ID: 235

AQSQID: 060990005

Site Name: Modesto - 14th Street

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

Updated: July 15, 2020, 12:40 p.m.

Location: Modesto (Downtown), CA

Reporting: True, Located: True

Current AQI: 63.0

Modesto (Downtown) CA, US: 37.642165, -120.994212

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.21 ppb (2) 22.0 μg/m3 (20) 18.0 μg/m3 (63) 63.0
 
July 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.15 ppb (2) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
July 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.17 ppb (2) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
July 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.17 ppb (2) 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.18 ppb (2) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.18 ppb (2) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.19 ppb (2) 35.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
July 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.19 ppb (2) 61.0 μg/m3 (53) 11.0 μg/m3 (46) 53.0
 
July 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.21 ppb (2) 50.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
July 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.19 ppb (2) 36.0 μg/m3 (33) 11.0 μg/m3 (46) 48.0
 
July 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.19 ppb (2) 33.0 μg/m3 (30) 8.0 μg/m3 (33) 51.0
 
July 15, 2020, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.18 ppb (2) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 45.0
 
July 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) 0.19 ppb (2) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 49.0
 
July 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) 0.2 ppb (2) 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.2 ppb (2) 45.0 μg/m3 (41) 12.0 μg/m3 (50) 51.0
 
July 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.21 ppb (2) 45.0 μg/m3 (41) 11.0 μg/m3 (46) 46.0
 
July 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.2 ppb (2) 43.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
July 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.2 ppb (2) 39.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
July 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.19 ppb (2) 44.0 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
July 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.17 ppb (2) 38.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.17 ppb (2) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.17 ppb (2) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.15 ppb (2) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.17 ppb (2) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.16 ppb (2) 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.15 ppb (2) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.16 ppb (2) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.15 ppb (2) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.15 ppb (2) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.15 ppb (2) 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.17 ppb (2) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.16 ppb (2) 38.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.17 ppb (2) 44.0 μg/m3 (40) 9.0 μg/m3 (38) 40.0
 
July 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.18 ppb (2) 43.0 μg/m3 (39) 8.0 μg/m3 (33) 42.0
 
July 14, 2020, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.18 ppb (2) 41.0 μg/m3 (37) 7.0 μg/m3 (29) 45.0
 
July 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.16 ppb (2) 31.0 μg/m3 (28) 8.0 μg/m3 (33) 45.0
 
July 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.16 ppb (2) 38.0 μg/m3 (35) 9.0 μg/m3 (38) 45.0
 
July 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.17 ppb (2) 30.0 μg/m3 (27) 9.0 μg/m3 (38) 44.0
 
July 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.17 ppb (2) 35.0 μg/m3 (32) 8.0 μg/m3 (33) 43.0
 
July 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.19 ppb (2) 35.0 μg/m3 (32) 6.0 μg/m3 (25) 40.0
 
July 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.17 ppb (2) 28.0 μg/m3 (25) 3.0 μg/m3 (12) 28.0
 
July 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.15 ppb (2) 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
July 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.16 ppb (2) 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
July 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.16 ppb (2) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
July 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.15 ppb (2) 23.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
July 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.13 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 13, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
July 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.13 ppb (1) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
July 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.18 ppb (2) 72.0 μg/m3 (58) 37.0 μg/m3 (104) 104.0
 
July 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.33 ppb (4) 177.0 μg/m3 (111) 158.0 μg/m3 (208) 208.0
 
July 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.14 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
July 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.15 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 17.0
 
July 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.16 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 24.0
 
July 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.17 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 32.0
 
July 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.16 ppb (2) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 38.0
 
July 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.17 ppb (2) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 41.0
 
July 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) 0.17 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 53.0
 
July 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) 0.16 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 55.0
 
July 13, 2020, midnight N/A N/A N/A N/A N/A N/A 68.0 ppb (52) 0.16 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 52.0
 
July 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) 0.15 ppb (2) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 52.0
 
July 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.15 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 50.0
 
July 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.13 ppb (1) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 45.0
 
July 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.15 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 46.0
 
July 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.16 ppb (2) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 46.0
 
July 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.18 ppb (2) 15.0 μg/m3 (14) 1.0 μg/m3 (4) 44.0
 
July 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.16 ppb (2) 15.0 μg/m3 (14) 1.0 μg/m3 (4) 37.0
 
July 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.16 ppb (2) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 32.0
 
July 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.16 ppb (2) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
July 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.17 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 22.0
 
July 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.22 ppb (2) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
July 12, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
July 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.23 ppb (3) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 18.0
 
July 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.16 ppb (2) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 27.0
 
July 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.16 ppb (2) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 28.0
 
July 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.17 ppb (2) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 27.0
 
July 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.18 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 30.0
 
July 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 21.0 μg/m3 (19) 5.0 μg/m3 (21) 28.0
 
July 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.21 ppb (2) 23.0 μg/m3 (21) 3.0 μg/m3 (12) 30.0
 
July 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.2 ppb (2) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 36.0
 
July 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.16 ppb (2) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 43.0
 
July 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.15 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 48.0
 
July 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) 0.15 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 52.0
 
July 12, 2020, midnight N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.15 ppb (2) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 51.0
 
July 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.13 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 42.0
 
July 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.14 ppb (2) 19.0 μg/m3 (17) 1.0 μg/m3 (4) 45.0
 
July 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.13 ppb (1) 13.0 μg/m3 (12) 1.0 μg/m3 (4) 44.0
 
July 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.15 ppb (2) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 46.0
 
July 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.16 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 43.0
 
July 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.15 ppb (2) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 40.0
 
July 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.16 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 37.0
 
July 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.18 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 29.0
 
July 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.19 ppb (2) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 24.0
 
July 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.17 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
July 11, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
July 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.25 ppb (3) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
July 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.19 ppb (2) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
July 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.11 ppb (1) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.1 ppb (1) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.09 ppb (1) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 18.0
 
July 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 22.0
 
July 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 28.0
 
July 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.18 ppb (2) 18.0 μg/m3 (16) 4.0 μg/m3 (17) 30.0
 
July 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.15 ppb (2) 22.0 μg/m3 (20) 4.0 μg/m3 (17) 39.0
 
July 11, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.06 ppb (1) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 36.0
 
July 11, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.01 ppb (0) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 38.0
 
July 11, 2020, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.02 ppb (0) 21.0 μg/m3 (19) 3.0 μg/m3 (12) 41.0
 
July 10, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.02 ppb (0) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 42.0
 
July 10, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.0 ppb (0) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 40.0
 
July 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 29.0 μg/m3 (26) 5.0 μg/m3 (21) 42.0
 
July 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
July 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 24.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
July 10, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.17 ppb (2) 28.0 μg/m3 (25) 2.0 μg/m3 (8) 28.0
 
July 10, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.15 ppb (2) 28.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
July 10, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.14 ppb (2) 21.0 μg/m3 (19) N/A 19.0
 
July 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.15 ppb (2) 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
July 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.18 ppb (2) 26.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
July 10, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.17 ppb (2) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 10, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.15 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.14 ppb (2) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
July 10, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.16 ppb (2) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.17 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 10, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.16 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 10, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.17 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 25.0
 
July 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.18 ppb (2) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.18 ppb (2) 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.16 ppb (2) 22.0 μg/m3 (20) 4.0 μg/m3 (17) 38.0
 
July 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.14 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 42.0
 
July 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.15 ppb (2) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 47.0
 
July 10, 2020, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.15 ppb (2) 23.0 μg/m3 (21) 4.0 μg/m3 (17) 45.0
 
July 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.16 ppb (2) 23.0 μg/m3 (21) 7.0 μg/m3 (29) 47.0
 
July 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.17 ppb (2) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 48.0
 
July 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.16 ppb (2) 37.0 μg/m3 (34) 9.0 μg/m3 (38) 48.0
 
July 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.18 ppb (2) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.18 ppb (2) 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.16 ppb (2) 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.15 ppb (2) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.15 ppb (2) 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.17 ppb (2) 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.17 ppb (2) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.12 ppb (1) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.13 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.13 ppb (1) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.13 ppb (1) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.14 ppb (2) 19.0 μg/m3 (17) 4.0 μg/m3 (17) 21.0
 
July 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.17 ppb (2) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.18 ppb (2) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.16 ppb (2) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 30.0
 
July 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.18 ppb (2) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 33.0
 
July 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.18 ppb (2) 31.0 μg/m3 (28) 5.0 μg/m3 (21) 45.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.17 ppb (2) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 51.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.15 ppb (2) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 48.0
 
July 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) 0.16 ppb (2) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 52.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) 0.16 ppb (2) N/A N/A 52.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) 0.17 ppb (2) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 52.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.18 ppb (2) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 50.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.19 ppb (2) 39.0 μg/m3 (35) 9.0 μg/m3 (38) 44.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.18 ppb (2) 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) 34.0 μg/m3 (31) 7.0 μg/m3 (29) 31.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.19 ppb (2) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.18 ppb (2) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.17 ppb (2) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.2 ppb (2) 32.0 μg/m3 (29) 8.0 μg/m3 (33) 33.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0