ID: 207

AQSQID: 060771002

Site Name: Stockton - Hazelton Street

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

Updated: Sept. 24, 2020, 4:41 p.m.

Location: Stockton (Fair Oaks), CA

Reporting: True, Located: True

Current AQI: 65.0

Stockton (Fair Oaks) CA, US: 37.95075, -121.26897

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 24, 2020, 3 p.m. 67.9 ppb (65) 50.6 ppb (47) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A N/A 8.0 μg/m3 (33) 65.0
 
Sept. 24, 2020, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2020, 1 p.m. 66.1 ppb (63) 52.3 ppb (48) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (17) 63.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 11 a.m. 19.3 ppb (18) 7.3 ppb (7) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 24, 2020, 10 a.m. 21.1 ppb (20) 7.3 ppb (7) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 24, 2020, 9 a.m. 6.7 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
Sept. 24, 2020, 8 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) N/A N/A 2.0 μg/m3 (8) 10.0
 
Sept. 24, 2020, 7 a.m. 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 2.0 μg/m3 (8) 11.0
 
Sept. 24, 2020, 6 a.m. 6.7 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 1.0 μg/m3 (4) 9.0
 
Sept. 24, 2020, 5 a.m. 7.9 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 24, 2020, 4 a.m. 8.5 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A N/A 1.0 μg/m3 (4) 9.0
 
Sept. 24, 2020, 3 a.m. 7.8 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Sept. 24, 2020, 2 a.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Sept. 24, 2020, 1 a.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 24, 2020, midnight 4.9 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A -2.0 μg/m3 (0) 19.0
 
Sept. 23, 2020, 11 p.m. 5.9 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 23, 2020, 10 p.m. 10.4 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 9 p.m. 5.2 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 23, 2020, 8 p.m. 8.8 ppb (8) 3.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Sept. 23, 2020, 7 p.m. 6.4 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Sept. 23, 2020, 6 p.m. 5.9 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
Sept. 23, 2020, 5 p.m. 8.0 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 22.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.5 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.55 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.43 ppb (5) N/A 0.0 μg/m3 (0) 5.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.23 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.22 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.22 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 1.0 μg/m3 (4) 17.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 19.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 22.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) N/A -1.0 μg/m3 (0) 31.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 35.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 39.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 39.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 35.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 31.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.22 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 14.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.22 ppb (2) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.33 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.43 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.47 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 71.0 ppb (55) 0.47 ppb (5) N/A 30.0 μg/m3 (88) 88.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (57) 0.43 ppb (5) N/A 30.0 μg/m3 (88) 88.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (56) 0.45 ppb (5) N/A 31.0 μg/m3 (90) 90.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 81.0 ppb (63) 0.54 ppb (6) N/A 38.0 μg/m3 (106) 106.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.51 ppb (6) N/A 43.0 μg/m3 (119) 119.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.52 ppb (6) N/A 42.0 μg/m3 (116) 116.0
 
Sept. 21, 2020, 6 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) 0.56 ppb (6) N/A 50.0 μg/m3 (136) 136.0
 
Sept. 21, 2020, 5 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) 0.54 ppb (6) N/A 41.0 μg/m3 (114) 114.0
 
Sept. 21, 2020, 4 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.53 ppb (6) N/A 38.0 μg/m3 (106) 106.0
 
Sept. 21, 2020, 3 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 4.0 ppb (3) 0.68 ppb (8) N/A 38.0 μg/m3 (106) 106.0
 
Sept. 21, 2020, 2 p.m. N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 1.0 ppb (1) 0.73 ppb (8) N/A 32.0 μg/m3 (93) 93.0
 
Sept. 21, 2020, 1 p.m. N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 0.0 ppb (0) 0.61 ppb (7) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 11 a.m. N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 2.0 ppb (2) 0.45 ppb (5) N/A 30.0 μg/m3 (88) 88.0
 
Sept. 21, 2020, 10 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 2.0 ppb (2) 0.42 ppb (5) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 9 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 3.0 ppb (2) 0.43 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 21, 2020, 8 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 4.0 ppb (3) 0.48 ppb (5) N/A 27.0 μg/m3 (82) 82.0
 
Sept. 21, 2020, 7 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.49 ppb (5) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 6 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) 0.46 ppb (5) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 5 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) 0.51 ppb (6) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 21, 2020, 4 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) 0.43 ppb (5) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 3 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) 0.52 ppb (6) N/A 27.0 μg/m3 (82) 82.0
 
Sept. 21, 2020, 2 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) 0.74 ppb (8) N/A 30.0 μg/m3 (88) 88.0
 
Sept. 21, 2020, 1 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) 0.51 ppb (6) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 21, 2020, midnight N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.42 ppb (5) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 20, 2020, 11 p.m. N/A -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) 0.39 ppb (4) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 10 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) 0.36 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 9 p.m. N/A -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) 0.36 ppb (4) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 8 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.36 ppb (4) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 7 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.38 ppb (4) N/A 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 6 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.39 ppb (4) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 20, 2020, 11 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 1.0 ppb (1) 0.37 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 10 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 4.0 ppb (3) 0.39 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 9 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 11.0 ppb (8) 0.45 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 8 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 20.0 ppb (15) 0.42 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 7 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 18.0 ppb (14) 0.42 ppb (5) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 6 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 19.0 ppb (15) 0.45 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 5 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 27.0 ppb (21) 0.39 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 4 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (24) 0.41 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2020, 3 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) 0.52 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 2 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 32.0 ppb (25) 0.66 ppb (7) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 20, 2020, 1 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.42 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, midnight N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) 0.38 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 11 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) 0.4 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 19, 2020, 10 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) 0.41 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 19, 2020, 9 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) 0.36 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 8 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 7 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 19, 2020, 6 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 23.0
 
Sept. 19, 2020, 5 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 4 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 3 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.39 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 2 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 3.0 ppb (2) 0.47 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 1 p.m. N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 5.0 ppb (4) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 11 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 13.0 ppb (10) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 10 a.m. N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 15.0 ppb (12) 0.4 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 9 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 19.0 ppb (15) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 8 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (13) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 7 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 6 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 5 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 4 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 3 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 2 a.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (24) 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 1 a.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, midnight N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 11 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 10 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 33.0
 
Sept. 18, 2020, 9 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
Sept. 18, 2020, 8 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Sept. 18, 2020, 7 p.m. N/A -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
Sept. 18, 2020, 6 p.m. N/A -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 18, 2020, 5 p.m. N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Sept. 18, 2020, 4 p.m. N/A 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 20.0 ppb (15) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 3 p.m. N/A 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 2 p.m. N/A 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 11.0 ppb (8) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 1 p.m. N/A 0.5 ppb (0) N/A 0.0 ppb (0) N/A N/A 10.0 ppb (8) 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, noon N/A 0.5 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
Sept. 18, 2020, 11 a.m. 7.9 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.22 ppb (2) N/A N/A 9.0
 
Sept. 18, 2020, 10 a.m. 5.9 ppb (5) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 9 a.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 8 a.m. 5.3 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 7 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 6 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 14.0
 
Sept. 18, 2020, 5 a.m. 7.0 ppb (6) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 4 a.m. 7.8 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 3 a.m. 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 2 a.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.25 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
Sept. 18, 2020, 1 a.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 18, 2020, midnight 5.5 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 31.0
 
Sept. 17, 2020, 11 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.13 ppb (1) N/A -1.0 μg/m3 (0) 24.0
 
Sept. 17, 2020, 10 p.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.11 ppb (1) N/A -1.0 μg/m3 (0) 22.0
 
Sept. 17, 2020, 9 p.m. 5.3 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 17, 2020, 8 p.m. 7.1 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 17, 2020, 7 p.m. 8.5 ppb (8) 3.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.13 ppb (1) N/A 0.0 μg/m3 (0) 13.0
 
Sept. 17, 2020, 6 p.m. 10.7 ppb (10) 4.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 5 p.m. 18.2 ppb (17) 9.3 ppb (9) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2020, 4 p.m. 30.5 ppb (28) 17.3 ppb (16) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) 0.3 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2020, 3 p.m. 46.7 ppb (43) 33.1 ppb (31) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) 0.41 ppb (5) N/A 8.0 μg/m3 (33) 43.0
 
Sept. 17, 2020, 2 p.m. 62.7 ppb (59) 50.3 ppb (47) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 0.53 ppb (6) N/A 7.0 μg/m3 (29) 59.0
 
Sept. 17, 2020, 1 p.m. 54.8 ppb (51) 44.2 ppb (41) N/A 11.0 ppb (10) N/A N/A 0.0 ppb (0) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 51.0
 
Sept. 17, 2020, noon 34.8 ppb (32) 24.7 ppb (23) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) 0.29 ppb (3) N/A 0.0 μg/m3 (0) 32.0
 
Sept. 17, 2020, 3 a.m. 6.7 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0