppb (11) 51.0 μg/m3 (48) 3.1 μg/m3 (13) 80.0
 
Oct. 16, 2021, 1 p.m. 33.3 ppb (32) 1.7 ppb (2) N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.38 ppb (5) 24.0 μg/m3 (23) 4.1 μg/m3 (18) 32.0
 
Oct. 16, 2021, noon 29.1 ppb (28) 1.3 ppb (2) N/A 28.0 ppb (27) N/A N/A 11.0 ppb (11) 0.3 ppb (4) 18.0 μg/m3 (17) 9.2 μg/m3 (39) 39.0
 
Oct. 16, 2021, 11 a.m. 45.5 ppb (43) 9.7 ppb (10) N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 0.54 ppb (6) 29.0 μg/m3 (27) 8.0 μg/m3 (34) 43.0
 
Oct. 16, 2021, 10 a.m. 34.0 ppb (33) 1.2 ppb (2) N/A 33.0 ppb (32) N/A N/A 4.0 ppb (4) 0.44 ppb (5) 16.0 μg/m3 (15) 4.5 μg/m3 (19) 33.0
 
Oct. 16, 2021, 9 a.m. 14.5 ppb (14) -0.3 ppb (0) N/A 15.0 ppb (15) N/A N/A 26.0 ppb (25) 0.26 ppb (4) 14.0 μg/m3 (13) 5.3 μg/m3 (23) 25.0
 
Oct. 16, 2021, 8 a.m. 9.3 ppb (9) -0.5 ppb (0) N/A 10.0 ppb (10) N/A N/A 33.0 ppb (31) 0.22 ppb (3) 18.0 μg/m3 (17) 6.7 μg/m3 (28) 31.0
 
Oct. 16, 2021, 7 a.m. 17.5 ppb (17) -0.2 ppb (0) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (22) 0.35 ppb (4) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Oct. 16, 2021, 6 a.m. 34.7 ppb (33) 2.8 ppb (3) N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) 0.57 ppb (7) 28.0 μg/m3 (26) 6.7 μg/m3 (28) 33.0
 
Oct. 16, 2021, 5 a.m. 26.6 ppb (26) 0.6 ppb (1) N/A 26.0 ppb (25) N/A N/A 17.0 ppb (16) 0.47 ppb (6) 32.0 μg/m3 (30) 5.8 μg/m3 (25) 30.0
 
Oct. 16, 2021, 4 a.m. 40.7 ppb (39) 2.9 ppb (3) N/A 38.0 ppb (36) N/A N/A 6.0 ppb (6) 0.67 ppb (8) 43.0 μg/m3 (40) 15.5 μg/m3 (59) 59.0
 
Oct. 16, 2021, 3 a.m. 35.5 ppb (34) 0.7 ppb (1) N/A 35.0 ppb (34) N/A N/A 13.0 ppb (13) 0.57 ppb (7) 40.0 μg/m3 (38) 11.1 μg/m3 (47) 47.0
 
Oct. 16, 2021, 2 a.m. 31.8 ppb (30) 0.3 ppb (1) N/A 32.0 ppb (31) N/A N/A 22.0 ppb (21) 0.49 ppb (6) 35.0 μg/m3 (33) 7.5 μg/m3 (32) 33.0
 
Oct. 16, 2021, 1 a.m. 19.2 ppb (19) 0.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 34.0 ppb (32) 0.32 ppb (4) 31.0 μg/m3 (29) 3.5 μg/m3 (15) 32.0
 
Oct. 16, 2021, midnight 10.2 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 40.0 ppb (38) 0.23 ppb (3) 24.0 μg/m3 (23) 0.6 μg/m3 (3) 38.0
 
Oct. 15, 2021, 11 p.m. 6.4 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.18 ppb (3) 34.0 μg/m3 (32) 0.0 μg/m3 (0) 42.0
 
Oct. 15, 2021, 10 p.m. 5.1 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.17 ppb (3) 39.0 μg/m3 (37) 2.5 μg/m3 (11) 43.0
 
Oct. 15, 2021, 9 p.m. 5.8 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.18 ppb (3) 47.0 μg/m3 (44) 2.8 μg/m3 (12) 44.0
 
Oct. 15, 2021, 8 p.m. 5.7 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.2 ppb (3) 51.0 μg/m3 (48) 6.2 μg/m3 (26) 48.0
 
Oct. 15, 2021, 7 p.m. 6.9 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) 0.18 ppb (3) 61.0 μg/m3 (54) 6.9 μg/m3 (29) 54.0
 
Oct. 15, 2021, 6 p.m. 9.1 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.18 ppb (3) 60.0 μg/m3 (54) 1.3 μg/m3 (6) 54.0
 
Oct. 15, 2021, 5 p.m. 7.6 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.17 ppb (3) 61.0 μg/m3 (54) -0.2 μg/m3 (0) 54.0
 
Oct. 15, 2021, 4 p.m. 10.2 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 65.0 μg/m3 (56) 5.8 μg/m3 (25) 56.0
 
Oct. 15, 2021, 3 p.m. 89.8 ppb (90) 61.9 ppb (60) N/A 28.0 ppb (27) N/A N/A 10.0 ppb (10) 1.1 ppb (13) 70.0 μg/m3 (59) 12.1 μg/m3 (51) 90.0
 
Oct. 15, 2021, 2 p.m. 152.2 ppb (111) 116.0 ppb (104) N/A 36.0 ppb (34) N/A N/A 0.0 ppb (0) 1.82 ppb (21) 100.0 μg/m3 (74) 29.0 μg/m3 (87) 111.0
 
Oct. 15, 2021, 1 p.m. 100.4 ppb (101) 67.1 ppb (65) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 1.26 ppb (15) 49.0 μg/m3 (46) 20.4 μg/m3 (69) 101.0
 
Oct. 15, 2021, noon 89.4 ppb (89) 53.0 ppb (50) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.99 ppb (12) 44.0 μg/m3 (41) 15.5 μg/m3 (59) 89.0
 
Oct. 15, 2021, 11 a.m. 83.5 ppb (83) 46.6 ppb (44) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.84 ppb (10) 52.0 μg/m3 (49) 22.2 μg/m3 (73) 83.0
 
Oct. 15, 2021, 10 a.m. 72.7 ppb (71) 38.0 ppb (36) N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 0.85 ppb (10) 43.0 μg/m3 (40) 16.1 μg/m3 (60) 71.0
 
Oct. 15, 2021, 9 a.m. 75.8 ppb (75) 39.8 ppb (38) N/A 36.0 ppb (34) N/A N/A 0.0 ppb (0) 0.98 ppb (12) 45.0 μg/m3 (42) 18.5 μg/m3 (65) 75.0
 
Oct. 15, 2021, 8 a.m. 81.2 ppb (80) 42.7 ppb (41) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 0.96 ppb (12) 50.0 μg/m3 (47) 19.4 μg/m3 (67) 80.0
 
Oct. 15, 2021, 7 a.m. 79.8 ppb (79) 38.5 ppb (37) N/A 41.0 ppb (39) N/A N/A 0.0 ppb (0) 1.03 ppb (12) 50.0 μg/m3 (47) 18.0 μg/m3 (64) 79.0
 
Oct. 15, 2021, 6 a.m. 62.8 ppb (61) 19.9 ppb (19) N/A 43.0 ppb (41) N/A N/A 0.0 ppb (0) 0.92 ppb (11) 47.0 μg/m3 (44) 17.7 μg/m3 (63) 63.0
 
Oct. 15, 2021, 5 a.m. 47.8 ppb (46) 4.7 ppb (5) N/A 43.0 ppb (41) N/A N/A 1.0 ppb (1) 0.76 ppb (10) 49.0 μg/m3 (46) 20.2 μg/m3 (69) 69.0
 
Oct. 15, 2021, 4 a.m. 38.7 ppb (37) 1.3 ppb (2) N/A 37.0 ppb (35) N/A N/A 8.0 ppb (8) 0.66 ppb (8) 44.0 μg/m3 (41) 19.4 μg/m3 (67) 67.0
 
Oct. 15, 2021, 3 a.m. 36.1 ppb (35) 0.5 ppb (1) N/A 36.0 ppb (34) N/A N/A 13.0 ppb (13) 0.6 ppb (7) 47.0 μg/m3 (44) 17.5 μg/m3 (63) 63.0
 
Oct. 15, 2021, 2 a.m. 27.1 ppb (26) -0.1 ppb (0) N/A 27.0 ppb (26) N/A N/A 27.0 ppb (25) 0.48 ppb (6) 35.0 μg/m3 (33) 21.9 μg/m3 (72) 72.0
 
Oct. 15, 2021, 1 a.m. 22.3 ppb (22) -0.2 ppb (0) N/A 22.0 ppb (21) N/A N/A 36.0 ppb (34) 0.39 ppb (5) 35.0 μg/m3 (33) 16.7 μg/m3 (61) 61.0
 
Oct. 15, 2021, midnight 16.4 ppb (16) 0.4 ppb (1) N/A 16.0 ppb (16) N/A N/A 38.0 ppb (36) 0.26 ppb (4) 25.0 μg/m3 (24) 11.6 μg/m3 (49) 49.0
 
Oct. 14, 2021, 11 p.m. 12.4 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 45.0 ppb (42) 0.23 ppb (3) 28.0 μg/m3 (26) 9.2 μg/m3 (39) 42.0
 
Oct. 14, 2021, 10 p.m. 9.9 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 49.0 ppb (46) 0.22 ppb (3) 26.0 μg/m3 (25) 6.7 μg/m3 (28) 46.0
 
Oct. 14, 2021, 9 p.m. 10.4 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 49.0 ppb (46) 0.23 ppb (3) 29.0 μg/m3 (27) 7.9 μg/m3 (33) 46.0
 
Oct. 14, 2021, 8 p.m. 15.6 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A N/A 44.0 ppb (41) 0.28 ppb (4) 43.0 μg/m3 (40) 10.9 μg/m3 (46) 46.0
 
Oct. 14, 2021, 7 p.m. 20.9 ppb (20) 3.9 ppb (4) N/A 17.0 ppb (17) N/A N/A 40.0 ppb (38) 0.38 ppb (5) 35.0 μg/m3 (33) 9.2 μg/m3 (39) 39.0
 
Oct. 14, 2021, 6 p.m. 21.8 ppb (21) 4.8 ppb (5) N/A 17.0 ppb (17) N/A N/A 36.0 ppb (34) 0.36 ppb (5) 28.0 μg/m3 (26) 9.2 μg/m3 (39) 39.0
 
Oct. 14, 2021, 5 p.m. 34.5 ppb (33) 10.7 ppb (11) N/A 24.0 ppb (23) N/A N/A 22.0 ppb (21) 0.44 ppb (5) 32.0 μg/m3 (30) 11.4 μg/m3 (48) 48.0
 
Oct. 14, 2021, 4 p.m. 49.2 ppb (47) 19.7 ppb (19) N/A 30.0 ppb (29) N/A N/A 13.0 ppb (13) 0.54 ppb (6) 48.0 μg/m3 (45) 11.6 μg/m3 (49) 49.0
 
Oct. 14, 2021, 3 p.m. 74.7 ppb (74) 40.1 ppb (38) N/A 35.0 ppb (34) N/A N/A 4.0 ppb (4) 0.77 ppb (10) 65.0 μg/m3 (56) 15.3 μg/m3 (58) 74.0
 
Oct. 14, 2021, 2 p.m. 87.0 ppb (87) 50.6 ppb (48) N/A 36.0 ppb (34) N/A N/A 0.0 ppb (0) 0.92 ppb (11) 68.0 μg/m3 (58) 21.5 μg/m3 (71) 87.0
 
Oct. 14, 2021, 1 p.m. 76.5 ppb (75) 40.8 ppb (39) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.8 ppb (10) 45.0 μg/m3 (42) 15.8 μg/m3 (59) 75.0
 
Oct. 14, 2021, noon 81.7 ppb (81) 45.0 ppb (43) N/A 37.0 ppb (35) N/A N/A -1.0 ppb (0) 0.63 ppb (7) 44.0 μg/m3 (41) 9.5 μg/m3 (40) 81.0
 
Oct. 14, 2021, 11 a.m. 66.8 ppb (65) 30.8 ppb (30) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.51 ppb (6) 45.0 μg/m3 (42) 10.5 μg/m3 (44) 65.0
 
Oct. 14, 2021, 10 a.m. 56.1 ppb (54) 22.6 ppb (22) N/A 33.0 ppb (32) N/A N/A -1.0 ppb (0) 0.47 ppb (6) 20.0 μg/m3 (19) 8.7 μg/m3 (37) 54.0
 
Oct. 14, 2021, 9 a.m. 49.1 ppb (47) 13.3 ppb (13) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.44 ppb (5) 29.0 μg/m3 (27) 10.0 μg/m3 (42) 47.0
 
Oct. 14, 2021, 8 a.m. 42.9 ppb (41) 7.3 ppb (7) N/A 36.0 ppb (34) N/A N/A 0.0 ppb (0) 0.5 ppb (6) 29.0 μg/m3 (27) 13.8 μg/m3 (55) 55.0
 
Oct. 14, 2021, 7 a.m. 42.7 ppb (41) 8.5 ppb (9) N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 0.71 ppb (8) 45.0 μg/m3 (42) 18.5 μg/m3 (65) 65.0
 
Oct. 14, 2021, 6 a.m. 46.0 ppb (44) 8.2 ppb (8) N/A 38.0 ppb (36) N/A N/A 0.0 ppb (0) 0.8 ppb (10) 40.0 μg/m3 (38) 14.5 μg/m3 (57) 57.0
 
Oct. 14, 2021, 5 a.m. 33.6 ppb (32) 1.3 ppb (2) N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) 0.61 ppb (7) 46.0 μg/m3 (43) 19.2 μg/m3 (66) 66.0
 
Oct. 14, 2021, 4 a.m. 27.1 ppb (26) 0.5 ppb (1) N/A 27.0 ppb (26) N/A N/A 17.0 ppb (16) 0.53 ppb (6) 50.0 μg/m3 (47) 18.0 μg/m3 (64) 64.0
 
Oct. 14, 2021, 3 a.m. 20.6 ppb (20) 0.2 ppb (1) N/A 20.0 ppb (19) N/A N/A 29.0 ppb (27) 0.42 ppb (5) 35.0 μg/m3 (33) 17.2 μg/m3 (62) 62.0
 
Oct. 14, 2021, 2 a.m. 17.3 ppb (17) -0.2 ppb (0) N/A 17.0 ppb (17) N/A N/A 34.0 ppb (32) 0.37 ppb (5) 32.0 μg/m3 (30) 11.4 μg/m3 (48) 48.0
 
Oct. 14, 2021, 1 a.m. 12.2 ppb (12) -0.3 ppb (0) N/A 12.0 ppb (12) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 21.0 μg/m3 (20) 11.8 μg/m3 (50) 50.0
 
Oct. 14, 2021, midnight 11.5 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 40.0 ppb (38) 0.28 ppb (4) 26.0 μg/m3 (25) 10.2 μg/m3 (43) 43.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 7.9 μg/m3 (33) 33.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 6.4 μg/m3 (27) 31.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 8.7 μg/m3 (37) 41.0
 
Oct. 13, 2021, 8 p.m. 29.5 ppb (28) 7.4 ppb (7) N/A 22.0 ppb (21) N/A N/A 33.0 ppb (31) 0.38 ppb (5) 53.0 μg/m3 (50) 10.2 μg/m3 (43) 50.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 7.7 μg/m3 (33) 33.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 7.4 μg/m3 (31) 31.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 9.5 μg/m3 (40) 40.0
 
Oct. 13, 2021, 4 p.m. 43.2 ppb (41) 16.7 ppb (16) N/A 27.0 ppb (26) N/A N/A 14.0 ppb (13) 0.54 ppb (6) 51.0 μg/m3 (48) 10.5 μg/m3 (44) 48.0
 
Oct. 13, 2021, 3 p.m. 58.7 ppb (57) 27.2 ppb (26) N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.58 ppb (7) 62.0 μg/m3 (55) 10.9 μg/m3 (46) 57.0
 
Oct. 13, 2021, 2 p.m. 95.8 ppb (96) 56.4 ppb (54) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 0.79 ppb (10) N/A N/A 96.0
 
Oct. 13, 2021, 1 p.m. 79.3 ppb (78) 41.0 ppb (39) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.71 ppb (8) N/A N/A 78.0
 
Oct. 13, 2021, noon 64.5 ppb (63) 26.2 ppb (25) N/A 38.0 ppb (36) N/A N/A 0.0 ppb (0) 0.54 ppb (6) 43.0 μg/m3 (40) 11.5 μg/m3 (48) 63.0
 
Oct. 13, 2021, 11 a.m. 54.3 ppb (52) 18.1 ppb (18) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.44 ppb (5) 31.0 μg/m3 (29) 10.6 μg/m3 (45) 52.0
 
Oct. 13, 2021, 10 a.m. 55.8 ppb (53) 20.2 ppb (20) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.49 ppb (6) 42.0 μg/m3 (39) 7.7 μg/m3 (33) 53.0
 
Oct. 13, 2021, 9 a.m. 26.7 ppb (26) 1.6 ppb (2) N/A 25.0 ppb (24) N/A N/A 8.0 ppb (8) 0.37 ppb (5) 31.0 μg/m3 (29) 7.8 μg/m3 (33) 33.0
 
Oct. 13, 2021, 8 a.m. 30.2 ppb (29) 1.7 ppb (2) N/A 28.0 ppb (27) N/A N/A 5.0 ppb (5) 0.4 ppb (5) 26.0 μg/m3 (25) 8.5 μg/m3 (36) 36.0
 
Oct. 13, 2021, 7 a.m. 39.1 ppb (37) 5.7 ppb (6) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 0.51 ppb (6) 35.0 μg/m3 (33) 15.8 μg/m3 (59) 59.0
 
Oct. 13, 2021, 6 a.m. 32.5 ppb (31) 3.1 ppb (3) N/A 29.0 ppb (28) N/A N/A 7.0 ppb (7) 0.59 ppb (7) 43.0 μg/m3 (40) 14.1 μg/m3 (56) 56.0
 
Oct. 13, 2021, 5 a.m. 26.6 ppb (26) 1.2 ppb (2) N/A 25.0 ppb (24) N/A N/A 13.0 ppb (13) 0.55 ppb (7) 28.0 μg/m3 (26) 21.5 μg/m3 (71) 71.0
 
Oct. 13, 2021, 4 a.m. 38.0 ppb (36) 4.4 ppb (5) N/A 34.0 ppb (33) N/A N/A 6.0 ppb (6) 0.6 ppb (7) 32.0 μg/m3 (30) 12.1 μg/m3 (51) 51.0
 
Oct. 13, 2021, 3 a.m. 15.8 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) 0.38 ppb (5) 26.0 μg/m3 (25) 8.7 μg/m3 (37) 37.0
 
Oct. 13, 2021, 2 a.m. 9.8 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) 0.29 ppb (4) 27.0 μg/m3 (25) 10.2 μg/m3 (43) 43.0
 
Oct. 13, 2021, 1 a.m. 9.5 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.29 ppb (4) 33.0 μg/m3 (31) 13.1 μg/m3 (54) 54.0
 
Oct. 13, 2021, midnight 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 44.0 ppb (41) 0.31 ppb (4) 35.0 μg/m3 (33) 6.5 μg/m3 (28) 41.0
 
Oct. 12, 2021, 11 p.m. 8.2 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 40.0 ppb (38) 0.21 ppb (3) 30.0 μg/m3 (28) -0.5 μg/m3 (0) 38.0
 
Oct. 12, 2021, 10 p.m. 7.7 ppb (8) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) 0.2 ppb (3) 36.0 μg/m3 (34) 0.0 μg/m3 (0) 38.0
 
Oct. 12, 2021, 9 p.m. 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.19 ppb (3) 23.0 μg/m3 (22) 0.0 μg/m3 (0) 38.0
 
Oct. 12, 2021, 8 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.17 ppb (3) 16.0 μg/m3 (15) 0.4 μg/m3 (2) 38.0
 
Oct. 12, 2021, 7 p.m. 5.1 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.18 ppb (3) 14.0 μg/m3 (13) 1.6 μg/m3 (7) 35.0
 
Oct. 12, 2021, 6 p.m. 4.8 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.18 ppb (3) 23.0 μg/m3 (22) 0.9 μg/m3 (4) 33.0
 
Oct. 12, 2021, 5 p.m. 8.2 ppb (8) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.22 ppb (3) 24.0 μg/m3 (23) -0.2 μg/m3 (0) 29.0
 
Oct. 12, 2021, 4 p.m. 8.5 ppb (9) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.24 ppb (3) 36.0 μg/m3 (34) -0.2 μg/m3 (0) 34.0
 
Oct. 12, 2021, 3 p.m. 19.4 ppb (19) 5.8 ppb (6) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.33 ppb (4) 41.0 μg/m3 (38) 6.9 μg/m3 (29) 38.0
 
Oct. 12, 2021, 2 p.m. 49.8 ppb (47) 18.1 ppb (18) N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.58 ppb (7) 71.0 μg/m3 (59) 8.8 μg/m3 (37) 59.0
 
Oct. 12, 2021, 1 p.m. 21.5 ppb (21) 2.5 ppb (3) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (15) 0.35 ppb (4) 40.0 μg/m3 (38) 4.1 μg/m3 (18) 38.0
 
Oct. 12, 2021, noon 13.6 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A 22.0 ppb (21) 0.24 ppb (3) 46.0 μg/m3 (43) 3.8 μg/m3 (16) 43.0
 
Oct. 12, 2021, 11 a.m. 9.6 ppb (10) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) 0.2 ppb (3) 48.0 μg/m3 (45) 6.1 μg/m3 (26) 45.0
 
Oct. 12, 2021, 10 a.m. 4.1 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.16 ppb (3) 60.0 μg/m3 (54) 5.0 μg/m3 (21) 54.0