ID: 206

AQSQID: 060750005

Site Name: San Francisco

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

Updated: Oct. 30, 2020, 1:41 p.m.

Location: San Francisco (Potrero Hill), CA

Reporting: True, Located: True

Current AQI: 46.0

San Francisco (Potrero Hill) CA, US: 37.7658, -122.3978

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 30, 2020, noon 8.6 ppb (9) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 30, 2020, 11 a.m. 10.3 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 30, 2020, 9 a.m. 8.8 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 30, 2020, 8 a.m. 8.1 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 30, 2020, 7 a.m. 7.9 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Oct. 30, 2020, 6 a.m. 12.0 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 30, 2020, 5 a.m. 11.5 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) 0.43 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 30, 2020, 4 a.m. 15.0 ppb (15) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 32.0 ppb (30) 0.48 ppb (6) N/A 18.0 μg/m3 (64) 64.0
 
Oct. 30, 2020, 3 a.m. 12.2 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 42.0 ppb (39) 0.4 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 30, 2020, 2 a.m. 9.5 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 47.0 ppb (44) 0.39 ppb (5) N/A 8.0 μg/m3 (34) 44.0
 
Oct. 30, 2020, 1 a.m. 9.0 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 51.0 ppb (48) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 48.0
 
Oct. 30, 2020, midnight 7.6 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 58.0 ppb (61) 0.37 ppb (5) N/A 12.0 μg/m3 (50) 61.0
 
Oct. 29, 2020, 11 p.m. 7.1 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 55.0 ppb (51) 0.4 ppb (5) N/A 12.0 μg/m3 (50) 51.0
 
Oct. 29, 2020, 10 p.m. 11.7 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 56.0 ppb (55) 0.45 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, 9 p.m. 12.8 ppb (13) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A 64.0 ppb (81) 0.44 ppb (5) N/A 23.0 μg/m3 (74) 81.0
 
Oct. 29, 2020, 8 p.m. 19.3 ppb (19) 2.2 ppb (3) N/A 17.0 ppb (17) N/A N/A 53.0 ppb (50) 0.48 ppb (6) N/A 25.0 μg/m3 (79) 79.0
 
Oct. 29, 2020, 7 p.m. 28.4 ppb (27) 5.1 ppb (5) N/A 23.0 ppb (22) N/A N/A 37.0 ppb (35) 0.51 ppb (6) N/A 22.0 μg/m3 (72) 72.0
 
Oct. 29, 2020, 6 p.m. 27.7 ppb (27) 6.2 ppb (6) N/A 21.0 ppb (20) N/A N/A 31.0 ppb (29) 0.47 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 29, 2020, 5 p.m. 34.5 ppb (33) 9.7 ppb (10) N/A 25.0 ppb (24) N/A N/A 22.0 ppb (21) 0.51 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Oct. 29, 2020, 4 p.m. 35.1 ppb (34) 9.8 ppb (10) N/A 25.0 ppb (24) N/A N/A 19.0 ppb (18) 0.46 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, 3 p.m. 54.3 ppb (52) 18.5 ppb (18) N/A 36.0 ppb (34) N/A N/A 9.0 ppb (9) 0.62 ppb (7) N/A 27.0 μg/m3 (83) 83.0
 
Oct. 29, 2020, 2 p.m. 52.3 ppb (50) 13.2 ppb (13) N/A 39.0 ppb (37) N/A N/A 3.0 ppb (3) 0.64 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 29, 2020, 1 p.m. 42.4 ppb (40) 4.5 ppb (5) N/A 38.0 ppb (36) N/A N/A 3.0 ppb (3) 0.61 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, noon 37.2 ppb (36) 1.8 ppb (2) N/A 35.0 ppb (34) N/A N/A 4.0 ppb (4) 0.6 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Oct. 29, 2020, 11 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
 
Oct. 29, 2020, 10 a.m. 18.5 ppb (18) 0.3 ppb (1) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (21) 0.43 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 29, 2020, 9 a.m. 15.1 ppb (15) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) 0.38 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 29, 2020, 8 a.m. 19.5 ppb (19) 0.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (25) 0.46 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 29, 2020, 7 a.m. 18.3 ppb (18) 0.3 ppb (1) N/A 18.0 ppb (17) N/A N/A 30.0 ppb (28) 0.48 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 29, 2020, 6 a.m. 12.9 ppb (13) 0.1 ppb (1) N/A 13.0 ppb (13) N/A N/A 41.0 ppb (38) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 29, 2020, 5 a.m. 8.9 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 47.0 ppb (44) 0.33 ppb (4) N/A 7.0 μg/m3 (30) 44.0
 
Oct. 29, 2020, 4 a.m. 10.3 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 46.0 ppb (43) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 43.0
 
Oct. 29, 2020, 3 a.m. 13.3 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 46.0 ppb (43) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 43.0
 
Oct. 29, 2020, 2 a.m. 11.3 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A 47.0 ppb (44) 0.38 ppb (5) N/A 9.0 μg/m3 (38) 44.0
 
Oct. 29, 2020, 1 a.m. 12.7 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 46.0 ppb (43) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 43.0
 
Oct. 29, 2020, midnight 21.8 ppb (21) 1.3 ppb (2) N/A 21.0 ppb (20) N/A N/A 36.0 ppb (34) 0.54 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 28, 2020, 11 p.m. 15.3 ppb (15) 1.1 ppb (2) N/A 14.0 ppb (14) N/A N/A 49.0 ppb (46) 0.46 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 28, 2020, 10 p.m. 16.7 ppb (16) 1.9 ppb (2) N/A 15.0 ppb (15) N/A N/A 48.0 ppb (45) 0.43 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 28, 2020, 9 p.m. 16.4 ppb (16) 2.2 ppb (3) N/A 14.0 ppb (14) N/A N/A 46.0 ppb (43) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 43.0
 
Oct. 28, 2020, 8 p.m. 19.5 ppb (19) 3.4 ppb (4) N/A 16.0 ppb (16) N/A N/A 38.0 ppb (36) 0.38 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 28, 2020, 7 p.m. 17.2 ppb (17) 3.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 35.0 ppb (33) 0.37 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 28, 2020, 6 p.m. 23.4 ppb (23) 6.0 ppb (6) N/A 17.0 ppb (17) N/A N/A 26.0 ppb (25) 0.39 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 28, 2020, 5 p.m. 29.4 ppb (28) 8.8 ppb (9) N/A 21.0 ppb (20) N/A N/A 18.0 ppb (17) 0.44 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 28, 2020, 4 p.m. 54.4 ppb (52) 22.3 ppb (22) N/A 32.0 ppb (31) N/A N/A 9.0 ppb (9) 0.64 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 28, 2020, 3 p.m. 60.2 ppb (58) 26.0 ppb (25) N/A 34.0 ppb (33) N/A N/A 5.0 ppb (5) 0.81 ppb (10) N/A 21.0 μg/m3 (70) 70.0
 
Oct. 28, 2020, 2 p.m. 50.7 ppb (48) 15.8 ppb (15) N/A 35.0 ppb (34) N/A N/A 3.0 ppb (3) 0.68 ppb (8) N/A 11.0 μg/m3 (46) 48.0
 
Oct. 28, 2020, 1 p.m. 38.9 ppb (37) 7.2 ppb (7) N/A 32.0 ppb (31) N/A N/A 3.0 ppb (3) 0.59 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 28, 2020, noon 41.3 ppb (39) 9.2 ppb (9) N/A 32.0 ppb (31) N/A N/A 3.0 ppb (3) 0.58 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 28, 2020, 10 a.m. 29.0 ppb (28) 2.4 ppb (3) N/A 27.0 ppb (26) N/A N/A 10.0 ppb (10) 0.43 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 28, 2020, 9 a.m. 18.8 ppb (18) 0.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (19) 0.39 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 28, 2020, 8 a.m. 16.5 ppb (16) 0.2 ppb (1) N/A 16.0 ppb (16) N/A N/A 28.0 ppb (26) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 28, 2020, 7 a.m. 24.3 ppb (23) 0.2 ppb (1) N/A 24.0 ppb (23) N/A N/A 22.0 ppb (21) 0.51 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 28, 2020, 6 a.m. 30.5 ppb (29) 0.6 ppb (1) N/A 30.0 ppb (29) N/A N/A 15.0 ppb (14) 0.64 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 28, 2020, 5 a.m. 32.8 ppb (31) 0.5 ppb (1) N/A 32.0 ppb (31) N/A N/A 15.0 ppb (14) 0.71 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 28, 2020, 4 a.m. 29.2 ppb (28) 0.3 ppb (1) N/A 29.0 ppb (28) N/A N/A 19.0 ppb (18) 0.68 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 28, 2020, 3 a.m. 17.9 ppb (17) 0.2 ppb (1) N/A 18.0 ppb (17) N/A N/A 31.0 ppb (29) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 28, 2020, 2 a.m. 22.5 ppb (22) 0.5 ppb (1) N/A 22.0 ppb (21) N/A N/A 30.0 ppb (28) 0.41 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 28, 2020, 1 a.m. 18.1 ppb (18) 0.5 ppb (1) N/A 18.0 ppb (17) N/A N/A 32.0 ppb (30) 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 28, 2020, midnight 10.0 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 41.0 ppb (38) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 38.0
 
Oct. 27, 2020, 11 p.m. 8.9 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 43.0 ppb (40) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 40.0
 
Oct. 27, 2020, 10 p.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.31 ppb (4) N/A 7.0 μg/m3 (30) 38.0
 
Oct. 27, 2020, 9 p.m. 8.5 ppb (9) 1.4 ppb (2) N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) 0.28 ppb (4) N/A 5.0 μg/m3 (21) 37.0
 
Oct. 27, 2020, 8 p.m. 7.5 ppb (8) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 27, 2020, 7 p.m. 9.6 ppb (10) 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 31.0
 
Oct. 27, 2020, 6 p.m. 11.5 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Oct. 27, 2020, 5 p.m. 14.8 ppb (14) 3.3 ppb (4) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 27, 2020, 4 p.m. 48.9 ppb (47) 19.4 ppb (19) N/A 29.0 ppb (28) N/A N/A 15.0 ppb (14) 0.62 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 27, 2020, 3 p.m. 98.0 ppb (98) 55.5 ppb (53) N/A 43.0 ppb (41) N/A N/A 5.0 ppb (5) 1.27 ppb (15) N/A 20.0 μg/m3 (68) 98.0
 
Oct. 27, 2020, 2 p.m. 75.6 ppb (75) 34.8 ppb (33) N/A 41.0 ppb (39) N/A N/A 3.0 ppb (3) 0.87 ppb (11) N/A 12.0 μg/m3 (50) 75.0
 
Oct. 27, 2020, 1 p.m. 60.5 ppb (58) 20.0 ppb (19) N/A 41.0 ppb (39) N/A N/A 4.0 ppb (4) 0.75 ppb (10) N/A 6.0 μg/m3 (25) 58.0
 
Oct. 27, 2020, noon 38.0 ppb (36) 3.8 ppb (4) N/A 34.0 ppb (33) N/A N/A 11.0 ppb (11) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 27, 2020, 11 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
 
Oct. 27, 2020, 10 a.m. 18.9 ppb (18) 0.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (22) 0.37 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 27, 2020, 9 a.m. 20.6 ppb (20) 0.6 ppb (1) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (20) 0.44 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 27, 2020, 8 a.m. 26.9 ppb (26) 0.6 ppb (1) N/A 26.0 ppb (25) N/A N/A 15.0 ppb (14) 0.51 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 27, 2020, 7 a.m. 23.4 ppb (23) 0.3 ppb (1) N/A 23.0 ppb (22) N/A N/A 18.0 ppb (17) 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 27, 2020, 6 a.m. 23.5 ppb (23) 0.2 ppb (1) N/A 23.0 ppb (22) N/A N/A 20.0 ppb (19) 0.5 ppb (6) N/A 5.0 μg/m3 (21) 23.0
 
Oct. 27, 2020, 5 a.m. 16.5 ppb (16) 0.2 ppb (1) N/A 16.0 ppb (16) N/A N/A 28.0 ppb (26) 0.44 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 27, 2020, 4 a.m. 9.8 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 40.0 ppb (38) 0.32 ppb (4) N/A 8.0 μg/m3 (34) 38.0
 
Oct. 27, 2020, 3 a.m. 10.3 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 41.0 ppb (38) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 38.0
 
Oct. 27, 2020, 2 a.m. 11.2 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A 40.0 ppb (38) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 38.0
 
Oct. 27, 2020, 1 a.m. 9.5 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 42.0 ppb (39) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 39.0
 
Oct. 27, 2020, midnight 8.5 ppb (9) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 43.0 ppb (40) 0.31 ppb (4) N/A 7.0 μg/m3 (30) 40.0
 
Oct. 26, 2020, 11 p.m. 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 49.0 ppb (46) 0.31 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 26, 2020, 10 p.m. 7.3 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 48.0 ppb (45) 0.3 ppb (4) N/A 10.0 μg/m3 (42) 45.0
 
Oct. 26, 2020, 9 p.m. 7.7 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 46.0 ppb (43) 0.27 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 26, 2020, 8 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (41) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 41.0
 
Oct. 26, 2020, 7 p.m. 9.4 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 39.0 ppb (37) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 37.0
 
Oct. 26, 2020, 6 p.m. 9.1 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.22 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 26, 2020, 5 p.m. 11.7 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) 0.22 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 26, 2020, 4 p.m. 12.3 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 30.0
 
Oct. 26, 2020, 3 p.m. 11.0 ppb (11) 2.6 ppb (3) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 26, 2020, 2 p.m. 10.1 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 26, 2020, 1 p.m. 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 35.0
 
Oct. 26, 2020, noon 6.9 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) 0.15 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 26, 2020, 11 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
 
Oct. 26, 2020, 10 a.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.13 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 26, 2020, 9 a.m. 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.13 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 26, 2020, 8 a.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.13 ppb (2) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 26, 2020, 7 a.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 26, 2020, 6 a.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.15 ppb (2) N/A 7.0 μg/m3 (30) 37.0
 
Oct. 26, 2020, 5 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.15 ppb (2) N/A 7.0 μg/m3 (30) 36.0
 
Oct. 26, 2020, 4 a.m. 6.0 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 33.0
 
Oct. 26, 2020, 3 a.m. 9.2 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 26, 2020, 2 a.m. 6.8 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.3 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 26, 2020, 1 a.m. 5.6 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 26, 2020, midnight 4.2 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 33.0
 
Oct. 25, 2020, 11 p.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 10 p.m. 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 39.0
 
Oct. 25, 2020, 9 p.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 39.0
 
Oct. 25, 2020, 8 p.m. 3.5 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.22 ppb (3) N/A 5.0 μg/m3 (21) 36.0
 
Oct. 25, 2020, 7 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 25, 2020, 6 p.m. 4.2 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 33.0
 
Oct. 25, 2020, 5 p.m. 2.9 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 33.0
 
Oct. 25, 2020, 4 p.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 33.0
 
Oct. 25, 2020, 3 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.22 ppb (3) N/A 7.0 μg/m3 (30) 33.0
 
Oct. 25, 2020, 2 p.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 35.0
 
Oct. 25, 2020, 1 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.19 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 25, 2020, noon 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 34.0
 
Oct. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 25, 2020, 10 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 34.0
 
Oct. 25, 2020, 9 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.18 ppb (3) N/A 8.0 μg/m3 (34) 35.0
 
Oct. 25, 2020, 8 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 36.0
 
Oct. 25, 2020, 7 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 36.0
 
Oct. 25, 2020, 6 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.18 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 25, 2020, 5 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.18 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 4 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 36.0
 
Oct. 25, 2020, 3 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 37.0
 
Oct. 25, 2020, 2 a.m. 3.5 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.25 ppb (3) N/A 8.0 μg/m3 (34) 36.0
 
Oct. 25, 2020, 1 a.m. 3.7 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, midnight 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 24, 2020, 11 p.m. 3.8 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 37.0
 
Oct. 24, 2020, 10 p.m. 4.4 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 38.0
 
Oct. 24, 2020, 9 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 38.0
 
Oct. 24, 2020, 8 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 37.0
 
Oct. 24, 2020, 7 p.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 35.0
 
Oct. 24, 2020, 6 p.m. 7.2 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.28 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 24, 2020, 5 p.m. 6.2 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.28 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 24, 2020, 4 p.m. 6.9 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 24, 2020, 3 p.m. 5.0 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 24, 2020, 2 p.m. 4.6 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 24, 2020, 1 p.m. 6.1 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 24, 2020, noon 10.7 ppb (11) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.29 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Oct. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Oct. 24, 2020, 10 a.m. 5.6 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 29.0
 
Oct. 24, 2020, 9 a.m. 5.1 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.24 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 24, 2020, 8 a.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 30.0
 
Oct. 24, 2020, 7 a.m. 6.6 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 26.0
 
Oct. 24, 2020, 6 a.m. 8.7 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 28.0 ppb (26) 0.31 ppb (4) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 24, 2020, 5 a.m. 5.8 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.29 ppb (4) N/A 6.0 μg/m3 (25) 34.0
 
Oct. 24, 2020, 4 a.m. 5.3 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 35.0
 
Oct. 24, 2020, 3 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 35.0
 
Oct. 24, 2020, 2 a.m. 4.2 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 36.0
 
Oct. 24, 2020, 1 a.m. 4.7 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 35.0
 
Oct. 24, 2020, midnight 6.0 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 23, 2020, 11 p.m. 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 37.0
 
Oct. 23, 2020, 10 p.m. 4.4 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 23, 2020, 9 p.m. 5.6 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 8 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 38.0
 
Oct. 23, 2020, 7 p.m. 13.0 ppb (13) 3.9 ppb (4) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 30.0
 
Oct. 23, 2020, 6 p.m. 19.8 ppb (19) 7.0 ppb (7) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) 0.32 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2020, 5 p.m. 18.5 ppb (18) 6.6 ppb (7) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) 0.27 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 4 p.m. 24.4 ppb (24) 7.9 ppb (8) N/A 17.0 ppb (17) N/A N/A 16.0 ppb (15) 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 23, 2020, 3 p.m. 32.8 ppb (31) 13.0 ppb (13) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (11) 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2020, 2 p.m. 30.5 ppb (29) 7.0 ppb (7) N/A 24.0 ppb (23) N/A N/A 10.0 ppb (10) 0.47 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0