ID: 110

AQSQID: 060010007

Site Name: Livermore - Rincon

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

Updated: Aug. 3, 2021, 4:56 a.m.

Location: Livermore (Trevarno), CA

Reporting: True, Located: True

Current AQI: 24.0

Livermore (Trevarno) CA, US: 37.687526, -121.784217

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 3 a.m. 10.0 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
Aug. 3, 2021, 2 a.m. 6.8 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Aug. 3, 2021, 1 a.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Aug. 3, 2021, midnight 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (49) N/A N/A 4.0 μg/m3 (17) 49.0
 
Aug. 2, 2021, 11 p.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) N/A N/A 5.0 μg/m3 (21) 68.0
 
Aug. 2, 2021, 10 p.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) N/A N/A 6.0 μg/m3 (25) 78.0
 
Aug. 2, 2021, 9 p.m. 3.8 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) N/A N/A 7.0 μg/m3 (30) 74.0
 
Aug. 2, 2021, 8 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A N/A 8.0 μg/m3 (34) 55.0
 
Aug. 2, 2021, 7 p.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) N/A N/A 8.0 μg/m3 (34) 43.0
 
Aug. 2, 2021, 6 p.m. 5.2 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Aug. 2, 2021, 5 p.m. 5.1 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Aug. 2, 2021, 4 p.m. 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
Aug. 2, 2021, 3 p.m. 4.1 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
Aug. 2, 2021, 2 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2021, 1 p.m. 3.7 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 15.0
 
Aug. 2, 2021, noon 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
Aug. 2, 2021, 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
 
Aug. 2, 2021, 10 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Aug. 2, 2021, 9 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
Aug. 2, 2021, 8 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Aug. 2, 2021, 7 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
Aug. 2, 2021, 6 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Aug. 2, 2021, 5 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Aug. 2, 2021, 4 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
Aug. 2, 2021, 3 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Aug. 2, 2021, 2 a.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
Aug. 2, 2021, 1 a.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
Aug. 2, 2021, midnight 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Aug. 1, 2021, 11 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
Aug. 1, 2021, 10 p.m. 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
Aug. 1, 2021, 9 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
Aug. 1, 2021, 8 p.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
Aug. 1, 2021, 7 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
Aug. 1, 2021, 6 p.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
Aug. 1, 2021, 5 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Aug. 1, 2021, 4 p.m. 3.2 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Aug. 1, 2021, 3 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2021, 2 p.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (19) N/A N/A 8.0 μg/m3 (34) 34.0
 
Aug. 1, 2021, 1 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2021, noon 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) N/A N/A 7.0 μg/m3 (30) 30.0
 
Aug. 1, 2021, 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 (34) 34.0
 
Aug. 1, 2021, 10 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 1, 2021, 9 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Aug. 1, 2021, 8 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2021, 7 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Aug. 1, 2021, 6 a.m. 4.2 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Aug. 1, 2021, 5 a.m. 3.8 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
Aug. 1, 2021, 4 a.m. 3.6 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Aug. 1, 2021, 3 a.m. 4.8 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
Aug. 1, 2021, 2 a.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Aug. 1, 2021, 1 a.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
Aug. 1, 2021, midnight 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
July 31, 2021, 11 p.m. 1.8 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
July 31, 2021, 10 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 8.0 μg/m3 (34) 43.0
 
July 31, 2021, 9 p.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 7.0 μg/m3 (30) 48.0
 
July 31, 2021, 8 p.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 9.0 μg/m3 (38) 48.0
 
July 31, 2021, 7 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 8.0 μg/m3 (34) 43.0
 
July 31, 2021, 6 p.m. 4.3 ppb (5) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
July 31, 2021, 5 p.m. 3.8 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 31, 2021, 4 p.m. 4.4 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 31, 2021, 3 p.m. 4.1 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 31, 2021, 2 p.m. 3.7 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2021, 1 p.m. 4.7 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (13) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 31, 2021, noon 5.7 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 31, 2021, 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
 
July 31, 2021, 10 a.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2021, 9 a.m. 5.4 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2021, 8 a.m. 5.5 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 31, 2021, 7 a.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2021, 6 a.m. 4.1 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2021, 5 a.m. 4.8 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
July 31, 2021, 4 a.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2021, 3 a.m. 6.3 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 31, 2021, 2 a.m. 7.8 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 31, 2021, 1 a.m. 6.8 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 31, 2021, midnight 6.3 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
July 30, 2021, 11 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A N/A 7.0 μg/m3 (30) 51.0
 
July 30, 2021, 10 p.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (81) N/A N/A 9.0 μg/m3 (38) 81.0
 
July 30, 2021, 9 p.m. 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (84) N/A N/A 7.0 μg/m3 (30) 84.0
 
July 30, 2021, 8 p.m. 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (61) N/A N/A 4.0 μg/m3 (17) 61.0
 
July 30, 2021, 7 p.m. 7.3 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 57.0 ppb (58) N/A N/A 4.0 μg/m3 (17) 58.0
 
July 30, 2021, 6 p.m. 6.8 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) N/A N/A 9.0 μg/m3 (38) 42.0
 
July 30, 2021, 5 p.m. 8.6 ppb (9) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 30, 2021, 4 p.m. 8.4 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 30, 2021, 3 p.m. 12.2 ppb (12) 4.2 ppb (4) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 30, 2021, 2 p.m. 11.6 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 30, 2021, 1 p.m. 9.7 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 30, 2021, noon 9.8 ppb (10) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 10.0 ppb (10) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 30, 2021, 11 a.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
 
July 30, 2021, 10 a.m. 8.3 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 30, 2021, 9 a.m. 6.6 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 30, 2021, 8 a.m. 6.4 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 30, 2021, 7 a.m. 5.0 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 30, 2021, 6 a.m. 6.3 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
July 30, 2021, 5 a.m. 6.9 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 30, 2021, 4 a.m. 7.6 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 30, 2021, 3 a.m. 8.7 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 37.0 ppb (35) N/A N/A 7.0 μg/m3 (30) 35.0
 
July 30, 2021, 2 a.m. 5.8 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A N/A 8.0 μg/m3 (34) 42.0
 
July 30, 2021, 1 a.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
July 30, 2021, midnight 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A N/A 4.0 μg/m3 (17) 51.0
 
July 29, 2021, 11 p.m. 6.7 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
July 29, 2021, 10 p.m. 6.9 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (61) N/A N/A 5.0 μg/m3 (21) 61.0
 
July 29, 2021, 9 p.m. 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 65.0 ppb (84) N/A N/A 9.0 μg/m3 (38) 84.0
 
July 29, 2021, 8 p.m. 5.4 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 68.0 ppb (94) N/A N/A 10.0 μg/m3 (42) 94.0
 
July 29, 2021, 7 p.m. 5.2 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 61.0 ppb (71) N/A N/A 10.0 μg/m3 (42) 71.0
 
July 29, 2021, 6 p.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
July 29, 2021, 5 p.m. 6.6 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
July 29, 2021, 4 p.m. 8.1 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 29, 2021, 3 p.m. 10.3 ppb (10) 3.7 ppb (4) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 2 p.m. 9.9 ppb (10) 2.5 ppb (3) N/A 7.0 ppb (7) N/A N/A 11.0 ppb (11) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 1 p.m. 12.5 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 8.0 ppb (8) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 29, 2021, noon 11.8 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 8.0 ppb (8) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 29, 2021, 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
 
July 29, 2021, 10 a.m. 8.7 ppb (9) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 29, 2021, 9 a.m. 5.6 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 29, 2021, 8 a.m. 4.0 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 29, 2021, 7 a.m. 4.6 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 29, 2021, 6 a.m. 7.1 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 29, 2021, 5 a.m. 7.0 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 4 a.m. 6.3 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
July 29, 2021, 3 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
July 29, 2021, 2 a.m. 5.6 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) N/A N/A 7.0 μg/m3 (30) 43.0
 
July 29, 2021, 1 a.m. 6.9 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (47) N/A N/A 10.0 μg/m3 (42) 47.0
 
July 29, 2021, midnight 6.9 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) N/A N/A 7.0 μg/m3 (30) 55.0
 
July 28, 2021, 11 p.m. 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A N/A 7.0 μg/m3 (30) 68.0
 
July 28, 2021, 10 p.m. 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (97) N/A N/A 9.0 μg/m3 (38) 97.0
 
July 28, 2021, 9 p.m. 5.0 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 77.0 ppb (105) N/A N/A 10.0 μg/m3 (42) 105.0
 
July 28, 2021, 8 p.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (94) N/A N/A 11.0 μg/m3 (46) 94.0
 
July 28, 2021, 7 p.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (58) N/A N/A 9.0 μg/m3 (38) 58.0
 
July 28, 2021, 6 p.m. 6.4 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) N/A N/A 8.0 μg/m3 (34) 41.0
 
July 28, 2021, 5 p.m. 9.9 ppb (10) 2.8 ppb (3) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 4 p.m. 10.2 ppb (10) 3.3 ppb (4) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 28, 2021, 3 p.m. 13.3 ppb (13) 4.0 ppb (4) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 28, 2021, 2 p.m. 16.7 ppb (16) 5.2 ppb (5) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 28, 2021, 1 p.m. 28.7 ppb (28) 7.9 ppb (8) N/A 21.0 ppb (20) N/A N/A 2.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 28.0
 
July 28, 2021, noon 10.3 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 9.0 ppb (9) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 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
 
July 28, 2021, 10 a.m. 7.0 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 18.0 ppb (17) N/A N/A 3.0 μg/m3 (13) 17.0
 
July 28, 2021, 9 a.m. 7.1 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
July 28, 2021, 8 a.m. 7.2 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
July 28, 2021, 7 a.m. 7.9 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
July 28, 2021, 6 a.m. 5.8 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
July 28, 2021, 5 a.m. 7.3 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
July 28, 2021, 4 a.m. 6.6 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 3 a.m. 8.9 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 2 a.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
July 28, 2021, 1 a.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
July 28, 2021, midnight 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A N/A 2.0 μg/m3 (9) 58.0
 
July 27, 2021, 11 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A 4.0 μg/m3 (17) 61.0
 
July 27, 2021, 10 p.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A N/A 6.0 μg/m3 (25) 58.0
 
July 27, 2021, 9 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 5.0 μg/m3 (21) 51.0
 
July 27, 2021, 8 p.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 5.0 μg/m3 (21) 58.0
 
July 27, 2021, 7 p.m. 4.6 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A N/A 6.0 μg/m3 (25) 47.0
 
July 27, 2021, 6 p.m. 10.0 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
July 27, 2021, 5 p.m. 10.2 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
July 27, 2021, 4 p.m. 14.4 ppb (14) 5.1 ppb (5) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 27, 2021, 3 p.m. 21.1 ppb (20) 6.2 ppb (6) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 27, 2021, 2 p.m. 22.3 ppb (22) 4.4 ppb (5) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 22.0
 
July 27, 2021, 1 p.m. 21.5 ppb (21) 3.4 ppb (4) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 27, 2021, noon 8.8 ppb (9) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 13.0 ppb (13) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 27, 2021, 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
 
July 27, 2021, 10 a.m. 8.2 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 9 a.m. 6.0 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 27, 2021, 8 a.m. 5.2 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 27, 2021, 7 a.m. 6.5 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (17) N/A N/A 2.0 μg/m3 (9) 17.0
 
July 27, 2021, 6 a.m. 5.5 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
July 27, 2021, 5 a.m. 5.1 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 27, 2021, 4 a.m. 4.1 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0