ID: 1496

AQSQID: 060773005

Site Name: Tracyap

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

Updated: Sept. 20, 2021, 4:59 p.m.

Location: Tracy (Carbona), CA

Reporting: True, Located: True

Current AQI: 38.0

Tracy (Carbona) CA, US: 37.6825, -121.4406

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 20, 2021, 3 p.m. 3.2 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A 40.0 μg/m3 (38) 4.0 μg/m3 (17) 38.0
 
Sept. 20, 2021, 2 p.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A 49.0 μg/m3 (46) 2.0 μg/m3 (9) 46.0
 
Sept. 20, 2021, 1 p.m. 3.7 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) N/A 50.0 μg/m3 (47) -1.0 μg/m3 (0) 47.0
 
Sept. 20, 2021, noon 3.4 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A 40.0 μg/m3 (38) 1.0 μg/m3 (5) 38.0
 
Sept. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 3.0 μg/m3 (13) 32.0
 
Sept. 20, 2021, 10 a.m. 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A 20.0 μg/m3 (19) 1.0 μg/m3 (5) 25.0
 
Sept. 20, 2021, 9 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 28.0
 
Sept. 20, 2021, 8 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 31.0
 
Sept. 20, 2021, 7 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 32.0
 
Sept. 20, 2021, 6 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 33.0
 
Sept. 20, 2021, 5 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 33.0
 
Sept. 20, 2021, 4 a.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 33.0
 
Sept. 20, 2021, 3 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 32.0
 
Sept. 20, 2021, 2 a.m. 2.2 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 34.0
 
Sept. 20, 2021, 1 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 38.0
 
Sept. 20, 2021, midnight 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 18.0 μg/m3 (17) 0.0 μg/m3 (0) 39.0
 
Sept. 19, 2021, 11 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 12.0 μg/m3 (12) 0.0 μg/m3 (0) 38.0
 
Sept. 19, 2021, 10 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 11.0 μg/m3 (11) 0.0 μg/m3 (0) 38.0
 
Sept. 19, 2021, 9 p.m. 1.6 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 39.0
 
Sept. 19, 2021, 8 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 39.0
 
Sept. 19, 2021, 7 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 38.0
 
Sept. 19, 2021, 6 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 36.0
 
Sept. 19, 2021, 5 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 34.0
 
Sept. 19, 2021, 4 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 36.0
 
Sept. 19, 2021, 3 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 32.0
 
Sept. 19, 2021, 2 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 27.0
 
Sept. 19, 2021, 1 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 20.0
 
Sept. 19, 2021, noon 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 17.0
 
Sept. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
Sept. 19, 2021, 10 a.m. 3.2 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (13) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
Sept. 19, 2021, 9 a.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (13) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 13.0
 
Sept. 19, 2021, 8 a.m. 3.7 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (13) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2021, 7 a.m. 4.1 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (13) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2021, 6 a.m. 3.6 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (13) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 13.0
 
Sept. 19, 2021, 5 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (16) N/A 1.0 μg/m3 (1) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2021, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 19.0
 
Sept. 19, 2021, 3 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 20.0
 
Sept. 19, 2021, 2 a.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 21.0
 
Sept. 19, 2021, 1 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 22.0
 
Sept. 19, 2021, midnight 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 25.0
 
Sept. 18, 2021, 11 p.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 26.0
 
Sept. 18, 2021, 10 p.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 22.0 μg/m3 (21) 1.0 μg/m3 (5) 27.0
 
Sept. 18, 2021, 9 p.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 26.0
 
Sept. 18, 2021, 8 p.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 12.0 μg/m3 (12) -1.0 μg/m3 (0) 27.0
 
Sept. 18, 2021, 7 p.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 27.0
 
Sept. 18, 2021, 6 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 25.0
 
Sept. 18, 2021, 5 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2021, 4 p.m. 7.9 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2021, 3 p.m. 9.6 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A 18.0 ppb (17) N/A 38.0 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, 2 p.m. 13.4 ppb (13) 2.3 ppb (3) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) N/A 52.0 μg/m3 (49) 16.0 μg/m3 (60) 60.0
 
Sept. 18, 2021, 1 p.m. 13.6 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) N/A 33.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, 10 a.m. 5.7 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (14) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, 9 a.m. 4.7 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) N/A 31.0 μg/m3 (29) 14.0 μg/m3 (55) 55.0
 
Sept. 18, 2021, 8 a.m. 4.1 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2021, 7 a.m. 5.1 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (16) N/A 36.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2021, 6 a.m. 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (17) N/A 37.0 μg/m3 (35) 15.0 μg/m3 (58) 58.0
 
Sept. 18, 2021, 5 a.m. 6.1 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (19) N/A 36.0 μg/m3 (34) 15.0 μg/m3 (58) 58.0
 
Sept. 18, 2021, 4 a.m. 4.3 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, 3 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A 36.0 μg/m3 (34) 15.0 μg/m3 (58) 58.0
 
Sept. 18, 2021, 2 a.m. 6.6 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A 39.0 μg/m3 (37) 16.0 μg/m3 (60) 60.0
 
Sept. 18, 2021, 1 a.m. 6.1 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (40) N/A 52.0 μg/m3 (49) 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, midnight 5.0 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) N/A 48.0 μg/m3 (45) 13.0 μg/m3 (53) 53.0
 
Sept. 17, 2021, 11 p.m. 4.4 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A 46.0 μg/m3 (43) 10.0 μg/m3 (42) 51.0
 
Sept. 17, 2021, 10 p.m. 4.9 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) N/A 34.0 μg/m3 (32) 10.0 μg/m3 (42) 50.0
 
Sept. 17, 2021, 9 p.m. 4.9 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 52.0 ppb (49) N/A 42.0 μg/m3 (39) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2021, 8 p.m. 5.4 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) N/A 44.0 μg/m3 (41) 10.0 μg/m3 (42) 46.0
 
Sept. 17, 2021, 7 p.m. 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) N/A 44.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2021, 6 p.m. 9.6 ppb (10) 2.2 ppb (3) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A 36.0 μg/m3 (34) 18.0 μg/m3 (64) 64.0
 
Sept. 17, 2021, 5 p.m. 10.3 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) N/A 33.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, 4 p.m. 14.0 ppb (14) 4.7 ppb (5) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) N/A 45.0 μg/m3 (42) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, 3 p.m. 10.4 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) N/A 34.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2021, 2 p.m. 15.7 ppb (15) 3.1 ppb (3) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) N/A 41.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2021, 1 p.m. 18.8 ppb (18) 1.3 ppb (2) N/A 17.0 ppb (17) N/A N/A 4.0 ppb (4) N/A 41.0 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
Sept. 17, 2021, noon 12.5 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 8.0 ppb (8) N/A 32.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 6.0 μg/m3 (25) 37.0
 
Sept. 17, 2021, 10 a.m. 6.6 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 12.0 ppb (12) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Sept. 17, 2021, 9 a.m. 10.4 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Sept. 17, 2021, 8 a.m. 13.3 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) N/A 38.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, 7 a.m. 10.0 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) N/A 32.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 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) N/A 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2021, 5 a.m. 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A 35.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, 4 a.m. 6.9 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A 33.0 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
Sept. 17, 2021, 3 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2021, 2 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
Sept. 17, 2021, 1 a.m. 4.8 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) N/A 37.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2021, midnight 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A 33.0 μg/m3 (31) 8.0 μg/m3 (34) 48.0
 
Sept. 16, 2021, 11 p.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A 39.0 μg/m3 (37) 8.0 μg/m3 (34) 48.0
 
Sept. 16, 2021, 10 p.m. 5.0 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (61) N/A 35.0 μg/m3 (33) 12.0 μg/m3 (50) 61.0
 
Sept. 16, 2021, 9 p.m. 5.6 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (51) N/A 30.0 μg/m3 (28) 16.0 μg/m3 (60) 60.0
 
Sept. 16, 2021, 8 p.m. 6.3 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) N/A 28.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2021, 7 p.m. 6.8 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (40) N/A 33.0 μg/m3 (31) 9.0 μg/m3 (38) 40.0
 
Sept. 16, 2021, 6 p.m. 9.8 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) N/A 50.0 μg/m3 (47) N/A 47.0
 
Sept. 16, 2021, 5 p.m. 12.5 ppb (12) 3.4 ppb (4) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A 52.0 μg/m3 (49) 11.0 μg/m3 (46) 49.0
 
Sept. 16, 2021, 4 p.m. 10.6 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A 47.0 μg/m3 (44) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2021, 3 p.m. 10.2 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) N/A 59.0 μg/m3 (53) 11.0 μg/m3 (46) 53.0
 
Sept. 16, 2021, 2 p.m. 14.7 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) N/A 57.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
Sept. 16, 2021, 1 p.m. 12.0 ppb (12) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) N/A 35.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2021, noon 12.5 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 11.0 ppb (11) N/A 44.0 μg/m3 (41) 7.0 μg/m3 (30) 41.0
 
Sept. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 10 a.m. 6.5 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 20.0 ppb (19) N/A 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Sept. 16, 2021, 9 a.m. 5.9 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (19) N/A 26.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2021, 8 a.m. 6.2 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (19) N/A 33.0 μg/m3 (31) 13.0 μg/m3 (53) 53.0
 
Sept. 16, 2021, 7 a.m. 6.5 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) N/A 37.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 6 a.m. 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) N/A 35.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A 37.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 4 a.m. 6.6 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A 41.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2021, 3 a.m. 7.9 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) N/A 35.0 μg/m3 (33) 13.0 μg/m3 (53) 53.0
 
Sept. 16, 2021, 2 a.m. 4.5 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) N/A 28.0 μg/m3 (26) 16.0 μg/m3 (60) 60.0
 
Sept. 16, 2021, 1 a.m. 4.5 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 44.0
 
Sept. 16, 2021, midnight 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) N/A 31.0 μg/m3 (29) 7.0 μg/m3 (30) 48.0
 
Sept. 15, 2021, 11 p.m. 3.7 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) N/A 35.0 μg/m3 (33) 11.0 μg/m3 (46) 50.0
 
Sept. 15, 2021, 10 p.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (50) N/A 33.0 μg/m3 (31) 8.0 μg/m3 (34) 50.0
 
Sept. 15, 2021, 9 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A 33.0 μg/m3 (31) 5.0 μg/m3 (21) 48.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 13.0 μg/m3 (53) 53.0
 
Sept. 15, 2021, 6 p.m. 14.0 ppb (14) 3.3 ppb (4) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A 45.0 μg/m3 (42) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2021, 5 p.m. 15.8 ppb (15) 4.2 ppb (4) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) N/A 59.0 μg/m3 (53) 13.0 μg/m3 (53) 53.0
 
Sept. 15, 2021, 4 p.m. 17.8 ppb (17) 5.6 ppb (6) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) N/A 64.0 μg/m3 (56) 21.0 μg/m3 (70) 70.0
 
Sept. 15, 2021, 3 p.m. 19.5 ppb (19) 5.8 ppb (6) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) N/A 79.0 μg/m3 (63) 16.0 μg/m3 (60) 63.0
 
Sept. 15, 2021, 2 p.m. 14.4 ppb (14) 1.4 ppb (2) N/A 13.0 ppb (13) N/A N/A 10.0 ppb (10) N/A 50.0 μg/m3 (47) 16.0 μg/m3 (60) 60.0
 
Sept. 15, 2021, 1 p.m. 13.1 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) N/A 72.0 μg/m3 (60) 15.0 μg/m3 (58) 60.0
 
Sept. 15, 2021, noon 14.1 ppb (14) 0.6 ppb (1) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) N/A 51.0 μg/m3 (48) 16.0 μg/m3 (60) 60.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 10 a.m. 8.2 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) N/A 42.0 μg/m3 (39) 16.0 μg/m3 (60) 60.0
 
Sept. 15, 2021, 9 a.m. 11.7 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) N/A 47.0 μg/m3 (44) 17.0 μg/m3 (62) 62.0
 
Sept. 15, 2021, 8 a.m. 16.1 ppb (16) 0.2 ppb (1) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) N/A 60.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
Sept. 15, 2021, 7 a.m. 9.1 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A 37.0 μg/m3 (35) 7.0 μg/m3 (30) 35.0
 
Sept. 15, 2021, 6 a.m. 3.4 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 5 a.m. 4.0 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 38.0
 
Sept. 15, 2021, 4 a.m. 3.4 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A 23.0 μg/m3 (22) 4.0 μg/m3 (17) 42.0
 
Sept. 15, 2021, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 47.0
 
Sept. 15, 2021, 2 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 45.0
 
Sept. 15, 2021, 1 a.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 55.0
 
Sept. 15, 2021, midnight 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (97) N/A 43.0 μg/m3 (40) 14.0 μg/m3 (55) 97.0
 
Sept. 14, 2021, 11 p.m. 3.3 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (102) N/A 51.0 μg/m3 (48) 12.0 μg/m3 (50) 102.0
 
Sept. 14, 2021, 10 p.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A 37.0 μg/m3 (35) 11.0 μg/m3 (46) 87.0
 
Sept. 14, 2021, 9 p.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) N/A 44.0 μg/m3 (41) 13.0 μg/m3 (53) 78.0
 
Sept. 14, 2021, 8 p.m. 3.8 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A 57.0 μg/m3 (52) 14.0 μg/m3 (55) 68.0
 
Sept. 14, 2021, 7 p.m. 4.8 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (51) N/A 43.0 μg/m3 (40) 18.0 μg/m3 (64) 64.0
 
Sept. 14, 2021, 6 p.m. 9.9 ppb (10) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 45.0 ppb (42) N/A 38.0 μg/m3 (36) 8.0 μg/m3 (34) 42.0
 
Sept. 14, 2021, 5 p.m. 12.0 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) N/A 81.0 μg/m3 (64) 12.0 μg/m3 (50) 64.0
 
Sept. 14, 2021, 4 p.m. 19.9 ppb (19) 5.7 ppb (6) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) N/A 70.0 μg/m3 (59) 8.0 μg/m3 (34) 59.0
 
Sept. 14, 2021, 3 p.m. 23.6 ppb (23) 7.4 ppb (7) N/A 16.0 ppb (16) N/A N/A 17.0 ppb (16) N/A 77.0 μg/m3 (62) 17.0 μg/m3 (62) 62.0
 
Sept. 14, 2021, 2 p.m. 26.2 ppb (25) 3.8 ppb (4) N/A 22.0 ppb (21) N/A N/A 15.0 ppb (14) N/A 104.0 μg/m3 (76) 7.0 μg/m3 (30) 76.0
 
Sept. 14, 2021, 1 p.m. 23.0 ppb (22) 2.0 ppb (2) N/A 21.0 ppb (20) N/A N/A 8.0 ppb (8) N/A 48.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
Sept. 14, 2021, noon 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) N/A 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
Sept. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2021, 10 a.m. 9.4 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) N/A 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 9 a.m. 5.9 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 30.0
 
Sept. 14, 2021, 8 a.m. 7.7 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 26.0
 
Sept. 14, 2021, 7 a.m. 7.5 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 29.0
 
Sept. 14, 2021, 6 a.m. 5.4 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 38.0
 
Sept. 14, 2021, 5 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 38.0
 
Sept. 14, 2021, 4 a.m. 2.9 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 49.0
 
Sept. 14, 2021, 3 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 45.0
 
Sept. 14, 2021, 2 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A 33.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 1 a.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A 44.0 μg/m3 (41) 15.0 μg/m3 (58) 71.0
 
Sept. 14, 2021, midnight 3.4 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A 57.0 μg/m3 (52) 14.0 μg/m3 (55) 87.0
 
Sept. 13, 2021, 11 p.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A 46.0 μg/m3 (43) 10.0 μg/m3 (42) 87.0
 
Sept. 13, 2021, 10 p.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (74) N/A 48.0 μg/m3 (45) 10.0 μg/m3 (42) 74.0
 
Sept. 13, 2021, 9 p.m. 4.5 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A 56.0 μg/m3 (52) 14.0 μg/m3 (55) 68.0
 
Sept. 13, 2021, 8 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (55) N/A 55.0 μg/m3 (51) 12.0 μg/m3 (50) 55.0
 
Sept. 13, 2021, 7 p.m. 5.0 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) N/A 54.0 μg/m3 (50) 14.0 μg/m3 (55) 55.0
 
Sept. 13, 2021, 6 p.m. 5.7 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) N/A 43.0 μg/m3 (40) 8.0 μg/m3 (34) 40.0
 
Sept. 13, 2021, 5 p.m. 9.6 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A 41.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Sept. 13, 2021, 4 p.m. 16.4 ppb (16) 4.4 ppb (5) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) N/A 49.0 μg/m3 (46) 8.0 μg/m3 (34) 46.0