ID: 130

AQSQID: 060250005

Site Name: Calexico - Ethel Street

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

Updated: July 5, 2020, 2:34 a.m.

Location: Calexico (Andrade Ave), CA

Reporting: True, Located: True

Current AQI: 46.0

Calexico (Andrade Ave) CA, US: 32.67618, -115.48307

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 5, 2020, 1 a.m. 4.1 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 60.0 ppb (46) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 46.0
 
July 5, 2020, midnight 5.0 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 68.0 ppb (52) 0.12 ppb (1) 30.0 μg/m3 (27) 5.0 μg/m3 (21) 52.0
 
July 4, 2020, 11 p.m. 5.0 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 70.0 ppb (54) 0.11 ppb (1) 35.0 μg/m3 (32) 8.0 μg/m3 (33) 54.0
 
July 4, 2020, 10 p.m. 5.5 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 72.0 ppb (56) 0.12 ppb (1) 37.0 μg/m3 (34) 10.0 μg/m3 (42) 56.0
 
July 4, 2020, 9 p.m. 5.5 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 71.0 ppb (55) 0.12 ppb (1) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 55.0
 
July 4, 2020, 8 p.m. 5.4 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 63.0 ppb (48) 0.11 ppb (1) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 48.0
 
July 4, 2020, 7 p.m. 4.3 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) 21.0 μg/m3 (19) 5.0 μg/m3 (21) 35.0
 
July 4, 2020, 6 p.m. 4.4 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 24.0 μg/m3 (22) 4.0 μg/m3 (17) 35.0
 
July 4, 2020, 5 p.m. 4.5 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.09 ppb (1) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 33.0
 
July 4, 2020, 4 p.m. 6.3 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.12 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 32.0
 
July 4, 2020, 3 p.m. 12.8 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 34.0 ppb (26) 0.18 ppb (2) 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
July 4, 2020, 2 p.m. 30.9 ppb (29) 13.5 ppb (12) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 12.0 ppb (9) 0.32 ppb (4) 64.0 μg/m3 (54) 17.0 μg/m3 (61) 61.0
 
July 4, 2020, 1 p.m. 22.6 ppb (21) 8.5 ppb (8) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 7.0 ppb (5) 0.3 ppb (3) 66.0 μg/m3 (56) 20.0 μg/m3 (67) 67.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
July 4, 2020, 11 a.m. 5.8 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.09 ppb (1) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 17.0
 
July 4, 2020, 10 a.m. 3.9 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.08 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 20.0
 
July 4, 2020, 9 a.m. 3.6 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
July 4, 2020, 8 a.m. 3.5 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 25.0
 
July 4, 2020, 7 a.m. 3.8 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.09 ppb (1) 26.0 μg/m3 (24) 3.0 μg/m3 (12) 28.0
 
July 4, 2020, 6 a.m. 4.2 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 32.0
 
July 4, 2020, 5 a.m. 4.8 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.13 ppb (1) 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
July 4, 2020, 4 a.m. 10.5 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 50.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
July 4, 2020, 3 a.m. 20.3 ppb (19) 4.9 ppb (5) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 7.0 ppb (5) 0.21 ppb (2) 60.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
July 4, 2020, 2 a.m. 8.9 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 36.0 ppb (28) 0.11 ppb (1) 39.0 μg/m3 (35) 5.0 μg/m3 (21) 35.0
 
July 4, 2020, 1 a.m. 4.1 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.08 ppb (1) 28.0 μg/m3 (25) 4.0 μg/m3 (17) 37.0
 
July 4, 2020, midnight 4.4 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.09 ppb (1) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 37.0
 
July 3, 2020, 11 p.m. 4.6 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.08 ppb (1) 31.0 μg/m3 (28) 8.0 μg/m3 (33) 37.0
 
July 3, 2020, 10 p.m. 5.0 ppb (5) 2.6 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.07 ppb (1) 22.0 μg/m3 (20) 4.0 μg/m3 (17) 35.0
 
July 3, 2020, 9 p.m. 4.6 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) 0.07 ppb (1) 26.0 μg/m3 (24) 4.0 μg/m3 (17) 36.0
 
July 3, 2020, 8 p.m. 5.5 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.08 ppb (1) 28.0 μg/m3 (25) 5.0 μg/m3 (21) 37.0
 
July 3, 2020, 7 p.m. 6.0 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 54.0 ppb (42) 0.1 ppb (1) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 42.0
 
July 3, 2020, 6 p.m. 7.4 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 55.0 ppb (42) 0.13 ppb (1) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 42.0
 
July 3, 2020, 5 p.m. 8.4 ppb (8) 2.9 ppb (3) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 45.0 ppb (35) 0.13 ppb (1) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 4 p.m. 15.8 ppb (15) 5.5 ppb (5) N/A 10.0 ppb (9) N/A 3.0 ppb (4) 31.0 ppb (24) 0.17 ppb (2) 40.0 μg/m3 (36) 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 3 p.m. 29.5 ppb (27) 11.6 ppb (11) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 19.0 ppb (15) 0.26 ppb (3) 54.0 μg/m3 (49) 12.0 μg/m3 (50) 50.0
 
July 3, 2020, 2 p.m. 38.6 ppb (36) 18.7 ppb (17) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 9.0 ppb (7) 0.35 ppb (4) 86.0 μg/m3 (66) 26.0 μg/m3 (80) 80.0
 
July 3, 2020, 1 p.m. 28.6 ppb (26) 13.5 ppb (12) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 5.0 ppb (4) 0.33 ppb (4) 57.0 μg/m3 (51) 14.0 μg/m3 (54) 54.0
 
July 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 14.0 μg/m3 (54) 54.0
 
July 3, 2020, 11 a.m. 9.9 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) 0.14 ppb (2) 43.0 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
July 3, 2020, 10 a.m. 8.8 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.12 ppb (1) 47.0 μg/m3 (43) 8.0 μg/m3 (33) 43.0
 
July 3, 2020, 9 a.m. 5.8 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) 0.09 ppb (1) 43.0 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
July 3, 2020, 8 a.m. 4.9 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.08 ppb (1) 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
July 3, 2020, 7 a.m. 5.2 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 6 a.m. 5.6 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) 26.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
July 3, 2020, 5 a.m. 3.8 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.07 ppb (1) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
July 3, 2020, 4 a.m. 13.6 ppb (13) 2.8 ppb (3) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 17.0 ppb (13) 0.12 ppb (1) 54.0 μg/m3 (49) 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 3 a.m. 12.9 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 16.0 ppb (12) 0.13 ppb (1) 55.0 μg/m3 (50) 8.0 μg/m3 (33) 50.0
 
July 3, 2020, 2 a.m. 9.8 ppb (9) 3.2 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.12 ppb (1) 50.0 μg/m3 (45) 6.0 μg/m3 (25) 45.0
 
July 3, 2020, 1 a.m. 6.5 ppb (6) 3.6 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) 36.0 μg/m3 (33) 2.0 μg/m3 (8) 33.0
 
July 3, 2020, midnight 5.7 ppb (5) 2.8 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 37.0 ppb (28) 0.1 ppb (1) 65.0 μg/m3 (55) 4.0 μg/m3 (17) 55.0
 
July 2, 2020, 11 p.m. 7.3 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) 87.0 μg/m3 (66) 6.0 μg/m3 (25) 66.0
 
July 2, 2020, 10 p.m. 5.9 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) 0.09 ppb (1) 32.0 μg/m3 (29) 5.0 μg/m3 (21) 35.0
 
July 2, 2020, 9 p.m. 6.0 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 48.0 ppb (37) 0.09 ppb (1) 35.0 μg/m3 (32) 3.0 μg/m3 (12) 37.0
 
July 2, 2020, 8 p.m. 7.4 ppb (7) 2.7 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 62.0 ppb (48) 0.15 ppb (2) 60.0 μg/m3 (52) 22.0 μg/m3 (71) 71.0
 
July 2, 2020, 7 p.m. 5.9 ppb (5) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 60.0 ppb (46) 0.12 ppb (1) 36.0 μg/m3 (33) 7.0 μg/m3 (29) 46.0
 
July 2, 2020, 6 p.m. 5.2 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.11 ppb (1) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 41.0
 
July 2, 2020, 5 p.m. 5.0 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 44.0
 
July 2, 2020, 4 p.m. 6.3 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) 50.0 μg/m3 (45) 6.0 μg/m3 (25) 45.0
 
July 2, 2020, 3 p.m. 7.1 ppb (7) 2.7 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
July 2, 2020, 2 p.m. 11.8 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) 50.0 μg/m3 (45) 8.0 μg/m3 (33) 45.0
 
July 2, 2020, 1 p.m. 13.4 ppb (12) 4.5 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (12) 0.16 ppb (2) 69.0 μg/m3 (57) 10.0 μg/m3 (42) 57.0
 
July 2, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
July 2, 2020, 11 a.m. 7.0 ppb (6) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.11 ppb (1) 40.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
July 2, 2020, 10 a.m. 7.5 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
July 2, 2020, 9 a.m. 6.6 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) 41.0 μg/m3 (37) 8.0 μg/m3 (33) 37.0
 
July 2, 2020, 8 a.m. 6.5 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.09 ppb (1) 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
July 2, 2020, 7 a.m. 7.3 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 6 a.m. 19.6 ppb (18) 2.6 ppb (2) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 20.0 ppb (15) 0.12 ppb (1) 32.0 μg/m3 (29) 8.0 μg/m3 (33) 33.0
 
July 2, 2020, 5 a.m. 23.3 ppb (22) 2.4 ppb (2) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 20.0 ppb (15) 0.15 ppb (2) 41.0 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
July 2, 2020, 4 a.m. 12.2 ppb (11) 2.5 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 34.0 ppb (26) 0.18 ppb (2) 65.0 μg/m3 (55) 11.0 μg/m3 (46) 55.0
 
July 2, 2020, 3 a.m. 11.1 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 36.0 ppb (28) 0.19 ppb (2) 63.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
July 2, 2020, 2 a.m. 9.2 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.13 ppb (1) 68.0 μg/m3 (56) 11.0 μg/m3 (46) 56.0
 
July 2, 2020, 1 a.m. 6.5 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 62.0 ppb (48) 0.14 ppb (2) 49.0 μg/m3 (45) 17.0 μg/m3 (61) 61.0
 
July 2, 2020, midnight 5.6 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 61.0 ppb (47) 0.12 ppb (1) 47.0 μg/m3 (43) 9.0 μg/m3 (38) 47.0
 
July 1, 2020, 11 p.m. 6.4 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 65.0 ppb (50) 0.13 ppb (1) 43.0 μg/m3 (39) 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 10 p.m. 5.2 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 65.0 ppb (50) 0.12 ppb (1) 45.0 μg/m3 (41) 10.0 μg/m3 (42) 50.0
 
July 1, 2020, 9 p.m. 5.2 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 64.0 ppb (49) 0.12 ppb (1) 42.0 μg/m3 (38) 8.0 μg/m3 (33) 49.0
 
July 1, 2020, 8 p.m. 6.1 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 64.0 ppb (49) 0.13 ppb (1) 43.0 μg/m3 (39) 9.0 μg/m3 (38) 49.0
 
July 1, 2020, 7 p.m. 5.8 ppb (5) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 65.0 ppb (50) 0.13 ppb (1) 42.0 μg/m3 (38) 8.0 μg/m3 (33) 50.0
 
July 1, 2020, 6 p.m. 5.6 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 61.0 ppb (47) 0.12 ppb (1) 36.0 μg/m3 (33) 10.0 μg/m3 (42) 47.0
 
July 1, 2020, 5 p.m. 7.6 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 55.0 ppb (42) 0.15 ppb (2) 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
July 1, 2020, 4 p.m. 15.3 ppb (14) 4.9 ppb (5) N/A 10.0 ppb (9) N/A 3.0 ppb (4) 39.0 ppb (30) 0.21 ppb (2) 44.0 μg/m3 (40) 13.0 μg/m3 (52) 52.0
 
July 1, 2020, 3 p.m. 14.9 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 33.0 ppb (25) 0.18 ppb (2) 42.0 μg/m3 (38) 8.0 μg/m3 (33) 38.0
 
July 1, 2020, 2 p.m. 34.9 ppb (32) 11.5 ppb (11) N/A 23.0 ppb (21) N/A 3.0 ppb (4) 18.0 ppb (14) 0.23 ppb (3) 69.0 μg/m3 (57) 17.0 μg/m3 (61) 61.0
 
July 1, 2020, 1 p.m. 21.9 ppb (20) 5.9 ppb (5) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) 37.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
July 1, 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 1, 2020, 11 a.m. 5.2 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 28.0
 
July 1, 2020, 10 a.m. 7.2 ppb (7) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
July 1, 2020, 9 a.m. 6.3 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 45.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 8 a.m. 7.6 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) 51.0 μg/m3 (46) 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 7 a.m. 7.2 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 71.0 μg/m3 (58) 13.0 μg/m3 (52) 58.0
 
July 1, 2020, 6 a.m. 7.6 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) 56.0 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
July 1, 2020, 5 a.m. 8.1 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 57.0 μg/m3 (51) 13.0 μg/m3 (52) 52.0
 
July 1, 2020, 4 a.m. 15.2 ppb (14) 2.1 ppb (2) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 42.0 ppb (32) 0.26 ppb (3) 74.0 μg/m3 (60) 20.0 μg/m3 (67) 67.0
 
July 1, 2020, 3 a.m. 13.4 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 49.0 ppb (38) 0.25 ppb (3) 66.0 μg/m3 (56) 15.0 μg/m3 (56) 56.0
 
July 1, 2020, 2 a.m. 6.3 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 71.0 ppb (55) 0.16 ppb (2) 45.0 μg/m3 (41) 9.0 μg/m3 (38) 55.0
 
July 1, 2020, 1 a.m. 4.2 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 81.0 ppb (63) 0.12 ppb (1) 40.0 μg/m3 (36) 6.0 μg/m3 (25) 63.0
 
July 1, 2020, midnight 4.6 ppb (4) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 76.0 ppb (59) 0.11 ppb (1) 31.0 μg/m3 (28) 9.0 μg/m3 (38) 59.0
 
June 30, 2020, 11 p.m. 6.3 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 83.0 ppb (65) 0.14 ppb (2) 39.0 μg/m3 (35) 6.0 μg/m3 (25) 65.0
 
June 30, 2020, 10 p.m. 5.1 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 72.0 ppb (56) 0.12 ppb (1) 31.0 μg/m3 (28) 3.0 μg/m3 (12) 56.0
 
June 30, 2020, 9 p.m. 4.3 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 64.0 ppb (49) 0.1 ppb (1) 35.0 μg/m3 (32) 4.0 μg/m3 (17) 49.0
 
June 30, 2020, 8 p.m. 3.8 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 61.0 ppb (47) 0.09 ppb (1) 33.0 μg/m3 (30) 5.0 μg/m3 (21) 47.0
 
June 30, 2020, 7 p.m. 4.9 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 59.0 ppb (45) 0.1 ppb (1) 35.0 μg/m3 (32) 3.0 μg/m3 (12) 45.0
 
June 30, 2020, 6 p.m. 5.8 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.11 ppb (1) 34.0 μg/m3 (31) 2.0 μg/m3 (8) 43.0
 
June 30, 2020, 5 p.m. 8.3 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 32.0 μg/m3 (29) 2.0 μg/m3 (8) 38.0
 
June 30, 2020, 4 p.m. 7.1 ppb (7) 2.7 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 35.0 μg/m3 (32) 5.0 μg/m3 (21) 34.0
 
June 30, 2020, 3 p.m. 7.5 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
June 30, 2020, 2 p.m. 12.3 ppb (11) 3.6 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 43.0 μg/m3 (39) 8.0 μg/m3 (33) 39.0
 
June 30, 2020, 1 p.m. 11.3 ppb (10) 2.7 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
June 30, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
June 30, 2020, 11 a.m. 4.5 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.08 ppb (1) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 32.0
 
June 30, 2020, 10 a.m. 4.1 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.08 ppb (1) 12.0 μg/m3 (11) N/A 32.0
 
June 30, 2020, 9 a.m. 3.9 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.08 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 32.0
 
June 30, 2020, 8 a.m. 3.4 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.07 ppb (1) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 33.0
 
June 30, 2020, 7 a.m. 3.1 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.07 ppb (1) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 34.0
 
June 30, 2020, 6 a.m. 3.3 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.07 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 35.0
 
June 30, 2020, 5 a.m. 4.1 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.08 ppb (1) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 32.0
 
June 30, 2020, 4 a.m. 4.9 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.11 ppb (1) 48.0 μg/m3 (44) 7.0 μg/m3 (29) 44.0
 
June 30, 2020, 3 a.m. 4.2 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
June 30, 2020, 2 a.m. 3.8 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.07 ppb (1) 36.0 μg/m3 (33) 5.0 μg/m3 (21) 34.0
 
June 30, 2020, 1 a.m. 3.7 ppb (3) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.08 ppb (1) 42.0 μg/m3 (38) 2.0 μg/m3 (8) 38.0
 
June 30, 2020, midnight 3.5 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.08 ppb (1) 45.0 μg/m3 (41) 1.0 μg/m3 (4) 41.0
 
June 29, 2020, 11 p.m. 3.6 ppb (3) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.08 ppb (1) 52.0 μg/m3 (47) 2.0 μg/m3 (8) 47.0
 
June 29, 2020, 10 p.m. 3.4 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (42) 0.08 ppb (1) 62.0 μg/m3 (54) 4.0 μg/m3 (17) 54.0
 
June 29, 2020, 9 p.m. 3.6 ppb (3) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.07 ppb (1) 70.0 μg/m3 (58) 5.0 μg/m3 (21) 58.0
 
June 29, 2020, 8 p.m. 3.8 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.07 ppb (1) 30.0 μg/m3 (27) 2.0 μg/m3 (8) 39.0
 
June 29, 2020, 7 p.m. 3.8 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.07 ppb (1) 33.0 μg/m3 (30) 2.0 μg/m3 (8) 38.0
 
June 29, 2020, 6 p.m. 4.1 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.07 ppb (1) 48.0 μg/m3 (44) 1.0 μg/m3 (4) 44.0
 
June 29, 2020, 5 p.m. 3.7 ppb (3) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.07 ppb (1) 36.0 μg/m3 (33) 1.0 μg/m3 (4) 33.0
 
June 29, 2020, 4 p.m. 3.7 ppb (3) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.06 ppb (1) 67.0 μg/m3 (56) 2.0 μg/m3 (8) 56.0
 
June 29, 2020, 3 p.m. 3.8 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.07 ppb (1) 110.0 μg/m3 (78) 4.0 μg/m3 (17) 78.0
 
June 29, 2020, 2 p.m. 3.7 ppb (3) 2.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) 73.0 μg/m3 (59) 6.0 μg/m3 (25) 59.0
 
June 29, 2020, 1 p.m. 3.7 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.07 ppb (1) 95.0 μg/m3 (70) 6.0 μg/m3 (25) 70.0
 
June 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 118.0 μg/m3 (82) 6.0 μg/m3 (25) 82.0
 
June 29, 2020, 11 a.m. 3.1 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.07 ppb (1) 61.0 μg/m3 (53) 4.0 μg/m3 (17) 53.0
 
June 29, 2020, 10 a.m. 3.1 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.07 ppb (1) 131.0 μg/m3 (88) 7.0 μg/m3 (29) 88.0
 
June 29, 2020, 9 a.m. 2.8 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.07 ppb (1) 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
June 29, 2020, 8 a.m. 2.7 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.07 ppb (1) 46.0 μg/m3 (42) 6.0 μg/m3 (25) 42.0
 
June 29, 2020, 7 a.m. 2.8 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.07 ppb (1) 34.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
June 29, 2020, 6 a.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
June 29, 2020, 5 a.m. 2.9 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 26.0
 
June 29, 2020, 4 a.m. 3.0 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.09 ppb (1) 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
June 29, 2020, 3 a.m. 3.5 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 70.0 μg/m3 (58) 12.0 μg/m3 (50) 58.0
 
June 29, 2020, 2 a.m. 3.3 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) 73.0 μg/m3 (59) 12.0 μg/m3 (50) 59.0
 
June 29, 2020, 1 a.m. 3.4 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 76.0 μg/m3 (60) 8.0 μg/m3 (33) 60.0
 
June 29, 2020, midnight 3.3 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 89.0 μg/m3 (67) 8.0 μg/m3 (33) 67.0
 
June 28, 2020, 11 p.m. 3.2 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 78.0 μg/m3 (62) 9.0 μg/m3 (38) 62.0
 
June 28, 2020, 10 p.m. 3.5 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (42) 0.09 ppb (1) 113.0 μg/m3 (79) 11.0 μg/m3 (46) 79.0
 
June 28, 2020, 9 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 60.0 ppb (46) 0.1 ppb (1) 36.0 μg/m3 (33) 7.0 μg/m3 (29) 46.0
 
June 28, 2020, 8 p.m. 5.5 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 59.0 ppb (45) 0.12 ppb (1) 51.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
June 28, 2020, 7 p.m. 6.3 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 59.0 ppb (45) 0.13 ppb (1) 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
June 28, 2020, 6 p.m. 6.1 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 55.0 ppb (42) 0.13 ppb (1) 39.0 μg/m3 (35) 9.0 μg/m3 (38) 42.0
 
June 28, 2020, 5 p.m. 5.7 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 46.0 ppb (35) 0.13 ppb (1) 36.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
June 28, 2020, 4 p.m. 6.1 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 39.0 ppb (30) 0.12 ppb (1) 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
June 28, 2020, 3 p.m. 6.2 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) 46.0 μg/m3 (42) 10.0 μg/m3 (42) 42.0
 
June 28, 2020, 2 p.m. 6.9 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
June 28, 2020, 1 p.m. 5.2 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
June 28, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
June 28, 2020, 11 a.m. 5.5 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) 0.14 ppb (2) 36.0 μg/m3 (33) 18.0 μg/m3 (63) 63.0
 
June 28, 2020, 10 a.m. 13.3 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 21.0 ppb (16) 0.09 ppb (1) 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
June 28, 2020, 9 a.m. 19.8 ppb (18) 4.7 ppb (4) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 15.0 ppb (12) 0.11 ppb (1) 32.0 μg/m3 (29) 16.0 μg/m3 (59) 59.0
 
June 28, 2020, 8 a.m. 13.4 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 17.0 ppb (13) 0.13 ppb (1) 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
June 28, 2020, 7 a.m. 7.5 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.15 ppb (2) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
June 28, 2020, 6 a.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) 39.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
June 28, 2020, 5 a.m. 11.9 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 43.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
June 28, 2020, 4 a.m. 3.9 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 42.0
 
June 28, 2020, 3 a.m. 5.2 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.12 ppb (1) 52.0 μg/m3 (47) 9.0 μg/m3 (38) 47.0
 
June 28, 2020, 2 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 46.0 ppb (35) 0.14 ppb (2) 45.0 μg/m3 (41) 11.0 μg/m3 (46) 46.0