ID: 161

AQSQID: 060470003

Site Name: Merced - S. Coffee Ave

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

Updated: Sept. 24, 2020, 9:40 p.m.

Location: Merced (S Coffee St), CA

Reporting: True, Located: True

Current AQI: 25.0

Merced (S Coffee St) CA, US: 37.2817, -120.433601

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 24, 2020, 7 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 6 p.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 5 p.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 4 p.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 3 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 2 p.m. 6.2 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 1 p.m. 5.4 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A N/A 2.0 μg/m3 (8) 10.0
 
Sept. 24, 2020, noon 3.0 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 12.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 10 a.m. 3.2 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 9 a.m. 4.3 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 8 a.m. 4.4 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A 1.0 μg/m3 (4) 12.0
 
Sept. 24, 2020, 7 a.m. 3.5 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
Sept. 24, 2020, 6 a.m. 2.3 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 5 a.m. 2.7 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 4 a.m. 3.4 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 3 a.m. 3.4 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 2 a.m. 4.5 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 1 a.m. 2.5 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Sept. 24, 2020, midnight 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Sept. 23, 2020, 11 p.m. 2.0 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
Sept. 23, 2020, 10 p.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
Sept. 23, 2020, 9 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Sept. 23, 2020, 8 p.m. 2.4 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
Sept. 23, 2020, 7 p.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Sept. 23, 2020, 6 p.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Sept. 23, 2020, 5 p.m. 4.6 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, 4 p.m. 19.6 ppb (18) 5.7 ppb (5) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 3 p.m. 34.2 ppb (32) 14.1 ppb (13) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 23, 2020, 2 p.m. 27.7 ppb (26) 10.2 ppb (9) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 1 p.m. 23.6 ppb (22) 4.0 ppb (4) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, noon 16.2 ppb (15) 0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 23, 2020, 11 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. 23, 2020, 10 a.m. 4.6 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Sept. 23, 2020, 9 a.m. 2.3 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Sept. 23, 2020, 8 a.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 7 a.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Sept. 23, 2020, 6 a.m. 2.9 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
Sept. 23, 2020, 5 a.m. 3.5 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Sept. 23, 2020, 4 a.m. 3.6 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 23, 2020, 3 a.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Sept. 23, 2020, 2 a.m. 2.3 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
Sept. 23, 2020, 1 a.m. 2.2 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
Sept. 23, 2020, midnight 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 2.0 μg/m3 (8) 44.0
 
Sept. 22, 2020, 11 p.m. 1.7 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 3.0 μg/m3 (12) 40.0
 
Sept. 22, 2020, 10 p.m. 2.5 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
Sept. 22, 2020, 9 p.m. 2.5 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
Sept. 22, 2020, 8 p.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 7.0 μg/m3 (29) 36.0
 
Sept. 22, 2020, 7 p.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
Sept. 22, 2020, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 22, 2020, 5 p.m. 12.0 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 22, 2020, 4 p.m. 16.0 ppb (15) 4.6 ppb (4) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2020, 3 p.m. 11.2 ppb (10) 2.5 ppb (2) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 22, 2020, 2 p.m. 19.3 ppb (18) 5.2 ppb (5) N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 1 p.m. 17.0 ppb (16) 0.6 ppb (1) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2020, noon 15.7 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 22, 2020, 10 a.m. 4.7 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 22, 2020, 9 a.m. 3.6 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 22, 2020, 8 a.m. 5.9 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 22, 2020, 7 a.m. 11.5 ppb (11) -0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 22, 2020, 6 a.m. 4.4 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 22, 2020, 5 a.m. 6.2 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 44.0 ppb (34) N/A N/A 27.0 μg/m3 (82) 82.0
 
Sept. 22, 2020, 4 a.m. 13.9 ppb (13) -0.3 ppb (0) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) N/A N/A 27.0 μg/m3 (82) 82.0
 
Sept. 22, 2020, 3 a.m. 9.1 ppb (8) -0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 22, 2020, 2 a.m. 6.3 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 44.0 ppb (34) N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 22, 2020, 1 a.m. 3.9 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (43) N/A N/A 30.0 μg/m3 (88) 88.0
 
Sept. 22, 2020, midnight 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (54) N/A N/A 31.0 μg/m3 (90) 90.0
 
Sept. 21, 2020, 11 p.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 75.0 ppb (58) N/A N/A 34.0 μg/m3 (97) 97.0
 
Sept. 21, 2020, 10 p.m. 3.7 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 80.0 ppb (62) N/A N/A 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 9 p.m. 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 77.0 ppb (60) N/A N/A N/A 60.0
 
Sept. 21, 2020, 8 p.m. 4.5 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 73.0 ppb (57) N/A N/A 41.0 μg/m3 (114) 114.0
 
Sept. 21, 2020, 7 p.m. 4.7 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 67.0 ppb (52) N/A N/A 40.0 μg/m3 (111) 111.0
 
Sept. 21, 2020, 6 p.m. 5.4 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 62.0 ppb (48) N/A N/A 50.0 μg/m3 (136) 136.0
 
Sept. 21, 2020, 5 p.m. 8.1 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 52.0 ppb (40) N/A N/A 65.0 μg/m3 (155) 155.0
 
Sept. 21, 2020, 4 p.m. 8.2 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 38.0 ppb (29) N/A N/A 54.0 μg/m3 (146) 146.0
 
Sept. 21, 2020, 3 p.m. 12.4 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A N/A 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 2 p.m. 25.4 ppb (24) 10.6 ppb (10) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 21, 2020, 1 p.m. 10.1 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) N/A N/A 22.0 μg/m3 (71) 71.0
 
Sept. 21, 2020, noon 9.1 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2020, 10 a.m. 10.7 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, 9 a.m. 10.6 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, 8 a.m. 17.3 ppb (16) 2.6 ppb (2) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 21, 2020, 7 a.m. 15.4 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2020, 6 a.m. 15.5 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 21, 2020, 5 a.m. 20.7 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 21, 2020, 4 a.m. 23.1 ppb (21) 1.3 ppb (1) N/A 22.0 ppb (20) N/A N/A 9.0 ppb (7) N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 21, 2020, 3 a.m. 12.5 ppb (12) -0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 32.0 ppb (25) N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 2 a.m. 7.6 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 1 a.m. 3.8 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (42) N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 21, 2020, midnight 2.5 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 11 p.m. 2.3 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 10 p.m. 3.4 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (49) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 9 p.m. 3.7 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 8 p.m. 4.5 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 60.0 ppb (46) N/A N/A 22.0 μg/m3 (71) 71.0
 
Sept. 20, 2020, 7 p.m. 8.0 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 51.0 ppb (39) N/A N/A 22.0 μg/m3 (71) 71.0
 
Sept. 20, 2020, 6 p.m. 6.5 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 5 p.m. 7.9 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 4 p.m. 10.2 ppb (9) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 3 p.m. 13.6 ppb (13) 3.2 ppb (3) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 2 p.m. 13.0 ppb (12) 2.5 ppb (2) N/A 11.0 ppb (10) N/A N/A 4.0 ppb (3) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 1 p.m. 14.8 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2020, noon 14.2 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 10 a.m. 12.6 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 9 a.m. 19.7 ppb (18) 3.1 ppb (3) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 8 a.m. 29.0 ppb (27) 9.4 ppb (9) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 7 a.m. 33.2 ppb (31) 9.2 ppb (9) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2020, 6 a.m. 16.9 ppb (16) 0.2 ppb (0) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2020, 5 a.m. 21.2 ppb (20) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 4 a.m. 11.8 ppb (11) -0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 3 a.m. 8.4 ppb (8) -0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 39.0 ppb (30) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 2 a.m. 3.7 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 8.0 μg/m3 (33) 34.0
 
Sept. 20, 2020, 1 a.m. 2.2 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 7.0 μg/m3 (29) 35.0
 
Sept. 20, 2020, midnight 2.3 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 8.0 μg/m3 (33) 37.0
 
Sept. 19, 2020, 11 p.m. 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
Sept. 19, 2020, 10 p.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
Sept. 19, 2020, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 7.0 μg/m3 (29) 35.0
 
Sept. 19, 2020, 8 p.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 7 p.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
Sept. 19, 2020, 6 p.m. 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 5 p.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 4 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 3 p.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 1 p.m. 3.3 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Sept. 19, 2020, noon 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
 
Sept. 19, 2020, 11 a.m. 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, 10 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 9 a.m. 3.2 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 8 a.m. 3.2 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 7 a.m. 3.4 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 6 a.m. 3.6 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 5 a.m. 3.3 ppb (3) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 4 a.m. 3.9 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 3 a.m. 2.6 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 2 a.m. 2.4 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 1 a.m. 2.1 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, midnight 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 11 p.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Sept. 18, 2020, 10 p.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 9 p.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 8 p.m. 2.6 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 7 p.m. 3.5 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 6 p.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 5 p.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 18, 2020, 4 p.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 3 p.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 2 p.m. 4.6 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 1 p.m. 2.8 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, noon 2.4 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 10 a.m. 2.3 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 9 a.m. 1.7 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 8 a.m. 2.3 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 7 a.m. 2.7 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 6 a.m. 3.5 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Sept. 18, 2020, 5 a.m. 11.8 ppb (11) -0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 18, 2020, 4 a.m. 12.0 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 3 a.m. 10.5 ppb (10) -0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) N/A N/A 26.0 μg/m3 (80) 80.0
 
Sept. 18, 2020, 2 a.m. 12.6 ppb (12) -0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) N/A N/A 57.0 μg/m3 (151) 151.0
 
Sept. 18, 2020, 1 a.m. 12.0 ppb (11) -0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 43.0 ppb (33) N/A N/A 80.0 μg/m3 (163) 163.0
 
Sept. 18, 2020, midnight 5.6 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (43) N/A N/A 92.0 μg/m3 (169) 169.0
 
Sept. 17, 2020, 11 p.m. 4.5 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (45) N/A N/A 92.0 μg/m3 (169) 169.0
 
Sept. 17, 2020, 10 p.m. 4.8 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (42) N/A N/A 117.0 μg/m3 (182) 182.0
 
Sept. 17, 2020, 9 p.m. 4.4 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (37) N/A N/A 92.0 μg/m3 (169) 169.0
 
Sept. 17, 2020, 8 p.m. 4.8 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) N/A N/A 93.0 μg/m3 (170) 170.0