AQSQID: 060590007

Site Name: Anaheim

Location: Anaheim, CA

Reporting: True, Located: True

Current AQI: 37.0

Anaheim CA, US: 33.82, -117.913101

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 18, 2019, 4 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
July 18, 2019, 3 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.11 ppb (1) 23.0 μg/m3 (21) 12.2 μg/m3 (50) 50.0
 
July 18, 2019, 2 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.11 ppb (1) 9.0 μg/m3 (8) 11.5 μg/m3 (48) 48.0
 
July 18, 2019, 1 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.12 ppb (1) 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
July 18, 2019, midnight 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.12 ppb (1) 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
July 17, 2019, 11 p.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.11 ppb (1) 14.0 μg/m3 (13) 2.7 μg/m3 (11) 25.0
 
July 17, 2019, 10 p.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.11 ppb (1) 13.0 μg/m3 (12) 2.5 μg/m3 (10) 25.0
 
July 17, 2019, 9 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.11 ppb (1) 18.0 μg/m3 (16) 7.6 μg/m3 (32) 32.0
 
July 17, 2019, 8 p.m. 3.5 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.12 ppb (1) 23.0 μg/m3 (21) 9.9 μg/m3 (41) 41.0
 
July 17, 2019, 7 p.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.13 ppb (1) 30.0 μg/m3 (27) 16.4 μg/m3 (59) 59.0
 
July 17, 2019, 6 p.m. 5.3 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.17 ppb (2) 28.0 μg/m3 (25) 16.2 μg/m3 (59) 59.0
 
July 17, 2019, 5 p.m. 8.6 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.21 ppb (2) 31.0 μg/m3 (28) 13.2 μg/m3 (53) 53.0
 
July 17, 2019, 4 p.m. 9.3 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) 28.0 μg/m3 (25) 15.4 μg/m3 (57) 57.0
 
July 17, 2019, 3 p.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.19 ppb (2) 27.0 μg/m3 (25) 10.6 μg/m3 (44) 44.0
 
July 17, 2019, 2 p.m. 6.9 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.15 ppb (2) 22.0 μg/m3 (20) 8.1 μg/m3 (34) 34.0
 
July 17, 2019, 1 p.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.13 ppb (1) 19.0 μg/m3 (17) 11.2 μg/m3 (47) 47.0
 
July 17, 2019, noon 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.12 ppb (1) 19.0 μg/m3 (17) 11.5 μg/m3 (48) 48.0
 
July 17, 2019, 11 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 17.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
July 17, 2019, 10 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
July 17, 2019, 9 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.1 ppb (1) 14.0 μg/m3 (13) 10.8 μg/m3 (45) 45.0
 
July 17, 2019, 8 a.m. 2.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.1 ppb (1) 24.0 μg/m3 (22) 15.2 μg/m3 (57) 57.0
 
July 17, 2019, 7 a.m. 2.7 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.14 ppb (2) 17.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
July 17, 2019, 6 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.1 ppb (1) 13.0 μg/m3 (12) 10.1 μg/m3 (42) 42.0
 
July 17, 2019, 5 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 14.0 μg/m3 (13) 10.1 μg/m3 (42) 42.0
 
July 17, 2019, 4 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.11 ppb (1) 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 3 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.11 ppb (1) 19.0 μg/m3 (17) 12.7 μg/m3 (51) 51.0
 
July 17, 2019, 2 a.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.12 ppb (1) 25.0 μg/m3 (23) 16.6 μg/m3 (60) 60.0
 
July 17, 2019, 1 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.14 ppb (2) 25.0 μg/m3 (23) 17.4 μg/m3 (61) 61.0
 
July 17, 2019, midnight 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.12 ppb (1) 28.0 μg/m3 (25) 17.1 μg/m3 (61) 61.0
 
July 16, 2019, 11 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.12 ppb (1) 29.0 μg/m3 (26) 12.5 μg/m3 (51) 51.0
 
July 16, 2019, 10 p.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.12 ppb (1) 29.0 μg/m3 (26) 13.2 μg/m3 (53) 53.0
 
July 16, 2019, 9 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.14 ppb (2) 30.0 μg/m3 (27) 15.4 μg/m3 (57) 57.0
 
July 16, 2019, 8 p.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.15 ppb (2) 34.0 μg/m3 (31) 15.7 μg/m3 (58) 58.0
 
July 16, 2019, 7 p.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) 0.17 ppb (2) 26.0 μg/m3 (24) 18.4 μg/m3 (64) 64.0
 
July 16, 2019, 6 p.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) 0.17 ppb (2) 27.0 μg/m3 (25) 15.7 μg/m3 (58) 58.0
 
July 16, 2019, 5 p.m. 7.1 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) 0.22 ppb (2) 37.0 μg/m3 (34) 16.4 μg/m3 (59) 59.0
 
July 16, 2019, 4 p.m. 12.7 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.29 ppb (3) 29.0 μg/m3 (26) 14.2 μg/m3 (55) 55.0
 
July 16, 2019, 3 p.m. 13.8 ppb (13) 4.9 ppb (5) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.27 ppb (3) 25.0 μg/m3 (23) 27.0 μg/m3 (82) 82.0
 
July 16, 2019, 2 p.m. 14.7 ppb (14) 7.3 ppb (7) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) 0.22 ppb (2) 20.0 μg/m3 (18) 18.8 μg/m3 (64) 64.0
 
July 16, 2019, 1 p.m. 9.9 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.2 ppb (2) 12.0 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
July 16, 2019, noon 6.7 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.21 ppb (2) 20.0 μg/m3 (18) 10.6 μg/m3 (44) 44.0
 
July 16, 2019, 11 a.m. 4.4 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.14 ppb (2) 17.0 μg/m3 (15) 15.9 μg/m3 (58) 58.0
 
July 16, 2019, 10 a.m. 4.4 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.15 ppb (2) 18.0 μg/m3 (16) 12.4 μg/m3 (51) 51.0
 
July 16, 2019, 9 a.m. 4.3 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.13 ppb (1) 11.0 μg/m3 (10) 12.2 μg/m3 (50) 50.0
 
July 16, 2019, 8 a.m. 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.14 ppb (2) 14.0 μg/m3 (13) 11.2 μg/m3 (47) 47.0
 
July 16, 2019, 7 a.m. 5.2 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.14 ppb (2) 17.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
July 16, 2019, 6 a.m. 5.2 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.15 ppb (2) 21.0 μg/m3 (19) 11.5 μg/m3 (48) 48.0
 
July 16, 2019, 5 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.15 ppb (2) 20.0 μg/m3 (18) 11.5 μg/m3 (48) 48.0
 
July 16, 2019, 4 a.m. 6.2 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.15 ppb (2) 19.0 μg/m3 (17) 12.7 μg/m3 (51) 51.0
 
July 16, 2019, 3 a.m. 5.4 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.16 ppb (2) 24.0 μg/m3 (22) 11.7 μg/m3 (49) 49.0
 
July 16, 2019, 2 a.m. 5.7 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.17 ppb (2) 19.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
July 16, 2019, 1 a.m. 5.4 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.17 ppb (2) 23.0 μg/m3 (21) 12.9 μg/m3 (52) 52.0
 
July 16, 2019, midnight 5.8 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 59.0 ppb (45) 0.18 ppb (2) 17.0 μg/m3 (15) 13.9 μg/m3 (54) 54.0
 
July 15, 2019, 11 p.m. 8.6 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 62.0 ppb (48) 0.19 ppb (2) 30.0 μg/m3 (27) 14.9 μg/m3 (56) 56.0
 
July 15, 2019, 10 p.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) 0.18 ppb (2) 25.0 μg/m3 (23) 10.6 μg/m3 (44) 48.0
 
July 15, 2019, 9 p.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 65.0 ppb (50) 0.19 ppb (2) 33.0 μg/m3 (30) 18.3 μg/m3 (63) 63.0
 
July 15, 2019, 8 p.m. 6.1 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 60.0 ppb (46) 0.19 ppb (2) 34.0 μg/m3 (31) 17.9 μg/m3 (63) 63.0
 
July 15, 2019, 7 p.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) 0.21 ppb (2) 29.0 μg/m3 (26) 15.9 μg/m3 (58) 58.0
 
July 15, 2019, 6 p.m. 9.2 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 55.0 ppb (42) 0.29 ppb (3) 40.0 μg/m3 (36) 19.5 μg/m3 (66) 66.0
 
July 15, 2019, 5 p.m. 9.6 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 42.0 ppb (32) 0.3 ppb (3) 35.0 μg/m3 (32) 21.0 μg/m3 (69) 69.0
 
July 15, 2019, 4 p.m. 13.8 ppb (13) 3.8 ppb (4) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.3 ppb (3) 30.0 μg/m3 (27) 23.5 μg/m3 (74) 74.0
 
July 15, 2019, 3 p.m. 12.7 ppb (12) 3.3 ppb (3) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.27 ppb (3) 29.0 μg/m3 (26) 23.5 μg/m3 (74) 74.0
 
July 15, 2019, 2 p.m. 10.6 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.25 ppb (3) 32.0 μg/m3 (29) 22.1 μg/m3 (71) 71.0
 
July 15, 2019, 1 p.m. 10.8 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.23 ppb (3) 21.0 μg/m3 (19) 19.0 μg/m3 (65) 65.0
 
July 15, 2019, noon 8.9 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.22 ppb (2) 17.0 μg/m3 (15) 13.9 μg/m3 (54) 54.0
 
July 15, 2019, 11 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.15 ppb (2) 17.0 μg/m3 (15) 12.5 μg/m3 (51) 51.0
 
July 15, 2019, 10 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.15 ppb (2) 14.0 μg/m3 (13) 11.2 μg/m3 (47) 47.0
 
July 15, 2019, 9 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.13 ppb (1) 12.0 μg/m3 (11) 14.7 μg/m3 (56) 56.0
 
July 15, 2019, 8 a.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.13 ppb (1) 14.0 μg/m3 (13) 16.2 μg/m3 (59) 59.0
 
July 15, 2019, 7 a.m. 2.6 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.12 ppb (1) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 6 a.m. 2.9 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.12 ppb (1) 15.0 μg/m3 (14) 11.7 μg/m3 (49) 49.0
 
July 15, 2019, 5 a.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.13 ppb (1) 15.0 μg/m3 (14) 12.2 μg/m3 (50) 50.0
 
July 15, 2019, 4 a.m. 5.3 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.14 ppb (2) 15.0 μg/m3 (14) 12.7 μg/m3 (51) 51.0
 
July 15, 2019, 3 a.m. 4.4 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.14 ppb (2) 20.0 μg/m3 (18) 15.7 μg/m3 (58) 58.0
 
July 15, 2019, 2 a.m. 4.4 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.16 ppb (2) 22.0 μg/m3 (20) 15.4 μg/m3 (57) 57.0
 
July 15, 2019, 1 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (42) 0.17 ppb (2) 28.0 μg/m3 (25) 16.4 μg/m3 (59) 59.0
 
July 15, 2019, midnight 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (42) 0.16 ppb (2) 25.0 μg/m3 (23) 16.4 μg/m3 (59) 59.0
 
July 14, 2019, 11 p.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (43) 0.16 ppb (2) 20.0 μg/m3 (18) 15.6 μg/m3 (58) 58.0
 
July 14, 2019, 10 p.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) 0.16 ppb (2) 20.0 μg/m3 (18) 15.6 μg/m3 (58) 58.0
 
July 14, 2019, 9 p.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (50) 0.18 ppb (2) 29.0 μg/m3 (26) 21.0 μg/m3 (69) 69.0
 
July 14, 2019, 8 p.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 66.0 ppb (51) 0.2 ppb (2) 32.0 μg/m3 (29) 20.8 μg/m3 (69) 69.0
 
July 14, 2019, 7 p.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (45) 0.19 ppb (2) 27.0 μg/m3 (25) 17.1 μg/m3 (61) 61.0
 
July 14, 2019, 6 p.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (40) 0.21 ppb (2) 32.0 μg/m3 (29) 18.6 μg/m3 (64) 64.0
 
July 14, 2019, 5 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.25 ppb (3) 27.0 μg/m3 (25) 21.8 μg/m3 (71) 71.0
 
July 14, 2019, 4 p.m. 7.8 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.25 ppb (3) 31.0 μg/m3 (28) 22.8 μg/m3 (73) 73.0
 
July 14, 2019, 3 p.m. 7.5 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.28 ppb (3) 27.0 μg/m3 (25) 16.4 μg/m3 (59) 59.0
 
July 14, 2019, 2 p.m. 6.2 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.22 ppb (2) 26.0 μg/m3 (24) 17.4 μg/m3 (61) 61.0
 
July 14, 2019, 1 p.m. 4.7 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.19 ppb (2) 27.0 μg/m3 (25) 18.3 μg/m3 (63) 63.0
 
July 14, 2019, noon 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.18 ppb (2) 22.0 μg/m3 (20) 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 11 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.16 ppb (2) 14.0 μg/m3 (13) 14.4 μg/m3 (55) 55.0
 
July 14, 2019, 10 a.m. 3.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.15 ppb (2) 21.0 μg/m3 (19) 15.4 μg/m3 (57) 57.0
 
July 14, 2019, 9 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.14 ppb (2) 18.0 μg/m3 (16) 15.9 μg/m3 (58) 58.0
 
July 14, 2019, 8 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.14 ppb (2) 21.0 μg/m3 (19) 18.6 μg/m3 (64) 64.0
 
July 14, 2019, 7 a.m. 3.4 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.15 ppb (2) 18.0 μg/m3 (16) 15.4 μg/m3 (57) 57.0
 
July 14, 2019, 6 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.13 ppb (1) 22.0 μg/m3 (20) 10.6 μg/m3 (44) 44.0
 
July 14, 2019, 5 a.m. 2.4 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.12 ppb (1) 20.0 μg/m3 (18) 15.1 μg/m3 (57) 57.0
 
July 14, 2019, 4 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.12 ppb (1) 18.0 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
July 14, 2019, 3 a.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.14 ppb (2) 24.0 μg/m3 (22) 8.6 μg/m3 (36) 36.0
 
July 14, 2019, 2 a.m. 3.7 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 19.0 μg/m3 (17) 11.2 μg/m3 (47) 47.0
 
July 14, 2019, 1 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.14 ppb (2) 19.0 μg/m3 (17) 10.8 μg/m3 (45) 45.0
 
July 14, 2019, midnight 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.14 ppb (2) 20.0 μg/m3 (18) 12.2 μg/m3 (50) 50.0
 
July 13, 2019, 11 p.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.15 ppb (2) 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
July 13, 2019, 10 p.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.14 ppb (2) 22.0 μg/m3 (20) 10.6 μg/m3 (44) 44.0
 
July 13, 2019, 9 p.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.15 ppb (2) 18.0 μg/m3 (16) 11.7 μg/m3 (49) 49.0
 
July 13, 2019, 8 p.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.16 ppb (2) 22.0 μg/m3 (20) 11.2 μg/m3 (47) 47.0
 
July 13, 2019, 7 p.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) 0.18 ppb (2) 27.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
July 13, 2019, 6 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.17 ppb (2) 19.0 μg/m3 (17) 16.4 μg/m3 (59) 59.0
 
July 13, 2019, 5 p.m. 6.6 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.2 ppb (2) 27.0 μg/m3 (25) 15.2 μg/m3 (57) 57.0
 
July 13, 2019, 4 p.m. 7.7 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.22 ppb (2) 26.0 μg/m3 (24) 17.4 μg/m3 (61) 61.0
 
July 13, 2019, 3 p.m. 7.6 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.21 ppb (2) 32.0 μg/m3 (29) 26.9 μg/m3 (82) 82.0
 
July 13, 2019, 2 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.19 ppb (2) 21.0 μg/m3 (19) 21.0 μg/m3 (69) 69.0
 
July 13, 2019, 1 p.m. 7.8 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.17 ppb (2) 18.0 μg/m3 (16) 12.7 μg/m3 (51) 51.0
 
July 13, 2019, noon 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.13 ppb (1) 16.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
July 13, 2019, 11 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.12 ppb (1) 12.0 μg/m3 (11) 12.2 μg/m3 (50) 50.0
 
July 13, 2019, 10 a.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.11 ppb (1) 9.0 μg/m3 (8) 11.2 μg/m3 (47) 47.0
 
July 13, 2019, 9 a.m. 3.7 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.12 ppb (1) 8.0 μg/m3 (7) 8.3 μg/m3 (35) 35.0
 
July 13, 2019, 8 a.m. 7.3 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.12 ppb (1) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 13, 2019, 7 a.m. 7.3 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.13 ppb (1) 18.0 μg/m3 (16) 10.1 μg/m3 (42) 42.0
 
July 13, 2019, 6 a.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.15 ppb (2) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
July 13, 2019, 5 a.m. 9.3 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.17 ppb (2) 18.0 μg/m3 (16) 15.9 μg/m3 (58) 58.0
 
July 13, 2019, 4 a.m. 9.1 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.2 ppb (2) 27.0 μg/m3 (25) 17.4 μg/m3 (61) 61.0
 
July 13, 2019, 3 a.m. 9.8 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 39.0 ppb (30) 0.21 ppb (2) 32.0 μg/m3 (29) 19.8 μg/m3 (67) 67.0
 
July 13, 2019, 2 a.m. 8.6 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 51.0 ppb (39) 0.21 ppb (2) 35.0 μg/m3 (32) 16.6 μg/m3 (60) 60.0
 
July 13, 2019, 1 a.m. 7.7 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 64.0 ppb (49) 0.22 ppb (2) 35.0 μg/m3 (32) 17.8 μg/m3 (62) 62.0
 
July 13, 2019, midnight 7.5 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 72.0 ppb (56) 0.22 ppb (2) 37.0 μg/m3 (34) 22.5 μg/m3 (72) 72.0
 
July 12, 2019, 11 p.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 59.0 ppb (45) 0.19 ppb (2) 29.0 μg/m3 (26) 15.4 μg/m3 (57) 57.0
 
July 12, 2019, 10 p.m. 4.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (40) 0.17 ppb (2) 23.0 μg/m3 (21) 12.2 μg/m3 (50) 50.0
 
July 12, 2019, 9 p.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) 0.15 ppb (2) 24.0 μg/m3 (22) 11.2 μg/m3 (47) 47.0
 
July 12, 2019, 8 p.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (40) 0.19 ppb (2) 29.0 μg/m3 (26) 14.7 μg/m3 (56) 56.0
 
July 12, 2019, 7 p.m. 5.7 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) 0.26 ppb (3) 36.0 μg/m3 (33) 17.9 μg/m3 (63) 63.0
 
July 12, 2019, 6 p.m. 8.6 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 52.0 ppb (40) 0.28 ppb (3) 40.0 μg/m3 (36) 18.8 μg/m3 (64) 64.0
 
July 12, 2019, 5 p.m. 10.3 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 42.0 ppb (32) 0.28 ppb (3) 35.0 μg/m3 (32) 17.4 μg/m3 (61) 61.0
 
July 12, 2019, 4 p.m. 10.8 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.26 ppb (3) 33.0 μg/m3 (30) 14.7 μg/m3 (56) 56.0
 
July 12, 2019, 3 p.m. 11.8 ppb (11) 3.3 ppb (3) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.26 ppb (3) 29.0 μg/m3 (26) 12.9 μg/m3 (52) 52.0
 
July 12, 2019, 2 p.m. 11.2 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.23 ppb (3) 28.0 μg/m3 (25) 23.7 μg/m3 (75) 75.0
 
July 12, 2019, 1 p.m. 7.2 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.18 ppb (2) 23.0 μg/m3 (21) 18.1 μg/m3 (63) 63.0
 
July 12, 2019, noon 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.14 ppb (2) 18.0 μg/m3 (16) 13.9 μg/m3 (54) 54.0
 
July 12, 2019, 11 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.14 ppb (2) 23.0 μg/m3 (21) 13.9 μg/m3 (54) 54.0
 
July 12, 2019, 10 a.m. 4.1 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.14 ppb (2) 16.0 μg/m3 (15) 14.2 μg/m3 (55) 55.0
 
July 12, 2019, 9 a.m. 4.4 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 17.0 μg/m3 (15) 15.4 μg/m3 (57) 57.0
 
July 12, 2019, 8 a.m. 6.2 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.13 ppb (1) 17.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
July 12, 2019, 7 a.m. 7.9 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.17 ppb (2) 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
July 12, 2019, 6 a.m. 9.9 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 23.0 μg/m3 (21) 16.2 μg/m3 (59) 59.0
 
July 12, 2019, 5 a.m. 9.5 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.21 ppb (2) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 12, 2019, 4 a.m. 14.9 ppb (14) 0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) 0.23 ppb (3) 23.0 μg/m3 (21) 10.3 μg/m3 (43) 43.0
 
July 12, 2019, 3 a.m. 13.9 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.21 ppb (2) 24.0 μg/m3 (22) 17.8 μg/m3 (62) 62.0
 
July 12, 2019, 2 a.m. 15.4 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) 0.21 ppb (2) 33.0 μg/m3 (30) 11.5 μg/m3 (48) 48.0
 
July 12, 2019, 1 a.m. 13.0 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A N/A 38.0 ppb (29) 0.21 ppb (2) 37.0 μg/m3 (34) 11.5 μg/m3 (48) 48.0
 
July 12, 2019, midnight 8.8 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 52.0 ppb (40) 0.21 ppb (2) 36.0 μg/m3 (33) 15.4 μg/m3 (57) 57.0
 
July 11, 2019, 11 p.m. 7.5 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) 0.17 ppb (2) 28.0 μg/m3 (25) 15.9 μg/m3 (58) 58.0
 
July 11, 2019, 10 p.m. 10.1 ppb (9) 2.1 ppb (2) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) 0.17 ppb (2) 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
July 11, 2019, 9 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) 0.17 ppb (2) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
July 11, 2019, 8 p.m. 6.9 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) 0.17 ppb (2) 26.0 μg/m3 (24) 16.2 μg/m3 (59) 59.0
 
July 11, 2019, 7 p.m. 8.4 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) 0.17 ppb (2) 30.0 μg/m3 (27) 10.4 μg/m3 (43) 43.0
 
July 11, 2019, 6 p.m. 9.1 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 42.0 ppb (32) 0.23 ppb (3) 33.0 μg/m3 (30) 15.2 μg/m3 (57) 57.0
 
July 11, 2019, 5 p.m. 10.2 ppb (9) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) 0.26 ppb (3) 39.0 μg/m3 (35) 20.6 μg/m3 (68) 68.0
 
July 11, 2019, 4 p.m. 11.0 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.28 ppb (3) 27.0 μg/m3 (25) 21.0 μg/m3 (69) 69.0
 
July 11, 2019, 3 p.m. 11.5 ppb (11) 3.4 ppb (3) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.25 ppb (3) 30.0 μg/m3 (27) 18.1 μg/m3 (63) 63.0
 
July 11, 2019, 2 p.m. 9.3 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.2 ppb (2) 20.0 μg/m3 (18) 16.9 μg/m3 (60) 60.0
 
July 11, 2019, 1 p.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.19 ppb (2) 19.0 μg/m3 (17) 14.9 μg/m3 (56) 56.0
 
July 11, 2019, noon 11.3 ppb (10) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.19 ppb (2) 24.0 μg/m3 (22) 10.5 μg/m3 (44) 44.0
 
July 11, 2019, 11 a.m. 8.8 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) 0.15 ppb (2) 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
July 11, 2019, 10 a.m. 11.2 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.17 ppb (2) 21.0 μg/m3 (19) 14.9 μg/m3 (56) 56.0
 
July 11, 2019, 9 a.m. 10.3 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 19.0 μg/m3 (17) 13.2 μg/m3 (53) 53.0
 
July 11, 2019, 8 a.m. 10.9 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.23 ppb (3) 18.0 μg/m3 (16) 16.9 μg/m3 (60) 60.0
 
July 11, 2019, 7 a.m. 9.8 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) 0.22 ppb (2) 18.0 μg/m3 (16) 13.9 μg/m3 (54) 54.0
 
July 11, 2019, 6 a.m. 11.7 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) 0.26 ppb (3) 22.0 μg/m3 (20) 18.8 μg/m3 (64) 64.0
 
July 11, 2019, 5 a.m. 12.0 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) 0.29 ppb (3) 33.0 μg/m3 (30) 17.1 μg/m3 (61) 61.0