ID: 2975

AQSQID: 060010015

Site Name: Pleasanton - Owens Ct.

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

Updated: Dec. 3, 2020, 3:41 p.m.

Location: Pleasanton (Dougherty), CA

Reporting: True, Located: True

Current AQI: 75.0

Pleasanton (Dougherty) CA, US: 37.701222, -121.903019

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 3, 2020, 2 p.m. 75.9 ppb (75) 47.5 ppb (45) N/A 29.0 ppb (28) N/A N/A N/A 0.8 ppb (10) N/A 16.0 μg/m3 (60) 75.0
 
Dec. 3, 2020, 1 p.m. 71.7 ppb (70) 44.9 ppb (43) N/A 27.0 ppb (26) N/A N/A N/A 0.77 ppb (10) N/A 19.0 μg/m3 (66) 70.0
 
Dec. 3, 2020, noon 55.1 ppb (53) 29.2 ppb (28) N/A 26.0 ppb (25) N/A N/A N/A 0.63 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Dec. 3, 2020, 11 a.m. 51.3 ppb (49) 24.8 ppb (24) N/A 27.0 ppb (26) N/A N/A N/A 0.67 ppb (8) N/A 19.0 μg/m3 (66) 66.0
 
Dec. 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Dec. 3, 2020, 9 a.m. 43.0 ppb (41) 16.4 ppb (16) N/A 27.0 ppb (26) N/A N/A N/A 0.66 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Dec. 3, 2020, 8 a.m. 41.0 ppb (39) 13.1 ppb (13) N/A 28.0 ppb (27) N/A N/A N/A 0.72 ppb (8) N/A 25.0 μg/m3 (79) 79.0
 
Dec. 3, 2020, 7 a.m. 42.1 ppb (40) 15.7 ppb (15) N/A 26.0 ppb (25) N/A N/A N/A 0.68 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Dec. 3, 2020, 6 a.m. 47.1 ppb (45) 14.9 ppb (15) N/A 32.0 ppb (31) N/A N/A N/A 0.88 ppb (11) N/A 23.0 μg/m3 (74) 74.0
 
Dec. 3, 2020, 5 a.m. 52.9 ppb (50) 19.3 ppb (19) N/A 34.0 ppb (33) N/A N/A N/A 0.92 ppb (11) N/A 19.0 μg/m3 (66) 66.0
 
Dec. 3, 2020, 4 a.m. 50.5 ppb (48) 14.0 ppb (14) N/A 37.0 ppb (35) N/A N/A N/A 0.92 ppb (11) N/A 25.0 μg/m3 (79) 79.0
 
Dec. 3, 2020, 3 a.m. 54.2 ppb (52) 19.2 ppb (19) N/A 35.0 ppb (34) N/A N/A N/A 0.92 ppb (11) N/A 26.0 μg/m3 (81) 81.0
 
Dec. 3, 2020, 2 a.m. 57.4 ppb (55) 16.9 ppb (16) N/A 41.0 ppb (39) N/A N/A N/A 1.07 ppb (13) N/A 23.0 μg/m3 (74) 74.0
 
Dec. 3, 2020, 1 a.m. 26.3 ppb (25) 0.3 ppb (1) N/A 26.0 ppb (25) N/A N/A N/A 0.55 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Dec. 3, 2020, midnight 10.1 ppb (10) -0.7 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Dec. 2, 2020, 11 p.m. 6.8 ppb (7) -0.6 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Dec. 2, 2020, 10 p.m. 9.2 ppb (9) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A N/A 9.0
 
Dec. 2, 2020, 9 p.m. 18.4 ppb (18) 3.8 ppb (4) N/A 15.0 ppb (15) N/A N/A N/A 0.38 ppb (5) N/A N/A 18.0
 
Dec. 2, 2020, 8 p.m. 42.6 ppb (41) 17.4 ppb (17) N/A 25.0 ppb (24) N/A N/A N/A 0.59 ppb (7) N/A N/A 41.0
 
Dec. 2, 2020, 7 p.m. 31.8 ppb (30) 12.1 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.58 ppb (7) N/A N/A 30.0
 
Dec. 2, 2020, 6 p.m. 41.4 ppb (40) 19.0 ppb (18) N/A 22.0 ppb (21) N/A N/A N/A 0.62 ppb (7) N/A N/A 40.0
 
Dec. 2, 2020, 5 p.m. 69.1 ppb (68) 41.5 ppb (40) N/A 28.0 ppb (27) N/A N/A N/A 0.64 ppb (7) N/A N/A 68.0
 
Dec. 2, 2020, 4 p.m. 119.0 ppb (105) 88.2 ppb (88) N/A 31.0 ppb (30) N/A N/A N/A 0.97 ppb (12) N/A N/A 105.0
 
Dec. 2, 2020, 3 p.m. 111.2 ppb (103) 83.6 ppb (83) N/A 28.0 ppb (27) N/A N/A N/A 0.93 ppb (11) N/A N/A 103.0
 
Dec. 2, 2020, 2 p.m. 75.6 ppb (75) 52.1 ppb (50) N/A 24.0 ppb (23) N/A N/A N/A 0.73 ppb (8) N/A 7.0 μg/m3 (30) 75.0
 
Dec. 2, 2020, 1 p.m. 51.0 ppb (49) 29.9 ppb (29) N/A 21.0 ppb (20) N/A N/A N/A 0.58 ppb (7) N/A 8.0 μg/m3 (34) 49.0
 
Dec. 2, 2020, noon 60.6 ppb (59) 36.5 ppb (35) N/A 24.0 ppb (23) N/A N/A N/A 0.55 ppb (7) N/A 10.0 μg/m3 (42) 59.0
 
Dec. 2, 2020, 11 a.m. 42.3 ppb (40) 21.0 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A 0.48 ppb (6) N/A 8.0 μg/m3 (34) 40.0
 
Dec. 2, 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 (30) 30.0
 
Dec. 2, 2020, 9 a.m. 34.8 ppb (33) 12.9 ppb (13) N/A 22.0 ppb (21) N/A N/A N/A 0.47 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 8 a.m. 31.2 ppb (30) 10.0 ppb (10) N/A 21.0 ppb (20) N/A N/A N/A 0.48 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 7 a.m. 37.8 ppb (36) 13.4 ppb (13) N/A 24.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Dec. 2, 2020, 6 a.m. 34.6 ppb (33) 11.3 ppb (11) N/A 23.0 ppb (22) N/A N/A N/A 0.66 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 5 a.m. 41.5 ppb (40) 14.9 ppb (15) N/A 27.0 ppb (26) N/A N/A N/A 0.67 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 2, 2020, 4 a.m. 42.6 ppb (41) 15.9 ppb (15) N/A 27.0 ppb (26) N/A N/A N/A 0.72 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 2, 2020, 3 a.m. 45.9 ppb (44) 18.8 ppb (18) N/A 27.0 ppb (26) N/A N/A N/A 0.76 ppb (10) N/A 10.0 μg/m3 (42) 44.0
 
Dec. 2, 2020, 2 a.m. 19.3 ppb (19) 1.5 ppb (2) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 1 a.m. 18.8 ppb (18) 2.4 ppb (3) N/A 16.0 ppb (16) N/A N/A N/A 0.37 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, midnight 12.9 ppb (13) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Dec. 1, 2020, 11 p.m. 5.1 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Dec. 1, 2020, 10 p.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
Dec. 1, 2020, 9 p.m. 6.6 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A -2.0 μg/m3 (0) 7.0
 
Dec. 1, 2020, 8 p.m. 5.2 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (3) N/A -2.0 μg/m3 (0) 5.0
 
Dec. 1, 2020, 7 p.m. 36.4 ppb (35) 16.6 ppb (16) N/A 20.0 ppb (19) N/A N/A N/A 0.47 ppb (6) N/A N/A 35.0
 
Dec. 1, 2020, 6 p.m. 32.0 ppb (31) 13.2 ppb (13) N/A 19.0 ppb (18) N/A N/A N/A 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 1, 2020, 5 p.m. 28.1 ppb (27) 9.6 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.47 ppb (6) N/A 6.0 μg/m3 (25) 27.0
 
Dec. 1, 2020, 4 p.m. 108.6 ppb (103) 76.7 ppb (76) N/A 32.0 ppb (31) N/A N/A N/A 0.94 ppb (11) N/A 15.0 μg/m3 (58) 103.0
 
Dec. 1, 2020, 3 p.m. 106.0 ppb (102) 78.7 ppb (78) N/A 27.0 ppb (26) N/A N/A N/A 0.9 ppb (11) N/A 9.0 μg/m3 (38) 102.0
 
Dec. 1, 2020, 2 p.m. 79.8 ppb (79) 56.2 ppb (54) N/A 24.0 ppb (23) N/A N/A N/A 0.78 ppb (10) N/A 9.0 μg/m3 (38) 79.0
 
Dec. 1, 2020, 1 p.m. 68.8 ppb (67) 45.8 ppb (44) N/A 23.0 ppb (22) N/A N/A N/A 0.75 ppb (10) N/A 7.0 μg/m3 (30) 67.0
 
Dec. 1, 2020, noon 55.8 ppb (53) 35.3 ppb (34) N/A 21.0 ppb (20) N/A N/A N/A 0.64 ppb (7) N/A 12.0 μg/m3 (50) 53.0
 
Dec. 1, 2020, 11 a.m. 52.5 ppb (50) 30.4 ppb (29) N/A 22.0 ppb (21) N/A N/A N/A 0.57 ppb (7) N/A 9.0 μg/m3 (38) 50.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Dec. 1, 2020, 9 a.m. 36.8 ppb (35) 15.0 ppb (15) N/A 22.0 ppb (21) N/A N/A N/A 0.59 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Dec. 1, 2020, 8 a.m. 42.0 ppb (40) 18.4 ppb (18) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Dec. 1, 2020, 7 a.m. 46.0 ppb (44) 20.6 ppb (20) N/A 25.0 ppb (24) N/A N/A N/A 0.72 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Dec. 1, 2020, 6 a.m. 47.9 ppb (46) 20.3 ppb (20) N/A 28.0 ppb (27) N/A N/A N/A 0.82 ppb (10) N/A 16.0 μg/m3 (60) 60.0
 
Dec. 1, 2020, 5 a.m. 41.8 ppb (40) 12.3 ppb (12) N/A 30.0 ppb (29) N/A N/A N/A 0.77 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 1, 2020, 4 a.m. 49.7 ppb (47) 17.8 ppb (17) N/A 32.0 ppb (31) N/A N/A N/A 0.92 ppb (11) N/A 16.0 μg/m3 (60) 60.0
 
Dec. 1, 2020, 3 a.m. 59.1 ppb (57) 25.1 ppb (24) N/A 34.0 ppb (33) N/A N/A N/A 0.99 ppb (12) N/A 14.0 μg/m3 (55) 57.0
 
Dec. 1, 2020, 2 a.m. 34.3 ppb (33) 2.9 ppb (3) N/A 31.0 ppb (30) N/A N/A N/A 0.61 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Dec. 1, 2020, 1 a.m. 42.1 ppb (40) 5.9 ppb (6) N/A 36.0 ppb (34) N/A N/A N/A 0.68 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Dec. 1, 2020, midnight 49.0 ppb (47) 14.4 ppb (14) N/A 35.0 ppb (34) N/A N/A N/A 0.65 ppb (8) N/A 15.0 μg/m3 (58) 58.0
 
Nov. 30, 2020, 11 p.m. 33.1 ppb (32) 7.6 ppb (8) N/A 26.0 ppb (25) N/A N/A N/A 0.53 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 30, 2020, 10 p.m. 35.2 ppb (34) 11.6 ppb (11) N/A 24.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 30, 2020, 9 p.m. 47.2 ppb (45) 19.9 ppb (19) N/A 27.0 ppb (26) N/A N/A N/A 0.65 ppb (8) N/A 8.0 μg/m3 (34) 45.0
 
Nov. 30, 2020, 8 p.m. 32.2 ppb (31) 10.7 ppb (11) N/A 22.0 ppb (21) N/A N/A N/A 0.46 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 30, 2020, 7 p.m. 64.4 ppb (63) 33.1 ppb (32) N/A 31.0 ppb (30) N/A N/A N/A 0.75 ppb (10) N/A 14.0 μg/m3 (55) 63.0
 
Nov. 30, 2020, 6 p.m. 43.3 ppb (41) 19.7 ppb (19) N/A 24.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 30, 2020, 5 p.m. 68.0 ppb (66) 42.1 ppb (40) N/A 26.0 ppb (25) N/A N/A N/A 0.72 ppb (8) N/A 20.0 μg/m3 (68) 68.0
 
Nov. 30, 2020, 4 p.m. 137.0 ppb (108) 104.6 ppb (102) N/A 32.0 ppb (31) N/A N/A N/A 1.13 ppb (13) N/A 18.0 μg/m3 (64) 108.0
 
Nov. 30, 2020, 3 p.m. 99.6 ppb (100) 72.1 ppb (71) N/A 28.0 ppb (27) N/A N/A N/A 0.97 ppb (12) N/A 11.0 μg/m3 (46) 100.0
 
Nov. 30, 2020, 2 p.m. 73.4 ppb (72) 49.3 ppb (47) N/A 24.0 ppb (23) N/A N/A N/A 0.8 ppb (10) N/A 11.0 μg/m3 (46) 72.0
 
Nov. 30, 2020, 1 p.m. 63.5 ppb (62) 40.7 ppb (39) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 13.0 μg/m3 (53) 62.0
 
Nov. 30, 2020, noon 41.6 ppb (40) 20.3 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 30, 2020, 11 a.m. 42.1 ppb (40) 20.4 ppb (20) N/A 22.0 ppb (21) N/A N/A N/A 0.57 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 30, 2020, 9 a.m. 46.6 ppb (44) 22.7 ppb (22) N/A 24.0 ppb (23) N/A N/A N/A 0.82 ppb (10) N/A 23.0 μg/m3 (74) 74.0
 
Nov. 30, 2020, 8 a.m. 36.0 ppb (34) 12.8 ppb (13) N/A 23.0 ppb (22) N/A N/A N/A 0.63 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 30, 2020, 7 a.m. 31.6 ppb (30) 9.4 ppb (9) N/A 22.0 ppb (21) N/A N/A N/A 0.66 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 30, 2020, 6 a.m. 31.3 ppb (30) 7.5 ppb (8) N/A 24.0 ppb (23) N/A N/A N/A 0.71 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Nov. 30, 2020, 5 a.m. 33.3 ppb (32) 9.4 ppb (9) N/A 24.0 ppb (23) N/A N/A N/A 0.73 ppb (8) N/A 22.0 μg/m3 (72) 72.0
 
Nov. 30, 2020, 4 a.m. 37.5 ppb (36) 9.6 ppb (10) N/A 28.0 ppb (27) N/A N/A N/A 0.75 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 30, 2020, 3 a.m. 43.9 ppb (42) 14.8 ppb (14) N/A 29.0 ppb (28) N/A N/A N/A 0.91 ppb (11) N/A 16.0 μg/m3 (60) 60.0
 
Nov. 30, 2020, 2 a.m. 41.5 ppb (40) 9.2 ppb (9) N/A 32.0 ppb (31) N/A N/A N/A 1.04 ppb (12) N/A 16.0 μg/m3 (60) 60.0
 
Nov. 30, 2020, 1 a.m. 29.6 ppb (28) 1.2 ppb (2) N/A 28.0 ppb (27) N/A N/A N/A 0.64 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 30, 2020, midnight 6.9 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.28 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 11 p.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 29, 2020, 10 p.m. 6.2 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 9 p.m. 6.3 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 29, 2020, 8 p.m. 8.5 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 7 p.m. 18.5 ppb (18) 5.3 ppb (5) N/A 13.0 ppb (13) N/A N/A N/A 0.48 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2020, 6 p.m. 41.4 ppb (40) 21.1 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.95 ppb (11) N/A 15.0 μg/m3 (58) 58.0
 
Nov. 29, 2020, 5 p.m. 35.3 ppb (34) 17.4 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 0.69 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 29, 2020, 4 p.m. 39.7 ppb (38) 22.1 ppb (21) N/A 18.0 ppb (17) N/A N/A N/A 0.63 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2020, 3 p.m. 51.1 ppb (49) 32.1 ppb (31) N/A 19.0 ppb (18) N/A N/A N/A 0.68 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Nov. 29, 2020, 2 p.m. 38.2 ppb (37) 18.8 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2020, 1 p.m. 41.5 ppb (40) 22.3 ppb (22) N/A 19.0 ppb (18) N/A N/A N/A 0.62 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 29, 2020, noon 31.9 ppb (31) 12.8 ppb (13) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Nov. 29, 2020, 11 a.m. 26.1 ppb (25) 7.1 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.45 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 29, 2020, 9 a.m. 34.1 ppb (33) 10.9 ppb (11) N/A 23.0 ppb (22) N/A N/A N/A 0.67 ppb (8) N/A 23.0 μg/m3 (74) 74.0
 
Nov. 29, 2020, 8 a.m. 26.6 ppb (26) 6.5 ppb (7) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Nov. 29, 2020, 7 a.m. 26.8 ppb (26) 6.0 ppb (6) N/A 21.0 ppb (20) N/A N/A N/A 0.58 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Nov. 29, 2020, 6 a.m. 34.8 ppb (33) 9.5 ppb (9) N/A 25.0 ppb (24) N/A N/A N/A 0.82 ppb (10) N/A 27.0 μg/m3 (83) 83.0
 
Nov. 29, 2020, 5 a.m. 36.3 ppb (35) 11.3 ppb (11) N/A 25.0 ppb (24) N/A N/A N/A 0.8 ppb (10) N/A 25.0 μg/m3 (79) 79.0
 
Nov. 29, 2020, 4 a.m. 31.2 ppb (30) 9.8 ppb (10) N/A 21.0 ppb (20) N/A N/A N/A 0.71 ppb (8) N/A 19.0 μg/m3 (66) 66.0
 
Nov. 29, 2020, 3 a.m. 27.0 ppb (26) 5.4 ppb (6) N/A 22.0 ppb (21) N/A N/A N/A 0.73 ppb (8) N/A 19.0 μg/m3 (66) 66.0
 
Nov. 29, 2020, 2 a.m. 17.4 ppb (17) 1.6 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A 0.48 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 29, 2020, 1 a.m. 10.1 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, midnight 6.8 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 11 p.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2020, 10 p.m. 6.3 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 9 p.m. 14.0 ppb (14) 3.4 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.49 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2020, 8 p.m. 22.8 ppb (22) 8.1 ppb (8) N/A 15.0 ppb (15) N/A N/A N/A 0.59 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 7 p.m. 21.0 ppb (20) 7.9 ppb (8) N/A 13.0 ppb (13) N/A N/A N/A 0.57 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 28, 2020, 6 p.m. 24.7 ppb (24) 10.1 ppb (10) N/A 15.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 5 p.m. 43.0 ppb (41) 24.2 ppb (23) N/A 19.0 ppb (18) N/A N/A N/A 0.64 ppb (7) N/A 9.0 μg/m3 (38) 41.0
 
Nov. 28, 2020, 4 p.m. 68.4 ppb (67) 48.1 ppb (46) N/A 20.0 ppb (19) N/A N/A N/A 0.83 ppb (10) N/A 10.0 μg/m3 (42) 67.0
 
Nov. 28, 2020, 3 p.m. 60.0 ppb (58) 42.1 ppb (40) N/A 18.0 ppb (17) N/A N/A N/A 0.69 ppb (8) N/A 10.0 μg/m3 (42) 58.0
 
Nov. 28, 2020, 2 p.m. 51.7 ppb (49) 34.5 ppb (33) N/A 17.0 ppb (17) N/A N/A N/A 0.66 ppb (8) N/A 10.0 μg/m3 (42) 49.0
 
Nov. 28, 2020, 1 p.m. 45.2 ppb (43) 27.6 ppb (27) N/A 18.0 ppb (17) N/A N/A N/A 0.62 ppb (7) N/A 8.0 μg/m3 (34) 43.0
 
Nov. 28, 2020, noon 38.3 ppb (37) 19.7 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 8.0 μg/m3 (34) 37.0
 
Nov. 28, 2020, 11 a.m. 32.4 ppb (31) 14.5 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.52 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 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 (30) 30.0
 
Nov. 28, 2020, 9 a.m. 37.9 ppb (36) 18.6 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.57 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 28, 2020, 8 a.m. 30.8 ppb (30) 11.5 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2020, 7 a.m. 25.1 ppb (24) 9.0 ppb (9) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 6 a.m. 34.4 ppb (33) 13.8 ppb (14) N/A 21.0 ppb (20) N/A N/A N/A 0.64 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 28, 2020, 5 a.m. 31.2 ppb (30) 11.9 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.68 ppb (8) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 4 a.m. 35.4 ppb (34) 12.9 ppb (13) N/A 23.0 ppb (22) N/A N/A N/A 0.76 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2020, 3 a.m. 42.1 ppb (40) 19.2 ppb (19) N/A 23.0 ppb (22) N/A N/A N/A 0.87 ppb (11) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2020, 2 a.m. 44.2 ppb (42) 15.9 ppb (15) N/A 28.0 ppb (27) N/A N/A N/A 0.86 ppb (11) N/A 7.0 μg/m3 (30) 42.0
 
Nov. 28, 2020, 1 a.m. 30.3 ppb (29) 7.7 ppb (8) N/A 23.0 ppb (22) N/A N/A N/A 0.54 ppb (6) N/A 5.0 μg/m3 (21) 29.0
 
Nov. 28, 2020, midnight 29.5 ppb (28) 12.0 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.61 ppb (7) N/A 5.0 μg/m3 (21) 28.0
 
Nov. 27, 2020, 11 p.m. 32.7 ppb (31) 14.2 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.7 ppb (8) N/A 5.0 μg/m3 (21) 31.0
 
Nov. 27, 2020, 10 p.m. 23.4 ppb (23) 10.1 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A 0.62 ppb (7) N/A 2.0 μg/m3 (9) 23.0
 
Nov. 27, 2020, 9 p.m. 19.1 ppb (19) 8.7 ppb (9) N/A 10.0 ppb (10) N/A N/A N/A 0.49 ppb (6) N/A 1.0 μg/m3 (5) 19.0
 
Nov. 27, 2020, 8 p.m. 18.2 ppb (18) 8.3 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 2.0 μg/m3 (9) 18.0
 
Nov. 27, 2020, 7 p.m. 11.1 ppb (11) 4.5 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.31 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 6 p.m. 18.1 ppb (18) 7.9 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.39 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 5 p.m. 36.3 ppb (35) 18.7 ppb (18) N/A 18.0 ppb (17) N/A N/A N/A 0.55 ppb (7) N/A 3.0 μg/m3 (13) 35.0
 
Nov. 27, 2020, 4 p.m. 51.2 ppb (49) 30.3 ppb (29) N/A 21.0 ppb (20) N/A N/A N/A 0.69 ppb (8) N/A 6.0 μg/m3 (25) 49.0
 
Nov. 27, 2020, 3 p.m. 51.0 ppb (49) 29.9 ppb (29) N/A 21.0 ppb (20) N/A N/A N/A 0.62 ppb (7) N/A 6.0 μg/m3 (25) 49.0
 
Nov. 27, 2020, 2 p.m. 50.0 ppb (48) 27.8 ppb (27) N/A 22.0 ppb (21) N/A N/A N/A 0.54 ppb (6) N/A 5.0 μg/m3 (21) 48.0
 
Nov. 27, 2020, 1 p.m. 25.8 ppb (25) 7.8 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 27, 2020, noon 17.0 ppb (17) 2.0 ppb (2) N/A 15.0 ppb (15) N/A N/A N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 11 a.m. 6.7 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Nov. 27, 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 (5) 5.0
 
Nov. 27, 2020, 9 a.m. 9.7 ppb (10) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 27, 2020, 8 a.m. 17.7 ppb (17) 2.2 ppb (3) N/A 16.0 ppb (16) N/A N/A N/A 0.48 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 7 a.m. 11.9 ppb (12) 0.5 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 27, 2020, 6 a.m. 18.4 ppb (18) 2.0 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A 0.44 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2020, 5 a.m. 17.0 ppb (17) 2.9 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A 0.51 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 27, 2020, 4 a.m. 12.8 ppb (13) 2.3 ppb (3) N/A 10.0 ppb (10) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Nov. 27, 2020, 3 a.m. 11.4 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Nov. 27, 2020, 2 a.m. 7.9 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Nov. 27, 2020, 1 a.m. 6.9 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (4) N/A 1.0 μg/m3 (5) 7.0
 
Nov. 27, 2020, midnight 7.3 ppb (7) 3.3 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 26, 2020, 11 p.m. 7.7 ppb (8) 3.7 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.39 ppb (5) N/A 2.0 μg/m3 (9) 9.0
 
Nov. 26, 2020, 10 p.m. 7.6 ppb (8) 3.7 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Nov. 26, 2020, 9 p.m. 8.8 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 26, 2020, 8 p.m. 8.9 ppb (9) 4.2 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.45 ppb (6) N/A 2.0 μg/m3 (9) 9.0
 
Nov. 26, 2020, 7 p.m. 8.4 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (5) N/A 1.0 μg/m3 (5) 8.0
 
Nov. 26, 2020, 6 p.m. 5.3 ppb (5) 2.5 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.32 ppb (4) N/A 0.0 μg/m3 (0) 5.0
 
Nov. 26, 2020, 5 p.m. 9.3 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.35 ppb (4) N/A -2.0 μg/m3 (0) 9.0
 
Nov. 26, 2020, 4 p.m. 11.8 ppb (12) 4.2 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.39 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Nov. 26, 2020, 3 p.m. 26.5 ppb (25) 9.7 ppb (10) N/A 17.0 ppb (17) N/A N/A N/A 0.45 ppb (6) N/A 3.0 μg/m3 (13) 25.0