AQSQID: 061072002

Site Name: Visalia - N. Church Street

Location: Visalia, CA

Reporting: True, Located: True

Current AQI: 50.0

Visalia CA, US: 36.3322, -119.2903

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2019, 7 p.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 61.0 ppb (47) N/A 54.0 μg/m3 (49) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2019, 6 p.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (42) N/A 54.0 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
Sept. 22, 2019, 5 p.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) N/A 55.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2019, 4 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) N/A 53.0 μg/m3 (48) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2019, 3 p.m. 6.7 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) N/A 53.0 μg/m3 (48) 9.0 μg/m3 (38) 48.0
 
Sept. 22, 2019, 2 p.m. 8.6 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) N/A 47.0 μg/m3 (43) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2019, 1 p.m. 8.8 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A 41.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2019, 11 a.m. 7.3 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 43.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2019, 10 a.m. 7.3 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2019, 9 a.m. 9.9 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A 52.0 μg/m3 (47) 17.0 μg/m3 (61) 61.0
 
Sept. 22, 2019, 8 a.m. 16.3 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) N/A 61.0 μg/m3 (53) 16.0 μg/m3 (59) 59.0
 
Sept. 22, 2019, 7 a.m. 20.1 ppb (19) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) N/A 68.0 μg/m3 (56) 16.0 μg/m3 (59) 59.0
 
Sept. 22, 2019, 6 a.m. 22.5 ppb (21) 1.1 ppb (1) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) N/A 63.0 μg/m3 (54) 7.0 μg/m3 (29) 54.0
 
Sept. 22, 2019, 5 a.m. 16.4 ppb (15) 0.1 ppb (0) N/A 16.0 ppb (15) N/A N/A 25.0 ppb (19) N/A 60.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
Sept. 22, 2019, 4 a.m. 11.8 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 36.0 ppb (28) N/A 55.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2019, 3 a.m. 13.8 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 44.0 ppb (34) N/A 67.0 μg/m3 (56) 15.0 μg/m3 (56) 56.0
 
Sept. 22, 2019, 2 a.m. 10.4 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 51.0 ppb (39) N/A 61.0 μg/m3 (53) 15.0 μg/m3 (56) 56.0
 
Sept. 22, 2019, 1 a.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 60.0 ppb (46) N/A 56.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
Sept. 22, 2019, midnight 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (47) N/A 54.0 μg/m3 (49) 5.0 μg/m3 (21) 49.0
 
Sept. 21, 2019, 11 p.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (48) N/A 54.0 μg/m3 (49) 7.0 μg/m3 (29) 49.0
 
Sept. 21, 2019, 10 p.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (47) N/A 56.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Sept. 21, 2019, 9 p.m. 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (45) N/A 76.0 μg/m3 (60) 9.0 μg/m3 (38) 60.0
 
Sept. 21, 2019, 8 p.m. 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) N/A 62.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
Sept. 21, 2019, 7 p.m. 6.7 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 53.0 ppb (41) N/A 81.0 μg/m3 (63) 11.0 μg/m3 (46) 63.0
 
Sept. 21, 2019, 6 p.m. 7.6 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 46.0 ppb (35) N/A 92.0 μg/m3 (68) 10.0 μg/m3 (42) 68.0
 
Sept. 21, 2019, 5 p.m. 7.8 ppb (7) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A 81.0 μg/m3 (63) 10.0 μg/m3 (42) 63.0
 
Sept. 21, 2019, 4 p.m. 8.0 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A 68.0 μg/m3 (56) 8.0 μg/m3 (33) 56.0
 
Sept. 21, 2019, 3 p.m. 10.4 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) N/A 44.0 μg/m3 (40) 7.0 μg/m3 (29) 40.0
 
Sept. 21, 2019, 2 p.m. 18.4 ppb (17) 3.1 ppb (3) N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) N/A 41.0 μg/m3 (37) 8.0 μg/m3 (33) 37.0
 
Sept. 21, 2019, 1 p.m. 21.0 ppb (19) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (6) N/A 55.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Sept. 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 9.0 μg/m3 (38) 44.0
 
Sept. 21, 2019, 11 a.m. 9.8 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A 58.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
Sept. 21, 2019, 10 a.m. 11.2 ppb (10) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A 62.0 μg/m3 (54) 8.0 μg/m3 (33) 54.0
 
Sept. 21, 2019, 9 a.m. 9.7 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A 51.0 μg/m3 (46) 8.0 μg/m3 (33) 46.0
 
Sept. 21, 2019, 8 a.m. 8.7 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A 58.0 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
Sept. 21, 2019, 7 a.m. 7.1 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 31.0
 
Sept. 21, 2019, 6 a.m. 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A 40.0 μg/m3 (36) 7.0 μg/m3 (29) 36.0
 
Sept. 21, 2019, 5 a.m. 23.7 ppb (22) 0.9 ppb (1) N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) N/A 76.0 μg/m3 (60) 11.0 μg/m3 (46) 60.0
 
Sept. 21, 2019, 4 a.m. 22.2 ppb (21) 0.7 ppb (1) N/A 22.0 ppb (20) N/A N/A 18.0 ppb (14) N/A 70.0 μg/m3 (58) 9.0 μg/m3 (38) 58.0
 
Sept. 21, 2019, 3 a.m. 14.1 ppb (13) 0.5 ppb (0) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) N/A 73.0 μg/m3 (59) 11.0 μg/m3 (46) 59.0
 
Sept. 21, 2019, 2 a.m. 10.1 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 37.0 ppb (28) N/A 75.0 μg/m3 (60) 10.0 μg/m3 (42) 60.0
 
Sept. 21, 2019, 1 a.m. 5.0 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) N/A 52.0 μg/m3 (47) 9.0 μg/m3 (38) 47.0
 
Sept. 21, 2019, midnight 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A 42.0 μg/m3 (38) 4.0 μg/m3 (17) 38.0
 
Sept. 20, 2019, 11 p.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A 46.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
Sept. 20, 2019, 10 p.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A 57.0 μg/m3 (51) 4.0 μg/m3 (17) 51.0
 
Sept. 20, 2019, 9 p.m. 6.4 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) N/A 65.0 μg/m3 (55) 4.0 μg/m3 (17) 55.0
 
Sept. 20, 2019, 8 p.m. 7.5 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (34) N/A 46.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
Sept. 20, 2019, 7 p.m. 10.8 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) N/A 84.0 μg/m3 (64) 8.0 μg/m3 (33) 64.0
 
Sept. 20, 2019, 6 p.m. 11.3 ppb (10) 2.8 ppb (3) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) N/A 59.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
Sept. 20, 2019, 5 p.m. 9.7 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 63.0 μg/m3 (54) 11.0 μg/m3 (46) 54.0
 
Sept. 20, 2019, 4 p.m. 9.8 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 56.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Sept. 20, 2019, 3 p.m. 15.2 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A 64.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
Sept. 20, 2019, 2 p.m. 16.9 ppb (16) 5.4 ppb (5) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) N/A 57.0 μg/m3 (51) 11.0 μg/m3 (46) 51.0
 
Sept. 20, 2019, 1 p.m. 16.7 ppb (15) 3.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 3.0 ppb (2) N/A 50.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
Sept. 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 11 a.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) N/A 43.0 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
Sept. 20, 2019, 10 a.m. 10.1 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
Sept. 20, 2019, 9 a.m. 9.4 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A 33.0 μg/m3 (30) 3.0 μg/m3 (12) 30.0
 
Sept. 20, 2019, 8 a.m. 9.2 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A 38.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Sept. 20, 2019, 7 a.m. 7.7 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
Sept. 20, 2019, 6 a.m. 10.5 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A 43.0 μg/m3 (39) 4.0 μg/m3 (17) 39.0
 
Sept. 20, 2019, 5 a.m. 11.0 ppb (10) 0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) N/A 50.0 μg/m3 (45) 4.0 μg/m3 (17) 45.0
 
Sept. 20, 2019, 4 a.m. 9.5 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) N/A 52.0 μg/m3 (47) 5.0 μg/m3 (21) 47.0
 
Sept. 20, 2019, 3 a.m. 7.4 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 73.0 μg/m3 (59) 4.0 μg/m3 (17) 59.0
 
Sept. 20, 2019, 2 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A 80.0 μg/m3 (62) 7.0 μg/m3 (29) 62.0
 
Sept. 20, 2019, 1 a.m. 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A 67.0 μg/m3 (56) 6.0 μg/m3 (25) 56.0
 
Sept. 20, 2019, midnight 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A 74.0 μg/m3 (60) 6.0 μg/m3 (25) 60.0
 
Sept. 19, 2019, 11 p.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 70.0 μg/m3 (58) 7.0 μg/m3 (29) 58.0
 
Sept. 19, 2019, 10 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A 76.0 μg/m3 (60) 7.0 μg/m3 (29) 60.0
 
Sept. 19, 2019, 9 p.m. 9.3 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) N/A 114.0 μg/m3 (80) 9.0 μg/m3 (38) 80.0
 
Sept. 19, 2019, 8 p.m. 5.6 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A 59.0 μg/m3 (52) 7.0 μg/m3 (29) 52.0
 
Sept. 19, 2019, 7 p.m. 8.6 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 75.0 μg/m3 (60) 7.0 μg/m3 (29) 60.0
 
Sept. 19, 2019, 6 p.m. 9.4 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 19, 2019, 5 p.m. 10.0 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A N/A 66.0 μg/m3 (56) 6.0 μg/m3 (25) 56.0
 
Sept. 19, 2019, 4 p.m. 10.5 ppb (10) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A N/A 43.0 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
Sept. 19, 2019, 3 p.m. 13.7 ppb (13) 4.7 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A N/A 61.0 μg/m3 (53) 6.0 μg/m3 (25) 53.0
 
Sept. 19, 2019, 2 p.m. 14.6 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A N/A 48.0 μg/m3 (44) 7.0 μg/m3 (29) 44.0
 
Sept. 19, 2019, 1 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2019, 11 a.m. 5.3 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2019, 10 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 9 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 8 a.m. 5.9 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 7 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2019, 6 a.m. 7.4 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A N/A 44.0 μg/m3 (40) 8.0 μg/m3 (33) 40.0
 
Sept. 19, 2019, 5 a.m. 8.4 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A N/A 73.0 μg/m3 (59) 7.0 μg/m3 (29) 59.0
 
Sept. 19, 2019, 4 a.m. 7.5 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A N/A 61.0 μg/m3 (53) 7.0 μg/m3 (29) 53.0
 
Sept. 19, 2019, 3 a.m. 8.5 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A N/A 80.0 μg/m3 (62) 8.0 μg/m3 (33) 62.0
 
Sept. 19, 2019, 2 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A N/A 68.0 μg/m3 (56) 9.0 μg/m3 (38) 56.0
 
Sept. 19, 2019, 1 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A N/A 66.0 μg/m3 (56) 5.0 μg/m3 (21) 56.0
 
Sept. 19, 2019, midnight 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A 58.0 μg/m3 (52) 4.0 μg/m3 (17) 52.0
 
Sept. 18, 2019, 11 p.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A 45.0 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
Sept. 18, 2019, 10 p.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A 69.0 μg/m3 (57) 7.0 μg/m3 (29) 57.0
 
Sept. 18, 2019, 9 p.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A 67.0 μg/m3 (56) 9.0 μg/m3 (38) 56.0
 
Sept. 18, 2019, 8 p.m. 7.0 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A 45.0 μg/m3 (41) 8.0 μg/m3 (33) 41.0
 
Sept. 18, 2019, 7 p.m. 9.6 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A 64.0 μg/m3 (54) 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2019, 6 p.m. 16.1 ppb (15) 3.7 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A N/A 126.0 μg/m3 (86) 20.0 μg/m3 (67) 86.0
 
Sept. 18, 2019, 5 p.m. 20.2 ppb (19) 5.6 ppb (5) N/A 15.0 ppb (14) N/A N/A N/A N/A 104.0 μg/m3 (74) 19.0 μg/m3 (65) 74.0
 
Sept. 18, 2019, 4 p.m. 13.8 ppb (13) 3.7 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A N/A 109.0 μg/m3 (77) 15.0 μg/m3 (56) 77.0
 
Sept. 18, 2019, 3 p.m. 26.7 ppb (25) 12.0 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A N/A 87.0 μg/m3 (66) 17.0 μg/m3 (61) 66.0
 
Sept. 18, 2019, 2 p.m. 25.2 ppb (23) 10.4 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A N/A 75.0 μg/m3 (60) 16.0 μg/m3 (59) 60.0
 
Sept. 18, 2019, 1 p.m. 15.8 ppb (15) 2.8 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A N/A 61.0 μg/m3 (53) N/A 53.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (61) 10.0 μg/m3 (42) 61.0
 
Sept. 18, 2019, 11 a.m. 18.9 ppb (18) 2.5 ppb (2) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A 145.0 μg/m3 (95) 17.0 μg/m3 (61) 95.0
 
Sept. 18, 2019, 10 a.m. 13.8 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) N/A 69.0 μg/m3 (57) 15.0 μg/m3 (56) 57.0
 
Sept. 18, 2019, 9 a.m. 10.3 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A 43.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 8 a.m. 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 39.0 μg/m3 (35) 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2019, 7 a.m. 9.5 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A 35.0 μg/m3 (32) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 6 a.m. 20.7 ppb (19) 0.5 ppb (0) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) N/A 70.0 μg/m3 (58) 14.0 μg/m3 (54) 58.0
 
Sept. 18, 2019, 5 a.m. 17.6 ppb (16) 0.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) N/A 83.0 μg/m3 (64) 14.0 μg/m3 (54) 64.0
 
Sept. 18, 2019, 4 a.m. 15.5 ppb (14) 0.3 ppb (0) N/A 15.0 ppb (14) N/A N/A 30.0 ppb (23) N/A 79.0 μg/m3 (62) 11.0 μg/m3 (46) 62.0
 
Sept. 18, 2019, 3 a.m. 15.4 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 35.0 ppb (27) N/A 110.0 μg/m3 (78) 12.0 μg/m3 (50) 78.0
 
Sept. 18, 2019, 2 a.m. 9.0 ppb (8) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) N/A 75.0 μg/m3 (60) 8.0 μg/m3 (33) 60.0
 
Sept. 18, 2019, 1 a.m. 5.4 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) N/A 52.0 μg/m3 (47) 8.0 μg/m3 (33) 47.0
 
Sept. 18, 2019, midnight 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A 56.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Sept. 17, 2019, 11 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 44.0 μg/m3 (40) 6.0 μg/m3 (25) 40.0
 
Sept. 17, 2019, 10 p.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 87.0 μg/m3 (66) 7.0 μg/m3 (29) 66.0
 
Sept. 17, 2019, 9 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 77.0 μg/m3 (61) 7.0 μg/m3 (29) 61.0
 
Sept. 17, 2019, 8 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A 53.0 μg/m3 (48) 6.0 μg/m3 (25) 48.0
 
Sept. 17, 2019, 7 p.m. 5.0 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A 42.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 6 p.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 42.0 μg/m3 (38) 7.0 μg/m3 (29) 38.0
 
Sept. 17, 2019, 5 p.m. 12.3 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) N/A 50.0 μg/m3 (45) 6.0 μg/m3 (25) 45.0
 
Sept. 17, 2019, 4 p.m. 16.5 ppb (15) 5.8 ppb (5) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 3 p.m. 21.0 ppb (19) 8.0 ppb (7) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) N/A 44.0 μg/m3 (40) 8.0 μg/m3 (33) 40.0
 
Sept. 17, 2019, 2 p.m. 19.3 ppb (18) 5.6 ppb (5) N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) N/A 36.0 μg/m3 (33) 7.0 μg/m3 (29) 33.0
 
Sept. 17, 2019, 1 p.m. 12.6 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 8.0 ppb (6) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 11 a.m. 10.9 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 10 a.m. 9.6 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 9 a.m. 9.4 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 8 a.m. 7.1 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 7 a.m. 9.1 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2019, 6 a.m. 7.5 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 5 a.m. 4.7 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 4 a.m. 4.6 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 30.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
Sept. 17, 2019, 3 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A 45.0 μg/m3 (41) 7.0 μg/m3 (29) 41.0
 
Sept. 17, 2019, 2 a.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 1 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A 191.0 μg/m3 (118) 12.0 μg/m3 (50) 118.0
 
Sept. 17, 2019, midnight 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 33.0 μg/m3 (95) 95.0
 
Sept. 16, 2019, 11 p.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A 70.0 μg/m3 (58) 7.0 μg/m3 (29) 58.0
 
Sept. 16, 2019, 10 p.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A 107.0 μg/m3 (76) 15.0 μg/m3 (56) 76.0
 
Sept. 16, 2019, 9 p.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 16, 2019, 8 p.m. 5.3 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) N/A 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Sept. 16, 2019, 7 p.m. 5.9 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A 36.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
Sept. 16, 2019, 6 p.m. 5.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 36.0 μg/m3 (33) 3.0 μg/m3 (12) 33.0
 
Sept. 16, 2019, 5 p.m. 6.4 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A 45.0 μg/m3 (41) 5.0 μg/m3 (21) 41.0
 
Sept. 16, 2019, 4 p.m. 8.1 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A 57.0 μg/m3 (51) 6.0 μg/m3 (25) 51.0
 
Sept. 16, 2019, 3 p.m. 10.6 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 42.0 μg/m3 (38) 4.0 μg/m3 (17) 38.0
 
Sept. 16, 2019, 2 p.m. 14.1 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) N/A 54.0 μg/m3 (49) 6.0 μg/m3 (25) 49.0
 
Sept. 16, 2019, 1 p.m. 10.5 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) N/A 47.0 μg/m3 (43) 6.0 μg/m3 (25) 43.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Sept. 16, 2019, 11 a.m. 7.1 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) N/A 57.0 μg/m3 (51) 5.0 μg/m3 (21) 51.0
 
Sept. 16, 2019, 10 a.m. 8.2 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A 80.0 μg/m3 (62) 5.0 μg/m3 (21) 62.0
 
Sept. 16, 2019, 9 a.m. 7.1 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 61.0 μg/m3 (53) 6.0 μg/m3 (25) 53.0
 
Sept. 16, 2019, 8 a.m. 5.7 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A 70.0 μg/m3 (58) 9.0 μg/m3 (38) 58.0
 
Sept. 16, 2019, 7 a.m. 6.7 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 72.0 μg/m3 (58) 9.0 μg/m3 (38) 58.0
 
Sept. 16, 2019, 6 a.m. 6.0 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 48.0 μg/m3 (44) 3.0 μg/m3 (12) 44.0
 
Sept. 16, 2019, 5 a.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A 49.0 μg/m3 (45) 3.0 μg/m3 (12) 45.0
 
Sept. 16, 2019, 4 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Sept. 16, 2019, 3 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A 30.0 μg/m3 (27) 7.0 μg/m3 (29) 30.0
 
Sept. 16, 2019, 2 a.m. 9.0 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 42.0 ppb (32) N/A 47.0 μg/m3 (43) 9.0 μg/m3 (38) 43.0
 
Sept. 16, 2019, 1 a.m. 5.4 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 53.0 ppb (41) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 41.0
 
Sept. 16, 2019, midnight 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (45) N/A 23.0 μg/m3 (21) 3.0 μg/m3 (12) 45.0
 
Sept. 15, 2019, 11 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 46.0
 
Sept. 15, 2019, 10 p.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (53) N/A 44.0 μg/m3 (40) 7.0 μg/m3 (29) 53.0
 
Sept. 15, 2019, 9 p.m. 4.1 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 74.0 ppb (57) N/A 51.0 μg/m3 (46) 8.0 μg/m3 (33) 57.0
 
Sept. 15, 2019, 8 p.m. 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 72.0 ppb (56) N/A 55.0 μg/m3 (50) 11.0 μg/m3 (46) 56.0