ID: 1218

AQSQID: 060850005

Site Name: San Jose - Jackson St.

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

Updated: April 10, 2021, 11:42 a.m.

Location: San Jose (Downtown), CA

Reporting: True, Located: True

Current AQI: 34.0

San Jose (Downtown) CA, US: 37.3483, -121.8947

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 8 a.m. 5.0 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.19 ppb (3) N/A 2.0 μg/m3 (9) 34.0
 
April 10, 2021, 7 a.m. 4.6 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.18 ppb (3) N/A 5.0 μg/m3 (21) 35.0
 
April 10, 2021, 6 a.m. 4.8 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 36.0
 
April 10, 2021, 5 a.m. 4.5 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.19 ppb (3) N/A 2.0 μg/m3 (9) 36.0
 
April 10, 2021, 4 a.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 37.0
 
April 10, 2021, 3 a.m. 4.3 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 37.0
 
April 10, 2021, 2 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.19 ppb (3) N/A 8.0 μg/m3 (34) 38.0
 
April 10, 2021, 1 a.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 8.0 μg/m3 (34) 38.0
 
April 10, 2021, midnight 3.6 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.19 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 9, 2021, 11 p.m. 3.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.18 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 9, 2021, 10 p.m. 3.6 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 9.0 μg/m3 (38) 39.0
 
April 9, 2021, 9 p.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.18 ppb (3) N/A 9.0 μg/m3 (38) 40.0
 
April 9, 2021, 8 p.m. 4.5 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.19 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
April 9, 2021, 7 p.m. 6.5 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.21 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 9, 2021, 6 p.m. 11.8 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) 0.25 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 9, 2021, 5 p.m. 14.4 ppb (14) 4.1 ppb (4) N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.27 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
April 9, 2021, 4 p.m. 11.2 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 9, 2021, 3 p.m. 10.9 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 30.0
 
April 9, 2021, 2 p.m. 13.0 ppb (13) 1.4 ppb (2) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
April 9, 2021, 1 p.m. 19.5 ppb (19) 0.9 ppb (1) N/A 19.0 ppb (18) N/A N/A 18.0 ppb (17) 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
April 9, 2021, noon 24.0 ppb (23) 2.8 ppb (3) N/A 21.0 ppb (20) N/A N/A 6.0 ppb (6) 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
April 9, 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
 
April 9, 2021, 10 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
 
April 9, 2021, 9 a.m. 17.7 ppb (17) 0.8 ppb (1) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 8 a.m. 19.6 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (14) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 7 a.m. 10.5 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
April 9, 2021, 6 a.m. 8.0 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.21 ppb (3) N/A 7.0 μg/m3 (30) 31.0
 
April 9, 2021, 5 a.m. 6.4 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) 0.21 ppb (3) N/A 7.0 μg/m3 (30) 35.0
 
April 9, 2021, 4 a.m. 6.5 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) 0.22 ppb (3) N/A 6.0 μg/m3 (25) 35.0
 
April 9, 2021, 3 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 37.0
 
April 9, 2021, 2 a.m. 5.2 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 38.0
 
April 9, 2021, 1 a.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 37.0
 
April 9, 2021, midnight 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.18 ppb (3) N/A 5.0 μg/m3 (21) 37.0
 
April 8, 2021, 11 p.m. 3.5 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.18 ppb (3) N/A 5.0 μg/m3 (21) 38.0
 
April 8, 2021, 10 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.18 ppb (3) N/A 8.0 μg/m3 (34) 39.0
 
April 8, 2021, 9 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 40.0
 
April 8, 2021, 8 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 8.0 μg/m3 (34) 38.0
 
April 8, 2021, 7 p.m. 6.2 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 8, 2021, 6 p.m. 6.2 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 34.0
 
April 8, 2021, 5 p.m. 6.2 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.19 ppb (3) N/A 22.0 μg/m3 (72) 72.0
 
April 8, 2021, 4 p.m. 5.9 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.19 ppb (3) N/A N/A 32.0
 
April 8, 2021, 3 p.m. 17.8 ppb (17) 4.3 ppb (5) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.31 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2021, 2 p.m. 26.7 ppb (26) 4.8 ppb (5) N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
April 8, 2021, 1 p.m. 27.6 ppb (27) 3.3 ppb (4) N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) 0.41 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
April 8, 2021, noon 24.6 ppb (24) 3.4 ppb (4) N/A 21.0 ppb (20) N/A N/A 4.0 ppb (4) 0.31 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
April 8, 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
 
April 8, 2021, 10 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
 
April 8, 2021, 9 a.m. 6.1 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 28.0
 
April 8, 2021, 8 a.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.17 ppb (3) N/A 1.0 μg/m3 (5) 33.0
 
April 8, 2021, 7 a.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 1.0 μg/m3 (5) 35.0
 
April 8, 2021, 6 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 37.0
 
April 8, 2021, 5 a.m. 3.8 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 36.0
 
April 8, 2021, 4 a.m. 3.9 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 37.0
 
April 8, 2021, 3 a.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 38.0
 
April 8, 2021, 2 a.m. 4.8 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.16 ppb (3) N/A 9.0 μg/m3 (38) 40.0
 
April 8, 2021, 1 a.m. 4.3 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2021, midnight 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) 0.18 ppb (3) N/A 9.0 μg/m3 (38) 42.0
 
April 7, 2021, 11 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 41.0
 
April 7, 2021, 10 p.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 41.0
 
April 7, 2021, 9 p.m. 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 8 p.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.19 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2021, 7 p.m. 5.8 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 43.0
 
April 7, 2021, 6 p.m. 6.0 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 41.0
 
April 7, 2021, 5 p.m. 7.1 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.21 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 4 p.m. 6.3 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 36.0
 
April 7, 2021, 3 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 36.0
 
April 7, 2021, 2 p.m. 4.8 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 1 p.m. 3.9 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 36.0
 
April 7, 2021, noon 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.16 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
April 7, 2021, 10 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
 
April 7, 2021, 9 a.m. 4.4 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 35.0
 
April 7, 2021, 8 a.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 38.0
 
April 7, 2021, 7 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.16 ppb (3) N/A 6.0 μg/m3 (25) 40.0
 
April 7, 2021, 6 a.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 38.0
 
April 7, 2021, 5 a.m. 4.2 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.18 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 4 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 3 a.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 2 a.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.2 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2021, 1 a.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.19 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
April 7, 2021, midnight 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
April 6, 2021, 11 p.m. 4.7 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.2 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
April 6, 2021, 10 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.21 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 9 p.m. 6.2 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.22 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 6, 2021, 8 p.m. 7.3 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) 0.21 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 7 p.m. 9.2 ppb (9) 2.2 ppb (3) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) 0.23 ppb (3) N/A 19.0 μg/m3 (66) 66.0
 
April 6, 2021, 6 p.m. 10.9 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 5 p.m. 10.0 ppb (10) 2.5 ppb (3) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 4 p.m. 8.2 ppb (8) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.21 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 3 p.m. 8.3 ppb (8) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 2 p.m. 7.0 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
April 6, 2021, 1 p.m. 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
April 6, 2021, noon 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 29.0
 
April 6, 2021, 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 (13) 13.0
 
April 6, 2021, 10 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
 
April 6, 2021, 9 a.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 30.0
 
April 6, 2021, 8 a.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.16 ppb (3) N/A 7.0 μg/m3 (30) 31.0
 
April 6, 2021, 7 a.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.16 ppb (3) N/A 7.0 μg/m3 (30) 31.0
 
April 6, 2021, 6 a.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 31.0
 
April 6, 2021, 5 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
April 6, 2021, 4 a.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.18 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
April 6, 2021, 3 a.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.18 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
April 6, 2021, 2 a.m. 3.3 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 32.0
 
April 6, 2021, 1 a.m. 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
April 6, 2021, midnight 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 34.0
 
April 5, 2021, 11 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 36.0
 
April 5, 2021, 10 p.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 37.0
 
April 5, 2021, 9 p.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 38.0
 
April 5, 2021, 8 p.m. 4.6 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.18 ppb (3) N/A 5.0 μg/m3 (21) 38.0
 
April 5, 2021, 7 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 38.0
 
April 5, 2021, 6 p.m. 5.1 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 36.0
 
April 5, 2021, 5 p.m. 4.3 ppb (5) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 35.0
 
April 5, 2021, 4 p.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 35.0
 
April 5, 2021, 3 p.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.18 ppb (3) N/A 6.0 μg/m3 (25) 35.0
 
April 5, 2021, 2 p.m. 7.0 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.19 ppb (3) N/A 4.0 μg/m3 (17) 33.0
 
April 5, 2021, 1 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 35.0
 
April 5, 2021, noon 4.1 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 32.0
 
April 5, 2021, 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 (5) 5.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 0.0
April 5, 2021, 9 a.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 35.0
 
April 5, 2021, 8 a.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 37.0
 
April 5, 2021, 7 a.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 37.0
 
April 5, 2021, 6 a.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 34.0
 
April 5, 2021, 5 a.m. 3.0 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.16 ppb (3) N/A -1.0 μg/m3 (0) 35.0
 
April 5, 2021, 4 a.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 34.0
 
April 5, 2021, 3 a.m. 2.9 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 35.0
 
April 5, 2021, 2 a.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 35.0
 
April 5, 2021, 1 a.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 36.0
 
April 5, 2021, midnight 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 37.0
 
April 4, 2021, 11 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 38.0
 
April 4, 2021, 10 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 40.0
 
April 4, 2021, 9 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 41.0
 
April 4, 2021, 8 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 42.0
 
April 4, 2021, 7 p.m. 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 41.0
 
April 4, 2021, 6 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 39.0
 
April 4, 2021, 5 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 38.0
 
April 4, 2021, 4 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 38.0
 
April 4, 2021, 3 p.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 38.0
 
April 4, 2021, 2 p.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 39.0
 
April 4, 2021, 1 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 41.0
 
April 4, 2021, noon 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 41.0
 
April 4, 2021, 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 (13) 13.0
 
April 4, 2021, 10 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
 
April 4, 2021, 9 a.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 41.0
 
April 4, 2021, 8 a.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 39.0
 
April 4, 2021, 7 a.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 5.0 μg/m3 (21) 39.0
 
April 4, 2021, 6 a.m. 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 37.0
 
April 4, 2021, 5 a.m. 4.2 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 37.0
 
April 4, 2021, 4 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 38.0
 
April 4, 2021, 3 a.m. 3.4 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 38.0
 
April 4, 2021, 2 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.19 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 4, 2021, 1 a.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.19 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
April 4, 2021, midnight 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.18 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 3, 2021, 11 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.18 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 3, 2021, 10 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.19 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 3, 2021, 9 p.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.21 ppb (3) N/A 10.0 μg/m3 (42) 43.0
 
April 3, 2021, 8 p.m. 6.4 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.25 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
April 3, 2021, 7 p.m. 5.5 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 3, 2021, 6 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
April 3, 2021, 5 p.m. 5.2 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
April 3, 2021, 4 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2021, 3 p.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2021, 2 p.m. 4.8 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2021, 1 p.m. 4.6 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.21 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
April 3, 2021, noon 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.18 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
April 3, 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
 
April 3, 2021, 10 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
 
April 3, 2021, 9 a.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 38.0