ID: 2317

AQSQID: 060970004

Site Name: Sebastopol

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

Updated: Sept. 29, 2020, 10:38 p.m.

Location: Sebastopol (Gravenstein), CA

Reporting: True, Located: True

Current AQI: 31.0

Sebastopol (Gravenstein) CA, US: 38.403765, -122.818294

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 29, 2020, 9 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 31.0
 
Sept. 29, 2020, 8 p.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 29, 2020, 7 p.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.42 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 29, 2020, 6 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.37 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 29, 2020, 5 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 29, 2020, 4 p.m. 8.7 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 29, 2020, 3 p.m. 23.5 ppb (22) 15.7 ppb (15) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 29, 2020, 2 p.m. 29.6 ppb (27) 24.9 ppb (23) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 29, 2020, 1 p.m. 7.4 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 2.0 ppb (2) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 29, 2020, noon 5.3 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 2.0 ppb (2) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 29, 2020, 11 a.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 3.0 ppb (2) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 29, 2020, 9 a.m. 3.5 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 29, 2020, 8 a.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 29, 2020, 7 a.m. 3.6 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 29, 2020, 6 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 29, 2020, 5 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 29, 2020, 4 a.m. 5.5 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 29, 2020, 3 a.m. 6.6 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.36 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 29, 2020, 2 a.m. 6.4 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.36 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 29, 2020, 1 a.m. 5.5 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.42 ppb (5) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 29, 2020, midnight 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.4 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 28, 2020, 11 p.m. 6.6 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.6 ppb (7) N/A 51.0 μg/m3 (139) 139.0
 
Sept. 28, 2020, 10 p.m. 10.1 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) 0.74 ppb (8) N/A 50.0 μg/m3 (136) 136.0
 
Sept. 28, 2020, 9 p.m. 9.8 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) 0.6 ppb (7) N/A 37.0 μg/m3 (104) 104.0
 
Sept. 28, 2020, 8 p.m. 10.0 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 0.55 ppb (6) N/A 31.0 μg/m3 (90) 90.0
 
Sept. 28, 2020, 7 p.m. 10.7 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) 0.56 ppb (6) N/A 63.0 μg/m3 (154) 154.0
 
Sept. 28, 2020, 6 p.m. 12.4 ppb (11) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.58 ppb (6) N/A 35.0 μg/m3 (99) 99.0
 
Sept. 28, 2020, 5 p.m. 12.3 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) 0.56 ppb (6) N/A 35.0 μg/m3 (99) 99.0
 
Sept. 28, 2020, 4 p.m. 23.8 ppb (22) 12.7 ppb (12) N/A 11.0 ppb (10) N/A N/A 1.0 ppb (1) 0.65 ppb (7) N/A 50.0 μg/m3 (136) 136.0
 
Sept. 28, 2020, 3 p.m. 33.8 ppb (31) 20.1 ppb (19) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) 0.77 ppb (9) N/A 42.0 μg/m3 (116) 116.0
 
Sept. 28, 2020, 2 p.m. 19.1 ppb (18) 9.3 ppb (9) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) 0.52 ppb (6) N/A 30.0 μg/m3 (88) 88.0
 
Sept. 28, 2020, 1 p.m. 17.4 ppb (16) 4.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.53 ppb (6) N/A 46.0 μg/m3 (126) 126.0
 
Sept. 28, 2020, noon 10.8 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) 0.49 ppb (5) N/A 33.0 μg/m3 (95) 95.0
 
Sept. 28, 2020, 11 a.m. 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) 0.47 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (71) 71.0
 
Sept. 28, 2020, 9 a.m. 5.5 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) 0.39 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 28, 2020, 8 a.m. 7.1 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) 0.44 ppb (5) N/A 28.0 μg/m3 (84) 84.0
 
Sept. 28, 2020, 7 a.m. 8.9 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 0.45 ppb (5) N/A 28.0 μg/m3 (84) 84.0
 
Sept. 28, 2020, 6 a.m. 9.1 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) 0.48 ppb (5) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 28, 2020, 5 a.m. 11.6 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.52 ppb (6) N/A 22.0 μg/m3 (71) 71.0
 
Sept. 28, 2020, 4 a.m. 13.4 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) 0.6 ppb (7) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 28, 2020, 3 a.m. 11.2 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.56 ppb (6) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 28, 2020, 2 a.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.45 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 28, 2020, 1 a.m. 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.45 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 28, 2020, midnight 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.41 ppb (5) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 27, 2020, 11 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.39 ppb (4) N/A 28.0 μg/m3 (84) 84.0
 
Sept. 27, 2020, 10 p.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) 0.35 ppb (4) N/A 27.0 μg/m3 (82) 82.0
 
Sept. 27, 2020, 9 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 39.0
 
Sept. 27, 2020, 8 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) 0.27 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 27, 2020, 7 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.3 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 27, 2020, 6 p.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.43 ppb (5) N/A 30.0 μg/m3 (88) 88.0
 
Sept. 27, 2020, 5 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.48 ppb (5) N/A 35.0 μg/m3 (99) 99.0
 
Sept. 27, 2020, 4 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.46 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 27, 2020, 3 p.m. 5.0 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) 0.4 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 27, 2020, 2 p.m. 5.3 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 27, 2020, 1 p.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 7.0 ppb (5) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, noon 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 27, 2020, 11 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.27 ppb (3) N/A 2.0 μg/m3 (8) 9.0
 
Sept. 27, 2020, 10 a.m. 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. 27, 2020, 9 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 27, 2020, 8 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.27 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 27, 2020, 7 a.m. 4.4 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) 0.29 ppb (3) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 27, 2020, 6 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.31 ppb (3) N/A 0.0 μg/m3 (0) 10.0
 
Sept. 27, 2020, 5 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.27 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 27, 2020, 4 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 27, 2020, 3 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.26 ppb (3) N/A 2.0 μg/m3 (8) 19.0
 
Sept. 27, 2020, 2 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 27, 2020, 1 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 27, 2020, midnight 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 26, 2020, 11 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 26, 2020, 10 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 26, 2020, 9 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (24) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
Sept. 26, 2020, 8 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A -2.0 μg/m3 (0) 25.0
 
Sept. 26, 2020, 7 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 29.0
 
Sept. 26, 2020, 6 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.25 ppb (3) N/A 1.0 μg/m3 (4) 28.0
 
Sept. 26, 2020, 5 p.m. 2.6 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 24.0
 
Sept. 26, 2020, 4 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 26, 2020, 3 p.m. 8.9 ppb (8) 4.6 ppb (4) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 9.0
 
Sept. 26, 2020, 2 p.m. 11.4 ppb (11) 5.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 2.0 ppb (2) 0.35 ppb (4) N/A 1.0 μg/m3 (4) 11.0
 
Sept. 26, 2020, 1 p.m. 9.6 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A 4.0 ppb (3) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 26, 2020, noon 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.26 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 26, 2020, 11 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) 0.25 ppb (3) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 26, 2020, 9 a.m. 4.6 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 26, 2020, 8 a.m. 5.8 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 26, 2020, 7 a.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 6 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, 5 a.m. 12.0 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 4 a.m. 6.9 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 3 a.m. 8.6 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 2 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 1 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, midnight 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.26 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 11 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 10 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 25, 2020, 9 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 25, 2020, 8 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 27.0
 
Sept. 25, 2020, 7 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 6 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 5 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 4 p.m. 4.5 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 25, 2020, 3 p.m. 7.2 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 2 p.m. 43.7 ppb (40) 35.4 ppb (33) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) 0.47 ppb (5) N/A 7.0 μg/m3 (29) 40.0
 
Sept. 25, 2020, 1 p.m. 6.8 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 4.0 ppb (3) 0.26 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 25, 2020, noon 5.5 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 6.0 ppb (5) 0.23 ppb (3) N/A -1.0 μg/m3 (0) 5.0
 
Sept. 25, 2020, 11 a.m. 5.8 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 4.0 ppb (3) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 5.0
 
Sept. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 25, 2020, 9 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 10.0
 
Sept. 25, 2020, 8 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.23 ppb (3) N/A 0.0 μg/m3 (0) 10.0
 
Sept. 25, 2020, 7 a.m. 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A 2.0 μg/m3 (8) 11.0
 
Sept. 25, 2020, 6 a.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 25, 2020, 5 a.m. 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 4 a.m. 4.4 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 25, 2020, 3 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 25, 2020, 2 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
Sept. 25, 2020, 1 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, midnight 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.26 ppb (3) N/A 6.0 μg/m3 (25) 28.0
 
Sept. 24, 2020, 11 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 28.0
 
Sept. 24, 2020, 10 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 27.0
 
Sept. 24, 2020, 9 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 24.0
 
Sept. 24, 2020, 8 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.31 ppb (3) N/A -1.0 μg/m3 (0) 20.0
 
Sept. 24, 2020, 7 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.32 ppb (4) N/A 0.0 μg/m3 (0) 18.0
 
Sept. 24, 2020, 6 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.31 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 24, 2020, 5 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 24, 2020, 4 p.m. 5.1 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 3 p.m. 13.9 ppb (13) 9.4 ppb (9) N/A 5.0 ppb (5) N/A N/A 4.0 ppb (3) 0.39 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 2 p.m. 29.7 ppb (28) 25.0 ppb (23) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 0.42 ppb (5) N/A 3.0 μg/m3 (12) 28.0
 
Sept. 24, 2020, 1 p.m. 14.7 ppb (14) 11.2 ppb (10) N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A -2.0 μg/m3 (0) 14.0
 
Sept. 24, 2020, noon 8.1 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 0.35 ppb (4) N/A -1.0 μg/m3 (0) 8.0
 
Sept. 24, 2020, 11 a.m. 6.8 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 2.0 ppb (2) 0.33 ppb (4) N/A -1.0 μg/m3 (0) 6.0
 
Sept. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 24, 2020, 9 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 5.0 ppb (4) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 24, 2020, 8 a.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 4.0 ppb (3) 0.32 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Sept. 24, 2020, 7 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 6.0 ppb (5) 0.34 ppb (4) N/A -1.0 μg/m3 (0) 5.0
 
Sept. 24, 2020, 6 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 8.0 ppb (6) 0.3 ppb (3) N/A -1.0 μg/m3 (0) 6.0
 
Sept. 24, 2020, 5 a.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A -2.0 μg/m3 (0) 8.0
 
Sept. 24, 2020, 4 a.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 11.0 ppb (8) 0.32 ppb (4) N/A -2.0 μg/m3 (0) 8.0
 
Sept. 24, 2020, 3 a.m. 2.8 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.33 ppb (4) N/A -1.0 μg/m3 (0) 13.0
 
Sept. 24, 2020, 2 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 17.0
 
Sept. 24, 2020, 1 a.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 24, 2020, midnight 2.2 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.35 ppb (4) N/A -1.0 μg/m3 (0) 18.0
 
Sept. 23, 2020, 11 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.35 ppb (4) N/A 0.0 μg/m3 (0) 18.0
 
Sept. 23, 2020, 10 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.31 ppb (3) N/A -1.0 μg/m3 (0) 17.0
 
Sept. 23, 2020, 9 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.28 ppb (3) N/A 0.0 μg/m3 (0) 17.0
 
Sept. 23, 2020, 8 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 23, 2020, 7 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.25 ppb (3) N/A 0.0 μg/m3 (0) 21.0
 
Sept. 23, 2020, 6 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.26 ppb (3) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 23, 2020, 5 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
Sept. 23, 2020, 4 p.m. 5.3 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 3 p.m. 29.5 ppb (27) 22.7 ppb (21) N/A 7.0 ppb (6) N/A N/A 5.0 ppb (4) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 23, 2020, 2 p.m. 49.6 ppb (46) 44.5 ppb (41) N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 0.44 ppb (5) N/A 0.0 μg/m3 (0) 46.0
 
Sept. 23, 2020, 1 p.m. 20.0 ppb (19) 13.9 ppb (13) N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 0.33 ppb (4) N/A 0.0 μg/m3 (0) 19.0
 
Sept. 23, 2020, noon 6.4 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 2.0 ppb (2) 0.27 ppb (3) N/A 1.0 μg/m3 (4) 6.0
 
Sept. 23, 2020, 11 a.m. 6.2 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 2.0 ppb (2) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 6.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
Sept. 23, 2020, 9 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 4.0 ppb (3) 0.27 ppb (3) N/A -1.0 μg/m3 (0) 3.0
 
Sept. 23, 2020, 8 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 4.0 ppb (3) 0.29 ppb (3) N/A 0.0 μg/m3 (0) 3.0
 
Sept. 23, 2020, 7 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 9.0 ppb (7) 0.28 ppb (3) N/A 0.0 μg/m3 (0) 7.0
 
Sept. 23, 2020, 6 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.29 ppb (3) N/A 1.0 μg/m3 (4) 10.0
 
Sept. 23, 2020, 5 a.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 4 a.m. 3.1 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 23, 2020, 3 a.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.27 ppb (3) N/A 2.0 μg/m3 (8) 18.0
 
Sept. 23, 2020, 2 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 23, 2020, 1 a.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 23, 2020, midnight 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.24 ppb (3) N/A 1.0 μg/m3 (4) 28.0
 
Sept. 22, 2020, 11 p.m. 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.23 ppb (3) N/A 0.0 μg/m3 (0) 29.0
 
Sept. 22, 2020, 10 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.25 ppb (3) N/A 1.0 μg/m3 (4) 27.0